mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 17:56:42 +07:00
be754b101f
This reverts 'commit3708d5e082
("drm/i915: start adding dp mst audio")' because it breaks MST multi-monitor setups on some platforms. Fixes:3708d5e082
("drm/i915: start adding dp mst audio") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97907 Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reported-by: Kim Lidström <kim@dxtr.im> Cc: Libin Yang <libin.yang@linux.intel.com> Cc: Lyude <cpaul@redhat.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1475132104-2754-1-git-send-email-dhinakaran.pandiyan@intel.com
5542 lines
148 KiB
C
5542 lines
148 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Keith Packard <keithp@keithp.com>
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*
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*/
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#include <linux/seq_file.h>
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#include <linux/circ_buf.h>
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#include <linux/ctype.h>
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#include <linux/debugfs.h>
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#include <linux/slab.h>
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#include <linux/export.h>
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#include <linux/list_sort.h>
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#include <asm/msr-index.h>
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#include <drm/drmP.h>
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#include "intel_drv.h"
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#include "intel_ringbuffer.h"
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#include <drm/i915_drm.h>
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#include "i915_drv.h"
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static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
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{
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return to_i915(node->minor->dev);
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}
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/* As the drm_debugfs_init() routines are called before dev->dev_private is
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* allocated we need to hook into the minor for release. */
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static int
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drm_add_fake_info_node(struct drm_minor *minor,
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struct dentry *ent,
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const void *key)
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{
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struct drm_info_node *node;
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node = kmalloc(sizeof(*node), GFP_KERNEL);
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if (node == NULL) {
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debugfs_remove(ent);
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return -ENOMEM;
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}
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node->minor = minor;
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node->dent = ent;
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node->info_ent = (void *)key;
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mutex_lock(&minor->debugfs_lock);
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list_add(&node->list, &minor->debugfs_list);
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mutex_unlock(&minor->debugfs_lock);
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return 0;
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}
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static int i915_capabilities(struct seq_file *m, void *data)
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{
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struct drm_i915_private *dev_priv = node_to_i915(m->private);
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const struct intel_device_info *info = INTEL_INFO(dev_priv);
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seq_printf(m, "gen: %d\n", INTEL_GEN(dev_priv));
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seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev_priv));
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#define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
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#define SEP_SEMICOLON ;
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DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_SEMICOLON);
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#undef PRINT_FLAG
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#undef SEP_SEMICOLON
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return 0;
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}
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static char get_active_flag(struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_is_active(obj) ? '*' : ' ';
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}
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static char get_pin_flag(struct drm_i915_gem_object *obj)
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{
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return obj->pin_display ? 'p' : ' ';
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}
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static char get_tiling_flag(struct drm_i915_gem_object *obj)
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{
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switch (i915_gem_object_get_tiling(obj)) {
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default:
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case I915_TILING_NONE: return ' ';
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case I915_TILING_X: return 'X';
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case I915_TILING_Y: return 'Y';
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}
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}
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static char get_global_flag(struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_to_ggtt(obj, NULL) ? 'g' : ' ';
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}
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static char get_pin_mapped_flag(struct drm_i915_gem_object *obj)
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{
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return obj->mapping ? 'M' : ' ';
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}
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static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj)
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{
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u64 size = 0;
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struct i915_vma *vma;
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list_for_each_entry(vma, &obj->vma_list, obj_link) {
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if (i915_vma_is_ggtt(vma) && drm_mm_node_allocated(&vma->node))
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size += vma->node.size;
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}
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return size;
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}
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static void
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describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
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{
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struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
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struct intel_engine_cs *engine;
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struct i915_vma *vma;
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unsigned int frontbuffer_bits;
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int pin_count = 0;
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enum intel_engine_id id;
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lockdep_assert_held(&obj->base.dev->struct_mutex);
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seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x [ ",
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&obj->base,
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get_active_flag(obj),
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get_pin_flag(obj),
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get_tiling_flag(obj),
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get_global_flag(obj),
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get_pin_mapped_flag(obj),
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obj->base.size / 1024,
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obj->base.read_domains,
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obj->base.write_domain);
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for_each_engine_id(engine, dev_priv, id)
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seq_printf(m, "%x ",
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i915_gem_active_get_seqno(&obj->last_read[id],
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&obj->base.dev->struct_mutex));
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seq_printf(m, "] %x %s%s%s",
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i915_gem_active_get_seqno(&obj->last_write,
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&obj->base.dev->struct_mutex),
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i915_cache_level_str(dev_priv, obj->cache_level),
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obj->dirty ? " dirty" : "",
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obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
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if (obj->base.name)
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seq_printf(m, " (name: %d)", obj->base.name);
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list_for_each_entry(vma, &obj->vma_list, obj_link) {
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if (i915_vma_is_pinned(vma))
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pin_count++;
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}
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seq_printf(m, " (pinned x %d)", pin_count);
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if (obj->pin_display)
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seq_printf(m, " (display)");
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list_for_each_entry(vma, &obj->vma_list, obj_link) {
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if (!drm_mm_node_allocated(&vma->node))
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continue;
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seq_printf(m, " (%sgtt offset: %08llx, size: %08llx",
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i915_vma_is_ggtt(vma) ? "g" : "pp",
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vma->node.start, vma->node.size);
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if (i915_vma_is_ggtt(vma))
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seq_printf(m, ", type: %u", vma->ggtt_view.type);
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if (vma->fence)
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seq_printf(m, " , fence: %d%s",
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vma->fence->id,
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i915_gem_active_isset(&vma->last_fence) ? "*" : "");
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seq_puts(m, ")");
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}
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if (obj->stolen)
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seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
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if (obj->pin_display || obj->fault_mappable) {
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char s[3], *t = s;
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if (obj->pin_display)
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*t++ = 'p';
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if (obj->fault_mappable)
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*t++ = 'f';
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*t = '\0';
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seq_printf(m, " (%s mappable)", s);
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}
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engine = i915_gem_active_get_engine(&obj->last_write,
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&dev_priv->drm.struct_mutex);
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if (engine)
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seq_printf(m, " (%s)", engine->name);
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frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
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if (frontbuffer_bits)
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seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits);
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}
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static int obj_rank_by_stolen(void *priv,
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struct list_head *A, struct list_head *B)
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{
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struct drm_i915_gem_object *a =
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container_of(A, struct drm_i915_gem_object, obj_exec_link);
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struct drm_i915_gem_object *b =
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container_of(B, struct drm_i915_gem_object, obj_exec_link);
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if (a->stolen->start < b->stolen->start)
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return -1;
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if (a->stolen->start > b->stolen->start)
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return 1;
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return 0;
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}
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static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
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{
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struct drm_i915_private *dev_priv = node_to_i915(m->private);
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struct drm_device *dev = &dev_priv->drm;
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struct drm_i915_gem_object *obj;
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u64 total_obj_size, total_gtt_size;
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LIST_HEAD(stolen);
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int count, ret;
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ret = mutex_lock_interruptible(&dev->struct_mutex);
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if (ret)
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return ret;
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total_obj_size = total_gtt_size = count = 0;
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list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
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if (obj->stolen == NULL)
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continue;
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list_add(&obj->obj_exec_link, &stolen);
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total_obj_size += obj->base.size;
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total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
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count++;
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}
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list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
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if (obj->stolen == NULL)
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continue;
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list_add(&obj->obj_exec_link, &stolen);
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total_obj_size += obj->base.size;
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count++;
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}
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list_sort(NULL, &stolen, obj_rank_by_stolen);
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seq_puts(m, "Stolen:\n");
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while (!list_empty(&stolen)) {
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obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link);
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seq_puts(m, " ");
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describe_obj(m, obj);
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seq_putc(m, '\n');
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list_del_init(&obj->obj_exec_link);
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}
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mutex_unlock(&dev->struct_mutex);
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seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
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count, total_obj_size, total_gtt_size);
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return 0;
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}
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struct file_stats {
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struct drm_i915_file_private *file_priv;
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unsigned long count;
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u64 total, unbound;
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u64 global, shared;
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u64 active, inactive;
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};
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static int per_file_stats(int id, void *ptr, void *data)
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{
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struct drm_i915_gem_object *obj = ptr;
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struct file_stats *stats = data;
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struct i915_vma *vma;
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stats->count++;
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stats->total += obj->base.size;
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if (!obj->bind_count)
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stats->unbound += obj->base.size;
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if (obj->base.name || obj->base.dma_buf)
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stats->shared += obj->base.size;
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list_for_each_entry(vma, &obj->vma_list, obj_link) {
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if (!drm_mm_node_allocated(&vma->node))
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continue;
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if (i915_vma_is_ggtt(vma)) {
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stats->global += vma->node.size;
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} else {
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struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm);
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if (ppgtt->base.file != stats->file_priv)
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continue;
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}
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if (i915_vma_is_active(vma))
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stats->active += vma->node.size;
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else
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stats->inactive += vma->node.size;
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}
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return 0;
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}
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#define print_file_stats(m, name, stats) do { \
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if (stats.count) \
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seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \
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name, \
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stats.count, \
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stats.total, \
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stats.active, \
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stats.inactive, \
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stats.global, \
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stats.shared, \
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stats.unbound); \
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} while (0)
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static void print_batch_pool_stats(struct seq_file *m,
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struct drm_i915_private *dev_priv)
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{
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struct drm_i915_gem_object *obj;
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struct file_stats stats;
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struct intel_engine_cs *engine;
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int j;
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memset(&stats, 0, sizeof(stats));
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for_each_engine(engine, dev_priv) {
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for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
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list_for_each_entry(obj,
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&engine->batch_pool.cache_list[j],
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batch_pool_link)
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per_file_stats(0, obj, &stats);
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}
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}
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print_file_stats(m, "[k]batch pool", stats);
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}
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static int per_file_ctx_stats(int id, void *ptr, void *data)
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{
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struct i915_gem_context *ctx = ptr;
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int n;
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for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
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if (ctx->engine[n].state)
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per_file_stats(0, ctx->engine[n].state->obj, data);
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if (ctx->engine[n].ring)
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per_file_stats(0, ctx->engine[n].ring->vma->obj, data);
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}
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return 0;
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}
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static void print_context_stats(struct seq_file *m,
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struct drm_i915_private *dev_priv)
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{
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struct drm_device *dev = &dev_priv->drm;
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struct file_stats stats;
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struct drm_file *file;
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memset(&stats, 0, sizeof(stats));
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mutex_lock(&dev->struct_mutex);
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if (dev_priv->kernel_context)
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per_file_ctx_stats(0, dev_priv->kernel_context, &stats);
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list_for_each_entry(file, &dev->filelist, lhead) {
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struct drm_i915_file_private *fpriv = file->driver_priv;
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idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats);
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}
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mutex_unlock(&dev->struct_mutex);
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print_file_stats(m, "[k]contexts", stats);
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}
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static int i915_gem_object_info(struct seq_file *m, void *data)
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{
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struct drm_i915_private *dev_priv = node_to_i915(m->private);
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struct drm_device *dev = &dev_priv->drm;
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struct i915_ggtt *ggtt = &dev_priv->ggtt;
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u32 count, mapped_count, purgeable_count, dpy_count;
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u64 size, mapped_size, purgeable_size, dpy_size;
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struct drm_i915_gem_object *obj;
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struct drm_file *file;
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int ret;
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ret = mutex_lock_interruptible(&dev->struct_mutex);
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if (ret)
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return ret;
|
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seq_printf(m, "%u objects, %zu bytes\n",
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dev_priv->mm.object_count,
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dev_priv->mm.object_memory);
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size = count = 0;
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mapped_size = mapped_count = 0;
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purgeable_size = purgeable_count = 0;
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list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
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size += obj->base.size;
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++count;
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if (obj->madv == I915_MADV_DONTNEED) {
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purgeable_size += obj->base.size;
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++purgeable_count;
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}
|
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|
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if (obj->mapping) {
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mapped_count++;
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mapped_size += obj->base.size;
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}
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}
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seq_printf(m, "%u unbound objects, %llu bytes\n", count, size);
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|
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size = count = dpy_size = dpy_count = 0;
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list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
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size += obj->base.size;
|
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++count;
|
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|
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if (obj->pin_display) {
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dpy_size += obj->base.size;
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++dpy_count;
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}
|
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|
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if (obj->madv == I915_MADV_DONTNEED) {
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purgeable_size += obj->base.size;
|
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++purgeable_count;
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}
|
|
|
|
if (obj->mapping) {
|
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mapped_count++;
|
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mapped_size += obj->base.size;
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}
|
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}
|
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seq_printf(m, "%u bound objects, %llu bytes\n",
|
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count, size);
|
|
seq_printf(m, "%u purgeable objects, %llu bytes\n",
|
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purgeable_count, purgeable_size);
|
|
seq_printf(m, "%u mapped objects, %llu bytes\n",
|
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mapped_count, mapped_size);
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seq_printf(m, "%u display objects (pinned), %llu bytes\n",
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dpy_count, dpy_size);
|
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seq_printf(m, "%llu [%llu] gtt total\n",
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ggtt->base.total, ggtt->mappable_end - ggtt->base.start);
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seq_putc(m, '\n');
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print_batch_pool_stats(m, dev_priv);
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mutex_unlock(&dev->struct_mutex);
|
|
|
|
mutex_lock(&dev->filelist_mutex);
|
|
print_context_stats(m, dev_priv);
|
|
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
|
|
struct file_stats stats;
|
|
struct drm_i915_file_private *file_priv = file->driver_priv;
|
|
struct drm_i915_gem_request *request;
|
|
struct task_struct *task;
|
|
|
|
memset(&stats, 0, sizeof(stats));
|
|
stats.file_priv = file->driver_priv;
|
|
spin_lock(&file->table_lock);
|
|
idr_for_each(&file->object_idr, per_file_stats, &stats);
|
|
spin_unlock(&file->table_lock);
|
|
/*
|
|
* Although we have a valid reference on file->pid, that does
|
|
* not guarantee that the task_struct who called get_pid() is
|
|
* still alive (e.g. get_pid(current) => fork() => exit()).
|
|
* Therefore, we need to protect this ->comm access using RCU.
|
|
*/
|
|
mutex_lock(&dev->struct_mutex);
|
|
request = list_first_entry_or_null(&file_priv->mm.request_list,
|
|
struct drm_i915_gem_request,
|
|
client_list);
|
|
rcu_read_lock();
|
|
task = pid_task(request && request->ctx->pid ?
|
|
request->ctx->pid : file->pid,
|
|
PIDTYPE_PID);
|
|
print_file_stats(m, task ? task->comm : "<unknown>", stats);
|
|
rcu_read_unlock();
|
|
mutex_unlock(&dev->struct_mutex);
|
|
}
|
|
mutex_unlock(&dev->filelist_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_gtt_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = m->private;
|
|
struct drm_i915_private *dev_priv = node_to_i915(node);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
bool show_pin_display_only = !!node->info_ent->data;
|
|
struct drm_i915_gem_object *obj;
|
|
u64 total_obj_size, total_gtt_size;
|
|
int count, ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
total_obj_size = total_gtt_size = count = 0;
|
|
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
|
|
if (show_pin_display_only && !obj->pin_display)
|
|
continue;
|
|
|
|
seq_puts(m, " ");
|
|
describe_obj(m, obj);
|
|
seq_putc(m, '\n');
|
|
total_obj_size += obj->base.size;
|
|
total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
|
|
count++;
|
|
}
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
|
|
count, total_obj_size, total_gtt_size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_pageflip_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_crtc *crtc;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for_each_intel_crtc(dev, crtc) {
|
|
const char pipe = pipe_name(crtc->pipe);
|
|
const char plane = plane_name(crtc->plane);
|
|
struct intel_flip_work *work;
|
|
|
|
spin_lock_irq(&dev->event_lock);
|
|
work = crtc->flip_work;
|
|
if (work == NULL) {
|
|
seq_printf(m, "No flip due on pipe %c (plane %c)\n",
|
|
pipe, plane);
|
|
} else {
|
|
u32 pending;
|
|
u32 addr;
|
|
|
|
pending = atomic_read(&work->pending);
|
|
if (pending) {
|
|
seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n",
|
|
pipe, plane);
|
|
} else {
|
|
seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
|
|
pipe, plane);
|
|
}
|
|
if (work->flip_queued_req) {
|
|
struct intel_engine_cs *engine = i915_gem_request_get_engine(work->flip_queued_req);
|
|
|
|
seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n",
|
|
engine->name,
|
|
i915_gem_request_get_seqno(work->flip_queued_req),
|
|
dev_priv->next_seqno,
|
|
intel_engine_get_seqno(engine),
|
|
i915_gem_request_completed(work->flip_queued_req));
|
|
} else
|
|
seq_printf(m, "Flip not associated with any ring\n");
|
|
seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n",
|
|
work->flip_queued_vblank,
|
|
work->flip_ready_vblank,
|
|
intel_crtc_get_vblank_counter(crtc));
|
|
seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
|
|
|
|
if (INTEL_GEN(dev_priv) >= 4)
|
|
addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane)));
|
|
else
|
|
addr = I915_READ(DSPADDR(crtc->plane));
|
|
seq_printf(m, "Current scanout address 0x%08x\n", addr);
|
|
|
|
if (work->pending_flip_obj) {
|
|
seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset);
|
|
seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset);
|
|
}
|
|
}
|
|
spin_unlock_irq(&dev->event_lock);
|
|
}
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct drm_i915_gem_object *obj;
|
|
struct intel_engine_cs *engine;
|
|
int total = 0;
|
|
int ret, j;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for_each_engine(engine, dev_priv) {
|
|
for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
|
|
int count;
|
|
|
|
count = 0;
|
|
list_for_each_entry(obj,
|
|
&engine->batch_pool.cache_list[j],
|
|
batch_pool_link)
|
|
count++;
|
|
seq_printf(m, "%s cache[%d]: %d objects\n",
|
|
engine->name, j, count);
|
|
|
|
list_for_each_entry(obj,
|
|
&engine->batch_pool.cache_list[j],
|
|
batch_pool_link) {
|
|
seq_puts(m, " ");
|
|
describe_obj(m, obj);
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
total += count;
|
|
}
|
|
}
|
|
|
|
seq_printf(m, "total: %d\n", total);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_request_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_engine_cs *engine;
|
|
struct drm_i915_gem_request *req;
|
|
int ret, any;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
any = 0;
|
|
for_each_engine(engine, dev_priv) {
|
|
int count;
|
|
|
|
count = 0;
|
|
list_for_each_entry(req, &engine->request_list, link)
|
|
count++;
|
|
if (count == 0)
|
|
continue;
|
|
|
|
seq_printf(m, "%s requests: %d\n", engine->name, count);
|
|
list_for_each_entry(req, &engine->request_list, link) {
|
|
struct pid *pid = req->ctx->pid;
|
|
struct task_struct *task;
|
|
|
|
rcu_read_lock();
|
|
task = pid ? pid_task(pid, PIDTYPE_PID) : NULL;
|
|
seq_printf(m, " %x @ %d: %s [%d]\n",
|
|
req->fence.seqno,
|
|
(int) (jiffies - req->emitted_jiffies),
|
|
task ? task->comm : "<unknown>",
|
|
task ? task->pid : -1);
|
|
rcu_read_unlock();
|
|
}
|
|
|
|
any++;
|
|
}
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
if (any == 0)
|
|
seq_puts(m, "No requests\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void i915_ring_seqno_info(struct seq_file *m,
|
|
struct intel_engine_cs *engine)
|
|
{
|
|
struct intel_breadcrumbs *b = &engine->breadcrumbs;
|
|
struct rb_node *rb;
|
|
|
|
seq_printf(m, "Current sequence (%s): %x\n",
|
|
engine->name, intel_engine_get_seqno(engine));
|
|
|
|
spin_lock(&b->lock);
|
|
for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
|
|
struct intel_wait *w = container_of(rb, typeof(*w), node);
|
|
|
|
seq_printf(m, "Waiting (%s): %s [%d] on %x\n",
|
|
engine->name, w->tsk->comm, w->tsk->pid, w->seqno);
|
|
}
|
|
spin_unlock(&b->lock);
|
|
}
|
|
|
|
static int i915_gem_seqno_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_engine_cs *engine;
|
|
|
|
for_each_engine(engine, dev_priv)
|
|
i915_ring_seqno_info(m, engine);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int i915_interrupt_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_engine_cs *engine;
|
|
int i, pipe;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (IS_CHERRYVIEW(dev_priv)) {
|
|
seq_printf(m, "Master Interrupt Control:\t%08x\n",
|
|
I915_READ(GEN8_MASTER_IRQ));
|
|
|
|
seq_printf(m, "Display IER:\t%08x\n",
|
|
I915_READ(VLV_IER));
|
|
seq_printf(m, "Display IIR:\t%08x\n",
|
|
I915_READ(VLV_IIR));
|
|
seq_printf(m, "Display IIR_RW:\t%08x\n",
|
|
I915_READ(VLV_IIR_RW));
|
|
seq_printf(m, "Display IMR:\t%08x\n",
|
|
I915_READ(VLV_IMR));
|
|
for_each_pipe(dev_priv, pipe)
|
|
seq_printf(m, "Pipe %c stat:\t%08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(PIPESTAT(pipe)));
|
|
|
|
seq_printf(m, "Port hotplug:\t%08x\n",
|
|
I915_READ(PORT_HOTPLUG_EN));
|
|
seq_printf(m, "DPFLIPSTAT:\t%08x\n",
|
|
I915_READ(VLV_DPFLIPSTAT));
|
|
seq_printf(m, "DPINVGTT:\t%08x\n",
|
|
I915_READ(DPINVGTT));
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IMR(i)));
|
|
seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IIR(i)));
|
|
seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IER(i)));
|
|
}
|
|
|
|
seq_printf(m, "PCU interrupt mask:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IMR));
|
|
seq_printf(m, "PCU interrupt identity:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IIR));
|
|
seq_printf(m, "PCU interrupt enable:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IER));
|
|
} else if (INTEL_GEN(dev_priv) >= 8) {
|
|
seq_printf(m, "Master Interrupt Control:\t%08x\n",
|
|
I915_READ(GEN8_MASTER_IRQ));
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IMR(i)));
|
|
seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IIR(i)));
|
|
seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
|
|
i, I915_READ(GEN8_GT_IER(i)));
|
|
}
|
|
|
|
for_each_pipe(dev_priv, pipe) {
|
|
enum intel_display_power_domain power_domain;
|
|
|
|
power_domain = POWER_DOMAIN_PIPE(pipe);
|
|
if (!intel_display_power_get_if_enabled(dev_priv,
|
|
power_domain)) {
|
|
seq_printf(m, "Pipe %c power disabled\n",
|
|
pipe_name(pipe));
|
|
continue;
|
|
}
|
|
seq_printf(m, "Pipe %c IMR:\t%08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(GEN8_DE_PIPE_IMR(pipe)));
|
|
seq_printf(m, "Pipe %c IIR:\t%08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(GEN8_DE_PIPE_IIR(pipe)));
|
|
seq_printf(m, "Pipe %c IER:\t%08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(GEN8_DE_PIPE_IER(pipe)));
|
|
|
|
intel_display_power_put(dev_priv, power_domain);
|
|
}
|
|
|
|
seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
|
|
I915_READ(GEN8_DE_PORT_IMR));
|
|
seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
|
|
I915_READ(GEN8_DE_PORT_IIR));
|
|
seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
|
|
I915_READ(GEN8_DE_PORT_IER));
|
|
|
|
seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
|
|
I915_READ(GEN8_DE_MISC_IMR));
|
|
seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
|
|
I915_READ(GEN8_DE_MISC_IIR));
|
|
seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
|
|
I915_READ(GEN8_DE_MISC_IER));
|
|
|
|
seq_printf(m, "PCU interrupt mask:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IMR));
|
|
seq_printf(m, "PCU interrupt identity:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IIR));
|
|
seq_printf(m, "PCU interrupt enable:\t%08x\n",
|
|
I915_READ(GEN8_PCU_IER));
|
|
} else if (IS_VALLEYVIEW(dev_priv)) {
|
|
seq_printf(m, "Display IER:\t%08x\n",
|
|
I915_READ(VLV_IER));
|
|
seq_printf(m, "Display IIR:\t%08x\n",
|
|
I915_READ(VLV_IIR));
|
|
seq_printf(m, "Display IIR_RW:\t%08x\n",
|
|
I915_READ(VLV_IIR_RW));
|
|
seq_printf(m, "Display IMR:\t%08x\n",
|
|
I915_READ(VLV_IMR));
|
|
for_each_pipe(dev_priv, pipe)
|
|
seq_printf(m, "Pipe %c stat:\t%08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(PIPESTAT(pipe)));
|
|
|
|
seq_printf(m, "Master IER:\t%08x\n",
|
|
I915_READ(VLV_MASTER_IER));
|
|
|
|
seq_printf(m, "Render IER:\t%08x\n",
|
|
I915_READ(GTIER));
|
|
seq_printf(m, "Render IIR:\t%08x\n",
|
|
I915_READ(GTIIR));
|
|
seq_printf(m, "Render IMR:\t%08x\n",
|
|
I915_READ(GTIMR));
|
|
|
|
seq_printf(m, "PM IER:\t\t%08x\n",
|
|
I915_READ(GEN6_PMIER));
|
|
seq_printf(m, "PM IIR:\t\t%08x\n",
|
|
I915_READ(GEN6_PMIIR));
|
|
seq_printf(m, "PM IMR:\t\t%08x\n",
|
|
I915_READ(GEN6_PMIMR));
|
|
|
|
seq_printf(m, "Port hotplug:\t%08x\n",
|
|
I915_READ(PORT_HOTPLUG_EN));
|
|
seq_printf(m, "DPFLIPSTAT:\t%08x\n",
|
|
I915_READ(VLV_DPFLIPSTAT));
|
|
seq_printf(m, "DPINVGTT:\t%08x\n",
|
|
I915_READ(DPINVGTT));
|
|
|
|
} else if (!HAS_PCH_SPLIT(dev_priv)) {
|
|
seq_printf(m, "Interrupt enable: %08x\n",
|
|
I915_READ(IER));
|
|
seq_printf(m, "Interrupt identity: %08x\n",
|
|
I915_READ(IIR));
|
|
seq_printf(m, "Interrupt mask: %08x\n",
|
|
I915_READ(IMR));
|
|
for_each_pipe(dev_priv, pipe)
|
|
seq_printf(m, "Pipe %c stat: %08x\n",
|
|
pipe_name(pipe),
|
|
I915_READ(PIPESTAT(pipe)));
|
|
} else {
|
|
seq_printf(m, "North Display Interrupt enable: %08x\n",
|
|
I915_READ(DEIER));
|
|
seq_printf(m, "North Display Interrupt identity: %08x\n",
|
|
I915_READ(DEIIR));
|
|
seq_printf(m, "North Display Interrupt mask: %08x\n",
|
|
I915_READ(DEIMR));
|
|
seq_printf(m, "South Display Interrupt enable: %08x\n",
|
|
I915_READ(SDEIER));
|
|
seq_printf(m, "South Display Interrupt identity: %08x\n",
|
|
I915_READ(SDEIIR));
|
|
seq_printf(m, "South Display Interrupt mask: %08x\n",
|
|
I915_READ(SDEIMR));
|
|
seq_printf(m, "Graphics Interrupt enable: %08x\n",
|
|
I915_READ(GTIER));
|
|
seq_printf(m, "Graphics Interrupt identity: %08x\n",
|
|
I915_READ(GTIIR));
|
|
seq_printf(m, "Graphics Interrupt mask: %08x\n",
|
|
I915_READ(GTIMR));
|
|
}
|
|
for_each_engine(engine, dev_priv) {
|
|
if (INTEL_GEN(dev_priv) >= 6) {
|
|
seq_printf(m,
|
|
"Graphics Interrupt mask (%s): %08x\n",
|
|
engine->name, I915_READ_IMR(engine));
|
|
}
|
|
i915_ring_seqno_info(m, engine);
|
|
}
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int i, ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
|
|
for (i = 0; i < dev_priv->num_fence_regs; i++) {
|
|
struct i915_vma *vma = dev_priv->fence_regs[i].vma;
|
|
|
|
seq_printf(m, "Fence %d, pin count = %d, object = ",
|
|
i, dev_priv->fence_regs[i].pin_count);
|
|
if (!vma)
|
|
seq_puts(m, "unused");
|
|
else
|
|
describe_obj(m, vma->obj);
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static int i915_hws_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = m->private;
|
|
struct drm_i915_private *dev_priv = node_to_i915(node);
|
|
struct intel_engine_cs *engine;
|
|
const u32 *hws;
|
|
int i;
|
|
|
|
engine = &dev_priv->engine[(uintptr_t)node->info_ent->data];
|
|
hws = engine->status_page.page_addr;
|
|
if (hws == NULL)
|
|
return 0;
|
|
|
|
for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
|
|
seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
|
|
i * 4,
|
|
hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t
|
|
i915_error_state_write(struct file *filp,
|
|
const char __user *ubuf,
|
|
size_t cnt,
|
|
loff_t *ppos)
|
|
{
|
|
struct i915_error_state_file_priv *error_priv = filp->private_data;
|
|
|
|
DRM_DEBUG_DRIVER("Resetting error state\n");
|
|
i915_destroy_error_state(error_priv->dev);
|
|
|
|
return cnt;
|
|
}
|
|
|
|
static int i915_error_state_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
struct i915_error_state_file_priv *error_priv;
|
|
|
|
error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL);
|
|
if (!error_priv)
|
|
return -ENOMEM;
|
|
|
|
error_priv->dev = &dev_priv->drm;
|
|
|
|
i915_error_state_get(&dev_priv->drm, error_priv);
|
|
|
|
file->private_data = error_priv;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_error_state_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct i915_error_state_file_priv *error_priv = file->private_data;
|
|
|
|
i915_error_state_put(error_priv);
|
|
kfree(error_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t i915_error_state_read(struct file *file, char __user *userbuf,
|
|
size_t count, loff_t *pos)
|
|
{
|
|
struct i915_error_state_file_priv *error_priv = file->private_data;
|
|
struct drm_i915_error_state_buf error_str;
|
|
loff_t tmp_pos = 0;
|
|
ssize_t ret_count = 0;
|
|
int ret;
|
|
|
|
ret = i915_error_state_buf_init(&error_str,
|
|
to_i915(error_priv->dev), count, *pos);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = i915_error_state_to_str(&error_str, error_priv);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos,
|
|
error_str.buf,
|
|
error_str.bytes);
|
|
|
|
if (ret_count < 0)
|
|
ret = ret_count;
|
|
else
|
|
*pos = error_str.start + ret_count;
|
|
out:
|
|
i915_error_state_buf_release(&error_str);
|
|
return ret ?: ret_count;
|
|
}
|
|
|
|
static const struct file_operations i915_error_state_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_error_state_open,
|
|
.read = i915_error_state_read,
|
|
.write = i915_error_state_write,
|
|
.llseek = default_llseek,
|
|
.release = i915_error_state_release,
|
|
};
|
|
|
|
static int
|
|
i915_next_seqno_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*val = dev_priv->next_seqno;
|
|
mutex_unlock(&dev_priv->drm.struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_next_seqno_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = i915_gem_set_seqno(dev, val);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops,
|
|
i915_next_seqno_get, i915_next_seqno_set,
|
|
"0x%llx\n");
|
|
|
|
static int i915_frequency_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int ret = 0;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (IS_GEN5(dev_priv)) {
|
|
u16 rgvswctl = I915_READ16(MEMSWCTL);
|
|
u16 rgvstat = I915_READ16(MEMSTAT_ILK);
|
|
|
|
seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
|
|
seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
|
|
seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
|
|
MEMSTAT_VID_SHIFT);
|
|
seq_printf(m, "Current P-state: %d\n",
|
|
(rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
|
|
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
|
|
u32 freq_sts;
|
|
|
|
mutex_lock(&dev_priv->rps.hw_lock);
|
|
freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
|
|
seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts);
|
|
seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq);
|
|
|
|
seq_printf(m, "actual GPU freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff));
|
|
|
|
seq_printf(m, "current GPU freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq));
|
|
|
|
seq_printf(m, "max GPU freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
|
|
|
|
seq_printf(m, "min GPU freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.min_freq));
|
|
|
|
seq_printf(m, "idle GPU freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq));
|
|
|
|
seq_printf(m,
|
|
"efficient (RPe) frequency: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
} else if (INTEL_GEN(dev_priv) >= 6) {
|
|
u32 rp_state_limits;
|
|
u32 gt_perf_status;
|
|
u32 rp_state_cap;
|
|
u32 rpmodectl, rpinclimit, rpdeclimit;
|
|
u32 rpstat, cagf, reqf;
|
|
u32 rpupei, rpcurup, rpprevup;
|
|
u32 rpdownei, rpcurdown, rpprevdown;
|
|
u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
|
|
int max_freq;
|
|
|
|
rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
|
|
if (IS_BROXTON(dev_priv)) {
|
|
rp_state_cap = I915_READ(BXT_RP_STATE_CAP);
|
|
gt_perf_status = I915_READ(BXT_GT_PERF_STATUS);
|
|
} else {
|
|
rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
|
|
gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
|
|
}
|
|
|
|
/* RPSTAT1 is in the GT power well */
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
goto out;
|
|
|
|
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
|
|
|
|
reqf = I915_READ(GEN6_RPNSWREQ);
|
|
if (IS_GEN9(dev_priv))
|
|
reqf >>= 23;
|
|
else {
|
|
reqf &= ~GEN6_TURBO_DISABLE;
|
|
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
|
|
reqf >>= 24;
|
|
else
|
|
reqf >>= 25;
|
|
}
|
|
reqf = intel_gpu_freq(dev_priv, reqf);
|
|
|
|
rpmodectl = I915_READ(GEN6_RP_CONTROL);
|
|
rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD);
|
|
rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD);
|
|
|
|
rpstat = I915_READ(GEN6_RPSTAT1);
|
|
rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
|
|
rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK;
|
|
rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK;
|
|
rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
|
|
rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
|
|
rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
|
|
if (IS_GEN9(dev_priv))
|
|
cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT;
|
|
else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
|
|
cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
|
|
else
|
|
cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
|
|
cagf = intel_gpu_freq(dev_priv, cagf);
|
|
|
|
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) {
|
|
pm_ier = I915_READ(GEN6_PMIER);
|
|
pm_imr = I915_READ(GEN6_PMIMR);
|
|
pm_isr = I915_READ(GEN6_PMISR);
|
|
pm_iir = I915_READ(GEN6_PMIIR);
|
|
pm_mask = I915_READ(GEN6_PMINTRMSK);
|
|
} else {
|
|
pm_ier = I915_READ(GEN8_GT_IER(2));
|
|
pm_imr = I915_READ(GEN8_GT_IMR(2));
|
|
pm_isr = I915_READ(GEN8_GT_ISR(2));
|
|
pm_iir = I915_READ(GEN8_GT_IIR(2));
|
|
pm_mask = I915_READ(GEN6_PMINTRMSK);
|
|
}
|
|
seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n",
|
|
pm_ier, pm_imr, pm_isr, pm_iir, pm_mask);
|
|
seq_printf(m, "pm_intr_keep: 0x%08x\n", dev_priv->rps.pm_intr_keep);
|
|
seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
|
|
seq_printf(m, "Render p-state ratio: %d\n",
|
|
(gt_perf_status & (IS_GEN9(dev_priv) ? 0x1ff00 : 0xff00)) >> 8);
|
|
seq_printf(m, "Render p-state VID: %d\n",
|
|
gt_perf_status & 0xff);
|
|
seq_printf(m, "Render p-state limit: %d\n",
|
|
rp_state_limits & 0xff);
|
|
seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
|
|
seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl);
|
|
seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit);
|
|
seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
|
|
seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
|
|
seq_printf(m, "CAGF: %dMHz\n", cagf);
|
|
seq_printf(m, "RP CUR UP EI: %d (%dus)\n",
|
|
rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei));
|
|
seq_printf(m, "RP CUR UP: %d (%dus)\n",
|
|
rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup));
|
|
seq_printf(m, "RP PREV UP: %d (%dus)\n",
|
|
rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup));
|
|
seq_printf(m, "Up threshold: %d%%\n",
|
|
dev_priv->rps.up_threshold);
|
|
|
|
seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n",
|
|
rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei));
|
|
seq_printf(m, "RP CUR DOWN: %d (%dus)\n",
|
|
rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown));
|
|
seq_printf(m, "RP PREV DOWN: %d (%dus)\n",
|
|
rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown));
|
|
seq_printf(m, "Down threshold: %d%%\n",
|
|
dev_priv->rps.down_threshold);
|
|
|
|
max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 0 :
|
|
rp_state_cap >> 16) & 0xff;
|
|
max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ?
|
|
GEN9_FREQ_SCALER : 1);
|
|
seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
|
|
intel_gpu_freq(dev_priv, max_freq));
|
|
|
|
max_freq = (rp_state_cap & 0xff00) >> 8;
|
|
max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ?
|
|
GEN9_FREQ_SCALER : 1);
|
|
seq_printf(m, "Nominal (RP1) frequency: %dMHz\n",
|
|
intel_gpu_freq(dev_priv, max_freq));
|
|
|
|
max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 16 :
|
|
rp_state_cap >> 0) & 0xff;
|
|
max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ?
|
|
GEN9_FREQ_SCALER : 1);
|
|
seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
|
|
intel_gpu_freq(dev_priv, max_freq));
|
|
seq_printf(m, "Max overclocked frequency: %dMHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
|
|
|
|
seq_printf(m, "Current freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq));
|
|
seq_printf(m, "Actual freq: %d MHz\n", cagf);
|
|
seq_printf(m, "Idle freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq));
|
|
seq_printf(m, "Min freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.min_freq));
|
|
seq_printf(m, "Boost freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq));
|
|
seq_printf(m, "Max freq: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
|
|
seq_printf(m,
|
|
"efficient (RPe) frequency: %d MHz\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
|
|
} else {
|
|
seq_puts(m, "no P-state info available\n");
|
|
}
|
|
|
|
seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk_freq);
|
|
seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq);
|
|
seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq);
|
|
|
|
out:
|
|
intel_runtime_pm_put(dev_priv);
|
|
return ret;
|
|
}
|
|
|
|
static void i915_instdone_info(struct drm_i915_private *dev_priv,
|
|
struct seq_file *m,
|
|
struct intel_instdone *instdone)
|
|
{
|
|
int slice;
|
|
int subslice;
|
|
|
|
seq_printf(m, "\t\tINSTDONE: 0x%08x\n",
|
|
instdone->instdone);
|
|
|
|
if (INTEL_GEN(dev_priv) <= 3)
|
|
return;
|
|
|
|
seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n",
|
|
instdone->slice_common);
|
|
|
|
if (INTEL_GEN(dev_priv) <= 6)
|
|
return;
|
|
|
|
for_each_instdone_slice_subslice(dev_priv, slice, subslice)
|
|
seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n",
|
|
slice, subslice, instdone->sampler[slice][subslice]);
|
|
|
|
for_each_instdone_slice_subslice(dev_priv, slice, subslice)
|
|
seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n",
|
|
slice, subslice, instdone->row[slice][subslice]);
|
|
}
|
|
|
|
static int i915_hangcheck_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_engine_cs *engine;
|
|
u64 acthd[I915_NUM_ENGINES];
|
|
u32 seqno[I915_NUM_ENGINES];
|
|
struct intel_instdone instdone;
|
|
enum intel_engine_id id;
|
|
|
|
if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags))
|
|
seq_printf(m, "Wedged\n");
|
|
if (test_bit(I915_RESET_IN_PROGRESS, &dev_priv->gpu_error.flags))
|
|
seq_printf(m, "Reset in progress\n");
|
|
if (waitqueue_active(&dev_priv->gpu_error.wait_queue))
|
|
seq_printf(m, "Waiter holding struct mutex\n");
|
|
if (waitqueue_active(&dev_priv->gpu_error.reset_queue))
|
|
seq_printf(m, "struct_mutex blocked for reset\n");
|
|
|
|
if (!i915.enable_hangcheck) {
|
|
seq_printf(m, "Hangcheck disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
for_each_engine_id(engine, dev_priv, id) {
|
|
acthd[id] = intel_engine_get_active_head(engine);
|
|
seqno[id] = intel_engine_get_seqno(engine);
|
|
}
|
|
|
|
i915_get_engine_instdone(dev_priv, RCS, &instdone);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) {
|
|
seq_printf(m, "Hangcheck active, fires in %dms\n",
|
|
jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires -
|
|
jiffies));
|
|
} else
|
|
seq_printf(m, "Hangcheck inactive\n");
|
|
|
|
for_each_engine_id(engine, dev_priv, id) {
|
|
seq_printf(m, "%s:\n", engine->name);
|
|
seq_printf(m, "\tseqno = %x [current %x, last %x]\n",
|
|
engine->hangcheck.seqno,
|
|
seqno[id],
|
|
engine->last_submitted_seqno);
|
|
seq_printf(m, "\twaiters? %s, fake irq active? %s\n",
|
|
yesno(intel_engine_has_waiter(engine)),
|
|
yesno(test_bit(engine->id,
|
|
&dev_priv->gpu_error.missed_irq_rings)));
|
|
seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
|
|
(long long)engine->hangcheck.acthd,
|
|
(long long)acthd[id]);
|
|
seq_printf(m, "\tscore = %d\n", engine->hangcheck.score);
|
|
seq_printf(m, "\taction = %d\n", engine->hangcheck.action);
|
|
|
|
if (engine->id == RCS) {
|
|
seq_puts(m, "\tinstdone read =\n");
|
|
|
|
i915_instdone_info(dev_priv, m, &instdone);
|
|
|
|
seq_puts(m, "\tinstdone accu =\n");
|
|
|
|
i915_instdone_info(dev_priv, m,
|
|
&engine->hangcheck.instdone);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ironlake_drpc_info(struct seq_file *m)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
u32 rgvmodectl, rstdbyctl;
|
|
u16 crstandvid;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
rgvmodectl = I915_READ(MEMMODECTL);
|
|
rstdbyctl = I915_READ(RSTDBYCTL);
|
|
crstandvid = I915_READ16(CRSTANDVID);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN));
|
|
seq_printf(m, "Boost freq: %d\n",
|
|
(rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
|
|
MEMMODE_BOOST_FREQ_SHIFT);
|
|
seq_printf(m, "HW control enabled: %s\n",
|
|
yesno(rgvmodectl & MEMMODE_HWIDLE_EN));
|
|
seq_printf(m, "SW control enabled: %s\n",
|
|
yesno(rgvmodectl & MEMMODE_SWMODE_EN));
|
|
seq_printf(m, "Gated voltage change: %s\n",
|
|
yesno(rgvmodectl & MEMMODE_RCLK_GATE));
|
|
seq_printf(m, "Starting frequency: P%d\n",
|
|
(rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
|
|
seq_printf(m, "Max P-state: P%d\n",
|
|
(rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
|
|
seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
|
|
seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
|
|
seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
|
|
seq_printf(m, "Render standby enabled: %s\n",
|
|
yesno(!(rstdbyctl & RCX_SW_EXIT)));
|
|
seq_puts(m, "Current RS state: ");
|
|
switch (rstdbyctl & RSX_STATUS_MASK) {
|
|
case RSX_STATUS_ON:
|
|
seq_puts(m, "on\n");
|
|
break;
|
|
case RSX_STATUS_RC1:
|
|
seq_puts(m, "RC1\n");
|
|
break;
|
|
case RSX_STATUS_RC1E:
|
|
seq_puts(m, "RC1E\n");
|
|
break;
|
|
case RSX_STATUS_RS1:
|
|
seq_puts(m, "RS1\n");
|
|
break;
|
|
case RSX_STATUS_RS2:
|
|
seq_puts(m, "RS2 (RC6)\n");
|
|
break;
|
|
case RSX_STATUS_RS3:
|
|
seq_puts(m, "RC3 (RC6+)\n");
|
|
break;
|
|
default:
|
|
seq_puts(m, "unknown\n");
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_forcewake_domains(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_uncore_forcewake_domain *fw_domain;
|
|
|
|
spin_lock_irq(&dev_priv->uncore.lock);
|
|
for_each_fw_domain(fw_domain, dev_priv) {
|
|
seq_printf(m, "%s.wake_count = %u\n",
|
|
intel_uncore_forcewake_domain_to_str(fw_domain->id),
|
|
fw_domain->wake_count);
|
|
}
|
|
spin_unlock_irq(&dev_priv->uncore.lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vlv_drpc_info(struct seq_file *m)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
u32 rpmodectl1, rcctl1, pw_status;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
pw_status = I915_READ(VLV_GTLC_PW_STATUS);
|
|
rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
|
|
rcctl1 = I915_READ(GEN6_RC_CONTROL);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
seq_printf(m, "Video Turbo Mode: %s\n",
|
|
yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
|
|
seq_printf(m, "Turbo enabled: %s\n",
|
|
yesno(rpmodectl1 & GEN6_RP_ENABLE));
|
|
seq_printf(m, "HW control enabled: %s\n",
|
|
yesno(rpmodectl1 & GEN6_RP_ENABLE));
|
|
seq_printf(m, "SW control enabled: %s\n",
|
|
yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
|
|
GEN6_RP_MEDIA_SW_MODE));
|
|
seq_printf(m, "RC6 Enabled: %s\n",
|
|
yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE |
|
|
GEN6_RC_CTL_EI_MODE(1))));
|
|
seq_printf(m, "Render Power Well: %s\n",
|
|
(pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down");
|
|
seq_printf(m, "Media Power Well: %s\n",
|
|
(pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down");
|
|
|
|
seq_printf(m, "Render RC6 residency since boot: %u\n",
|
|
I915_READ(VLV_GT_RENDER_RC6));
|
|
seq_printf(m, "Media RC6 residency since boot: %u\n",
|
|
I915_READ(VLV_GT_MEDIA_RC6));
|
|
|
|
return i915_forcewake_domains(m, NULL);
|
|
}
|
|
|
|
static int gen6_drpc_info(struct seq_file *m)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
|
|
u32 gen9_powergate_enable = 0, gen9_powergate_status = 0;
|
|
unsigned forcewake_count;
|
|
int count = 0, ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
spin_lock_irq(&dev_priv->uncore.lock);
|
|
forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count;
|
|
spin_unlock_irq(&dev_priv->uncore.lock);
|
|
|
|
if (forcewake_count) {
|
|
seq_puts(m, "RC information inaccurate because somebody "
|
|
"holds a forcewake reference \n");
|
|
} else {
|
|
/* NB: we cannot use forcewake, else we read the wrong values */
|
|
while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
|
|
udelay(10);
|
|
seq_printf(m, "RC information accurate: %s\n", yesno(count < 51));
|
|
}
|
|
|
|
gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS);
|
|
trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true);
|
|
|
|
rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
|
|
rcctl1 = I915_READ(GEN6_RC_CONTROL);
|
|
if (INTEL_GEN(dev_priv) >= 9) {
|
|
gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE);
|
|
gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS);
|
|
}
|
|
mutex_unlock(&dev->struct_mutex);
|
|
mutex_lock(&dev_priv->rps.hw_lock);
|
|
sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
seq_printf(m, "Video Turbo Mode: %s\n",
|
|
yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
|
|
seq_printf(m, "HW control enabled: %s\n",
|
|
yesno(rpmodectl1 & GEN6_RP_ENABLE));
|
|
seq_printf(m, "SW control enabled: %s\n",
|
|
yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
|
|
GEN6_RP_MEDIA_SW_MODE));
|
|
seq_printf(m, "RC1e Enabled: %s\n",
|
|
yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
|
|
seq_printf(m, "RC6 Enabled: %s\n",
|
|
yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
|
|
if (INTEL_GEN(dev_priv) >= 9) {
|
|
seq_printf(m, "Render Well Gating Enabled: %s\n",
|
|
yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE));
|
|
seq_printf(m, "Media Well Gating Enabled: %s\n",
|
|
yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE));
|
|
}
|
|
seq_printf(m, "Deep RC6 Enabled: %s\n",
|
|
yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
|
|
seq_printf(m, "Deepest RC6 Enabled: %s\n",
|
|
yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
|
|
seq_puts(m, "Current RC state: ");
|
|
switch (gt_core_status & GEN6_RCn_MASK) {
|
|
case GEN6_RC0:
|
|
if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
|
|
seq_puts(m, "Core Power Down\n");
|
|
else
|
|
seq_puts(m, "on\n");
|
|
break;
|
|
case GEN6_RC3:
|
|
seq_puts(m, "RC3\n");
|
|
break;
|
|
case GEN6_RC6:
|
|
seq_puts(m, "RC6\n");
|
|
break;
|
|
case GEN6_RC7:
|
|
seq_puts(m, "RC7\n");
|
|
break;
|
|
default:
|
|
seq_puts(m, "Unknown\n");
|
|
break;
|
|
}
|
|
|
|
seq_printf(m, "Core Power Down: %s\n",
|
|
yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
|
|
if (INTEL_GEN(dev_priv) >= 9) {
|
|
seq_printf(m, "Render Power Well: %s\n",
|
|
(gen9_powergate_status &
|
|
GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down");
|
|
seq_printf(m, "Media Power Well: %s\n",
|
|
(gen9_powergate_status &
|
|
GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down");
|
|
}
|
|
|
|
/* Not exactly sure what this is */
|
|
seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n",
|
|
I915_READ(GEN6_GT_GFX_RC6_LOCKED));
|
|
seq_printf(m, "RC6 residency since boot: %u\n",
|
|
I915_READ(GEN6_GT_GFX_RC6));
|
|
seq_printf(m, "RC6+ residency since boot: %u\n",
|
|
I915_READ(GEN6_GT_GFX_RC6p));
|
|
seq_printf(m, "RC6++ residency since boot: %u\n",
|
|
I915_READ(GEN6_GT_GFX_RC6pp));
|
|
|
|
seq_printf(m, "RC6 voltage: %dmV\n",
|
|
GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff)));
|
|
seq_printf(m, "RC6+ voltage: %dmV\n",
|
|
GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
|
|
seq_printf(m, "RC6++ voltage: %dmV\n",
|
|
GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
|
|
return i915_forcewake_domains(m, NULL);
|
|
}
|
|
|
|
static int i915_drpc_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
|
|
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
|
|
return vlv_drpc_info(m);
|
|
else if (INTEL_GEN(dev_priv) >= 6)
|
|
return gen6_drpc_info(m);
|
|
else
|
|
return ironlake_drpc_info(m);
|
|
}
|
|
|
|
static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
|
|
seq_printf(m, "FB tracking busy bits: 0x%08x\n",
|
|
dev_priv->fb_tracking.busy_bits);
|
|
|
|
seq_printf(m, "FB tracking flip bits: 0x%08x\n",
|
|
dev_priv->fb_tracking.flip_bits);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_fbc_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
|
|
if (!HAS_FBC(dev_priv)) {
|
|
seq_puts(m, "FBC unsupported on this chipset\n");
|
|
return 0;
|
|
}
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
mutex_lock(&dev_priv->fbc.lock);
|
|
|
|
if (intel_fbc_is_active(dev_priv))
|
|
seq_puts(m, "FBC enabled\n");
|
|
else
|
|
seq_printf(m, "FBC disabled: %s\n",
|
|
dev_priv->fbc.no_fbc_reason);
|
|
|
|
if (intel_fbc_is_active(dev_priv) &&
|
|
INTEL_GEN(dev_priv) >= 7)
|
|
seq_printf(m, "Compressing: %s\n",
|
|
yesno(I915_READ(FBC_STATUS2) &
|
|
FBC_COMPRESSION_MASK));
|
|
|
|
mutex_unlock(&dev_priv->fbc.lock);
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_fbc_fc_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
|
|
return -ENODEV;
|
|
|
|
*val = dev_priv->fbc.false_color;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_fbc_fc_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
u32 reg;
|
|
|
|
if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
|
|
return -ENODEV;
|
|
|
|
mutex_lock(&dev_priv->fbc.lock);
|
|
|
|
reg = I915_READ(ILK_DPFC_CONTROL);
|
|
dev_priv->fbc.false_color = val;
|
|
|
|
I915_WRITE(ILK_DPFC_CONTROL, val ?
|
|
(reg | FBC_CTL_FALSE_COLOR) :
|
|
(reg & ~FBC_CTL_FALSE_COLOR));
|
|
|
|
mutex_unlock(&dev_priv->fbc.lock);
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops,
|
|
i915_fbc_fc_get, i915_fbc_fc_set,
|
|
"%llu\n");
|
|
|
|
static int i915_ips_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
|
|
if (!HAS_IPS(dev_priv)) {
|
|
seq_puts(m, "not supported\n");
|
|
return 0;
|
|
}
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
seq_printf(m, "Enabled by kernel parameter: %s\n",
|
|
yesno(i915.enable_ips));
|
|
|
|
if (INTEL_GEN(dev_priv) >= 8) {
|
|
seq_puts(m, "Currently: unknown\n");
|
|
} else {
|
|
if (I915_READ(IPS_CTL) & IPS_ENABLE)
|
|
seq_puts(m, "Currently: enabled\n");
|
|
else
|
|
seq_puts(m, "Currently: disabled\n");
|
|
}
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_sr_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
bool sr_enabled = false;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (HAS_PCH_SPLIT(dev_priv))
|
|
sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
|
|
else if (IS_CRESTLINE(dev_priv) || IS_G4X(dev_priv) ||
|
|
IS_I945G(dev_priv) || IS_I945GM(dev_priv))
|
|
sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
|
|
else if (IS_I915GM(dev_priv))
|
|
sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
|
|
else if (IS_PINEVIEW(dev_priv))
|
|
sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
|
|
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
|
|
sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
seq_printf(m, "self-refresh: %s\n",
|
|
sr_enabled ? "enabled" : "disabled");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_emon_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
unsigned long temp, chipset, gfx;
|
|
int ret;
|
|
|
|
if (!IS_GEN5(dev_priv))
|
|
return -ENODEV;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
temp = i915_mch_val(dev_priv);
|
|
chipset = i915_chipset_val(dev_priv);
|
|
gfx = i915_gfx_val(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
seq_printf(m, "GMCH temp: %ld\n", temp);
|
|
seq_printf(m, "Chipset power: %ld\n", chipset);
|
|
seq_printf(m, "GFX power: %ld\n", gfx);
|
|
seq_printf(m, "Total power: %ld\n", chipset + gfx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_ring_freq_table(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
int ret = 0;
|
|
int gpu_freq, ia_freq;
|
|
unsigned int max_gpu_freq, min_gpu_freq;
|
|
|
|
if (!HAS_LLC(dev_priv)) {
|
|
seq_puts(m, "unsupported on this chipset\n");
|
|
return 0;
|
|
}
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
|
|
/* Convert GT frequency to 50 HZ units */
|
|
min_gpu_freq =
|
|
dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER;
|
|
max_gpu_freq =
|
|
dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER;
|
|
} else {
|
|
min_gpu_freq = dev_priv->rps.min_freq_softlimit;
|
|
max_gpu_freq = dev_priv->rps.max_freq_softlimit;
|
|
}
|
|
|
|
seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
|
|
|
|
for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) {
|
|
ia_freq = gpu_freq;
|
|
sandybridge_pcode_read(dev_priv,
|
|
GEN6_PCODE_READ_MIN_FREQ_TABLE,
|
|
&ia_freq);
|
|
seq_printf(m, "%d\t\t%d\t\t\t\t%d\n",
|
|
intel_gpu_freq(dev_priv, (gpu_freq *
|
|
(IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ?
|
|
GEN9_FREQ_SCALER : 1))),
|
|
((ia_freq >> 0) & 0xff) * 100,
|
|
((ia_freq >> 8) & 0xff) * 100);
|
|
}
|
|
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
|
|
out:
|
|
intel_runtime_pm_put(dev_priv);
|
|
return ret;
|
|
}
|
|
|
|
static int i915_opregion(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (opregion->header)
|
|
seq_write(m, opregion->header, OPREGION_SIZE);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
static int i915_vbt(struct seq_file *m, void *unused)
|
|
{
|
|
struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
|
|
|
|
if (opregion->vbt)
|
|
seq_write(m, opregion->vbt, opregion->vbt_size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_framebuffer *fbdev_fb = NULL;
|
|
struct drm_framebuffer *drm_fb;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
#ifdef CONFIG_DRM_FBDEV_EMULATION
|
|
if (dev_priv->fbdev) {
|
|
fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
|
|
|
|
seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
|
|
fbdev_fb->base.width,
|
|
fbdev_fb->base.height,
|
|
fbdev_fb->base.depth,
|
|
fbdev_fb->base.bits_per_pixel,
|
|
fbdev_fb->base.modifier[0],
|
|
drm_framebuffer_read_refcount(&fbdev_fb->base));
|
|
describe_obj(m, fbdev_fb->obj);
|
|
seq_putc(m, '\n');
|
|
}
|
|
#endif
|
|
|
|
mutex_lock(&dev->mode_config.fb_lock);
|
|
drm_for_each_fb(drm_fb, dev) {
|
|
struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
|
|
if (fb == fbdev_fb)
|
|
continue;
|
|
|
|
seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
|
|
fb->base.width,
|
|
fb->base.height,
|
|
fb->base.depth,
|
|
fb->base.bits_per_pixel,
|
|
fb->base.modifier[0],
|
|
drm_framebuffer_read_refcount(&fb->base));
|
|
describe_obj(m, fb->obj);
|
|
seq_putc(m, '\n');
|
|
}
|
|
mutex_unlock(&dev->mode_config.fb_lock);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
|
|
{
|
|
seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
|
|
ring->space, ring->head, ring->tail,
|
|
ring->last_retired_head);
|
|
}
|
|
|
|
static int i915_context_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_engine_cs *engine;
|
|
struct i915_gem_context *ctx;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
list_for_each_entry(ctx, &dev_priv->context_list, link) {
|
|
seq_printf(m, "HW context %u ", ctx->hw_id);
|
|
if (ctx->pid) {
|
|
struct task_struct *task;
|
|
|
|
task = get_pid_task(ctx->pid, PIDTYPE_PID);
|
|
if (task) {
|
|
seq_printf(m, "(%s [%d]) ",
|
|
task->comm, task->pid);
|
|
put_task_struct(task);
|
|
}
|
|
} else if (IS_ERR(ctx->file_priv)) {
|
|
seq_puts(m, "(deleted) ");
|
|
} else {
|
|
seq_puts(m, "(kernel) ");
|
|
}
|
|
|
|
seq_putc(m, ctx->remap_slice ? 'R' : 'r');
|
|
seq_putc(m, '\n');
|
|
|
|
for_each_engine(engine, dev_priv) {
|
|
struct intel_context *ce = &ctx->engine[engine->id];
|
|
|
|
seq_printf(m, "%s: ", engine->name);
|
|
seq_putc(m, ce->initialised ? 'I' : 'i');
|
|
if (ce->state)
|
|
describe_obj(m, ce->state->obj);
|
|
if (ce->ring)
|
|
describe_ctx_ring(m, ce->ring);
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void i915_dump_lrc_obj(struct seq_file *m,
|
|
struct i915_gem_context *ctx,
|
|
struct intel_engine_cs *engine)
|
|
{
|
|
struct i915_vma *vma = ctx->engine[engine->id].state;
|
|
struct page *page;
|
|
int j;
|
|
|
|
seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id);
|
|
|
|
if (!vma) {
|
|
seq_puts(m, "\tFake context\n");
|
|
return;
|
|
}
|
|
|
|
if (vma->flags & I915_VMA_GLOBAL_BIND)
|
|
seq_printf(m, "\tBound in GGTT at 0x%08x\n",
|
|
i915_ggtt_offset(vma));
|
|
|
|
if (i915_gem_object_get_pages(vma->obj)) {
|
|
seq_puts(m, "\tFailed to get pages for context object\n\n");
|
|
return;
|
|
}
|
|
|
|
page = i915_gem_object_get_page(vma->obj, LRC_STATE_PN);
|
|
if (page) {
|
|
u32 *reg_state = kmap_atomic(page);
|
|
|
|
for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) {
|
|
seq_printf(m,
|
|
"\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n",
|
|
j * 4,
|
|
reg_state[j], reg_state[j + 1],
|
|
reg_state[j + 2], reg_state[j + 3]);
|
|
}
|
|
kunmap_atomic(reg_state);
|
|
}
|
|
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
static int i915_dump_lrc(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_engine_cs *engine;
|
|
struct i915_gem_context *ctx;
|
|
int ret;
|
|
|
|
if (!i915.enable_execlists) {
|
|
seq_printf(m, "Logical Ring Contexts are disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
list_for_each_entry(ctx, &dev_priv->context_list, link)
|
|
for_each_engine(engine, dev_priv)
|
|
i915_dump_lrc_obj(m, ctx, engine);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_execlists(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_engine_cs *engine;
|
|
u32 status_pointer;
|
|
u8 read_pointer;
|
|
u8 write_pointer;
|
|
u32 status;
|
|
u32 ctx_id;
|
|
struct list_head *cursor;
|
|
int i, ret;
|
|
|
|
if (!i915.enable_execlists) {
|
|
seq_puts(m, "Logical Ring Contexts are disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
for_each_engine(engine, dev_priv) {
|
|
struct drm_i915_gem_request *head_req = NULL;
|
|
int count = 0;
|
|
|
|
seq_printf(m, "%s\n", engine->name);
|
|
|
|
status = I915_READ(RING_EXECLIST_STATUS_LO(engine));
|
|
ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(engine));
|
|
seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n",
|
|
status, ctx_id);
|
|
|
|
status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
|
|
seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer);
|
|
|
|
read_pointer = GEN8_CSB_READ_PTR(status_pointer);
|
|
write_pointer = GEN8_CSB_WRITE_PTR(status_pointer);
|
|
if (read_pointer > write_pointer)
|
|
write_pointer += GEN8_CSB_ENTRIES;
|
|
seq_printf(m, "\tRead pointer: 0x%08X, write pointer 0x%08X\n",
|
|
read_pointer, write_pointer);
|
|
|
|
for (i = 0; i < GEN8_CSB_ENTRIES; i++) {
|
|
status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, i));
|
|
ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, i));
|
|
|
|
seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n",
|
|
i, status, ctx_id);
|
|
}
|
|
|
|
spin_lock_bh(&engine->execlist_lock);
|
|
list_for_each(cursor, &engine->execlist_queue)
|
|
count++;
|
|
head_req = list_first_entry_or_null(&engine->execlist_queue,
|
|
struct drm_i915_gem_request,
|
|
execlist_link);
|
|
spin_unlock_bh(&engine->execlist_lock);
|
|
|
|
seq_printf(m, "\t%d requests in queue\n", count);
|
|
if (head_req) {
|
|
seq_printf(m, "\tHead request context: %u\n",
|
|
head_req->ctx->hw_id);
|
|
seq_printf(m, "\tHead request tail: %u\n",
|
|
head_req->tail);
|
|
}
|
|
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *swizzle_string(unsigned swizzle)
|
|
{
|
|
switch (swizzle) {
|
|
case I915_BIT_6_SWIZZLE_NONE:
|
|
return "none";
|
|
case I915_BIT_6_SWIZZLE_9:
|
|
return "bit9";
|
|
case I915_BIT_6_SWIZZLE_9_10:
|
|
return "bit9/bit10";
|
|
case I915_BIT_6_SWIZZLE_9_11:
|
|
return "bit9/bit11";
|
|
case I915_BIT_6_SWIZZLE_9_10_11:
|
|
return "bit9/bit10/bit11";
|
|
case I915_BIT_6_SWIZZLE_9_17:
|
|
return "bit9/bit17";
|
|
case I915_BIT_6_SWIZZLE_9_10_17:
|
|
return "bit9/bit10/bit17";
|
|
case I915_BIT_6_SWIZZLE_UNKNOWN:
|
|
return "unknown";
|
|
}
|
|
|
|
return "bug";
|
|
}
|
|
|
|
static int i915_swizzle_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
|
|
swizzle_string(dev_priv->mm.bit_6_swizzle_x));
|
|
seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
|
|
swizzle_string(dev_priv->mm.bit_6_swizzle_y));
|
|
|
|
if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) {
|
|
seq_printf(m, "DDC = 0x%08x\n",
|
|
I915_READ(DCC));
|
|
seq_printf(m, "DDC2 = 0x%08x\n",
|
|
I915_READ(DCC2));
|
|
seq_printf(m, "C0DRB3 = 0x%04x\n",
|
|
I915_READ16(C0DRB3));
|
|
seq_printf(m, "C1DRB3 = 0x%04x\n",
|
|
I915_READ16(C1DRB3));
|
|
} else if (INTEL_GEN(dev_priv) >= 6) {
|
|
seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
|
|
I915_READ(MAD_DIMM_C0));
|
|
seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
|
|
I915_READ(MAD_DIMM_C1));
|
|
seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
|
|
I915_READ(MAD_DIMM_C2));
|
|
seq_printf(m, "TILECTL = 0x%08x\n",
|
|
I915_READ(TILECTL));
|
|
if (INTEL_GEN(dev_priv) >= 8)
|
|
seq_printf(m, "GAMTARBMODE = 0x%08x\n",
|
|
I915_READ(GAMTARBMODE));
|
|
else
|
|
seq_printf(m, "ARB_MODE = 0x%08x\n",
|
|
I915_READ(ARB_MODE));
|
|
seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
|
|
I915_READ(DISP_ARB_CTL));
|
|
}
|
|
|
|
if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES)
|
|
seq_puts(m, "L-shaped memory detected\n");
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int per_file_ctx(int id, void *ptr, void *data)
|
|
{
|
|
struct i915_gem_context *ctx = ptr;
|
|
struct seq_file *m = data;
|
|
struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
|
|
|
|
if (!ppgtt) {
|
|
seq_printf(m, " no ppgtt for context %d\n",
|
|
ctx->user_handle);
|
|
return 0;
|
|
}
|
|
|
|
if (i915_gem_context_is_default(ctx))
|
|
seq_puts(m, " default context:\n");
|
|
else
|
|
seq_printf(m, " context %d:\n", ctx->user_handle);
|
|
ppgtt->debug_dump(ppgtt, m);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void gen8_ppgtt_info(struct seq_file *m,
|
|
struct drm_i915_private *dev_priv)
|
|
{
|
|
struct intel_engine_cs *engine;
|
|
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
|
|
int i;
|
|
|
|
if (!ppgtt)
|
|
return;
|
|
|
|
for_each_engine(engine, dev_priv) {
|
|
seq_printf(m, "%s\n", engine->name);
|
|
for (i = 0; i < 4; i++) {
|
|
u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i));
|
|
pdp <<= 32;
|
|
pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i));
|
|
seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void gen6_ppgtt_info(struct seq_file *m,
|
|
struct drm_i915_private *dev_priv)
|
|
{
|
|
struct intel_engine_cs *engine;
|
|
|
|
if (IS_GEN6(dev_priv))
|
|
seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
|
|
|
|
for_each_engine(engine, dev_priv) {
|
|
seq_printf(m, "%s\n", engine->name);
|
|
if (IS_GEN7(dev_priv))
|
|
seq_printf(m, "GFX_MODE: 0x%08x\n",
|
|
I915_READ(RING_MODE_GEN7(engine)));
|
|
seq_printf(m, "PP_DIR_BASE: 0x%08x\n",
|
|
I915_READ(RING_PP_DIR_BASE(engine)));
|
|
seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n",
|
|
I915_READ(RING_PP_DIR_BASE_READ(engine)));
|
|
seq_printf(m, "PP_DIR_DCLV: 0x%08x\n",
|
|
I915_READ(RING_PP_DIR_DCLV(engine)));
|
|
}
|
|
if (dev_priv->mm.aliasing_ppgtt) {
|
|
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
|
|
|
|
seq_puts(m, "aliasing PPGTT:\n");
|
|
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset);
|
|
|
|
ppgtt->debug_dump(ppgtt, m);
|
|
}
|
|
|
|
seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
|
|
}
|
|
|
|
static int i915_ppgtt_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct drm_file *file;
|
|
int ret;
|
|
|
|
mutex_lock(&dev->filelist_mutex);
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
goto out_unlock;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (INTEL_GEN(dev_priv) >= 8)
|
|
gen8_ppgtt_info(m, dev_priv);
|
|
else if (INTEL_GEN(dev_priv) >= 6)
|
|
gen6_ppgtt_info(m, dev_priv);
|
|
|
|
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
|
|
struct drm_i915_file_private *file_priv = file->driver_priv;
|
|
struct task_struct *task;
|
|
|
|
task = get_pid_task(file->pid, PIDTYPE_PID);
|
|
if (!task) {
|
|
ret = -ESRCH;
|
|
goto out_rpm;
|
|
}
|
|
seq_printf(m, "\nproc: %s\n", task->comm);
|
|
put_task_struct(task);
|
|
idr_for_each(&file_priv->context_idr, per_file_ctx,
|
|
(void *)(unsigned long)m);
|
|
}
|
|
|
|
out_rpm:
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
out_unlock:
|
|
mutex_unlock(&dev->filelist_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static int count_irq_waiters(struct drm_i915_private *i915)
|
|
{
|
|
struct intel_engine_cs *engine;
|
|
int count = 0;
|
|
|
|
for_each_engine(engine, i915)
|
|
count += intel_engine_has_waiter(engine);
|
|
|
|
return count;
|
|
}
|
|
|
|
static const char *rps_power_to_str(unsigned int power)
|
|
{
|
|
static const char * const strings[] = {
|
|
[LOW_POWER] = "low power",
|
|
[BETWEEN] = "mixed",
|
|
[HIGH_POWER] = "high power",
|
|
};
|
|
|
|
if (power >= ARRAY_SIZE(strings) || !strings[power])
|
|
return "unknown";
|
|
|
|
return strings[power];
|
|
}
|
|
|
|
static int i915_rps_boost_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct drm_file *file;
|
|
|
|
seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled);
|
|
seq_printf(m, "GPU busy? %s [%x]\n",
|
|
yesno(dev_priv->gt.awake), dev_priv->gt.active_engines);
|
|
seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv));
|
|
seq_printf(m, "Frequency requested %d\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq));
|
|
seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.min_freq),
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit),
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit),
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
|
|
seq_printf(m, " idle:%d, efficient:%d, boost:%d\n",
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq),
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq),
|
|
intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq));
|
|
|
|
mutex_lock(&dev->filelist_mutex);
|
|
spin_lock(&dev_priv->rps.client_lock);
|
|
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
|
|
struct drm_i915_file_private *file_priv = file->driver_priv;
|
|
struct task_struct *task;
|
|
|
|
rcu_read_lock();
|
|
task = pid_task(file->pid, PIDTYPE_PID);
|
|
seq_printf(m, "%s [%d]: %d boosts%s\n",
|
|
task ? task->comm : "<unknown>",
|
|
task ? task->pid : -1,
|
|
file_priv->rps.boosts,
|
|
list_empty(&file_priv->rps.link) ? "" : ", active");
|
|
rcu_read_unlock();
|
|
}
|
|
seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts);
|
|
spin_unlock(&dev_priv->rps.client_lock);
|
|
mutex_unlock(&dev->filelist_mutex);
|
|
|
|
if (INTEL_GEN(dev_priv) >= 6 &&
|
|
dev_priv->rps.enabled &&
|
|
dev_priv->gt.active_engines) {
|
|
u32 rpup, rpupei;
|
|
u32 rpdown, rpdownei;
|
|
|
|
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
|
|
rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK;
|
|
rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK;
|
|
rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK;
|
|
rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK;
|
|
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
|
|
|
|
seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n",
|
|
rps_power_to_str(dev_priv->rps.power));
|
|
seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n",
|
|
100 * rpup / rpupei,
|
|
dev_priv->rps.up_threshold);
|
|
seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n",
|
|
100 * rpdown / rpdownei,
|
|
dev_priv->rps.down_threshold);
|
|
} else {
|
|
seq_puts(m, "\nRPS Autotuning inactive\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_llc(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
const bool edram = INTEL_GEN(dev_priv) > 8;
|
|
|
|
seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv)));
|
|
seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC",
|
|
intel_uncore_edram_size(dev_priv)/1024/1024);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_guc_load_status_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
|
|
u32 tmp, i;
|
|
|
|
if (!HAS_GUC_UCODE(dev_priv))
|
|
return 0;
|
|
|
|
seq_printf(m, "GuC firmware status:\n");
|
|
seq_printf(m, "\tpath: %s\n",
|
|
guc_fw->guc_fw_path);
|
|
seq_printf(m, "\tfetch: %s\n",
|
|
intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
|
|
seq_printf(m, "\tload: %s\n",
|
|
intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
|
|
seq_printf(m, "\tversion wanted: %d.%d\n",
|
|
guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
|
|
seq_printf(m, "\tversion found: %d.%d\n",
|
|
guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found);
|
|
seq_printf(m, "\theader: offset is %d; size = %d\n",
|
|
guc_fw->header_offset, guc_fw->header_size);
|
|
seq_printf(m, "\tuCode: offset is %d; size = %d\n",
|
|
guc_fw->ucode_offset, guc_fw->ucode_size);
|
|
seq_printf(m, "\tRSA: offset is %d; size = %d\n",
|
|
guc_fw->rsa_offset, guc_fw->rsa_size);
|
|
|
|
tmp = I915_READ(GUC_STATUS);
|
|
|
|
seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
|
|
seq_printf(m, "\tBootrom status = 0x%x\n",
|
|
(tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
|
|
seq_printf(m, "\tuKernel status = 0x%x\n",
|
|
(tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
|
|
seq_printf(m, "\tMIA Core status = 0x%x\n",
|
|
(tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
|
|
seq_puts(m, "\nScratch registers:\n");
|
|
for (i = 0; i < 16; i++)
|
|
seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void i915_guc_client_info(struct seq_file *m,
|
|
struct drm_i915_private *dev_priv,
|
|
struct i915_guc_client *client)
|
|
{
|
|
struct intel_engine_cs *engine;
|
|
enum intel_engine_id id;
|
|
uint64_t tot = 0;
|
|
|
|
seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n",
|
|
client->priority, client->ctx_index, client->proc_desc_offset);
|
|
seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n",
|
|
client->doorbell_id, client->doorbell_offset, client->cookie);
|
|
seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n",
|
|
client->wq_size, client->wq_offset, client->wq_tail);
|
|
|
|
seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space);
|
|
seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail);
|
|
seq_printf(m, "\tLast submission result: %d\n", client->retcode);
|
|
|
|
for_each_engine_id(engine, dev_priv, id) {
|
|
u64 submissions = client->submissions[id];
|
|
tot += submissions;
|
|
seq_printf(m, "\tSubmissions: %llu %s\n",
|
|
submissions, engine->name);
|
|
}
|
|
seq_printf(m, "\tTotal: %llu\n", tot);
|
|
}
|
|
|
|
static int i915_guc_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_guc guc;
|
|
struct i915_guc_client client = {};
|
|
struct intel_engine_cs *engine;
|
|
enum intel_engine_id id;
|
|
u64 total = 0;
|
|
|
|
if (!HAS_GUC_SCHED(dev_priv))
|
|
return 0;
|
|
|
|
if (mutex_lock_interruptible(&dev->struct_mutex))
|
|
return 0;
|
|
|
|
/* Take a local copy of the GuC data, so we can dump it at leisure */
|
|
guc = dev_priv->guc;
|
|
if (guc.execbuf_client)
|
|
client = *guc.execbuf_client;
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
seq_printf(m, "Doorbell map:\n");
|
|
seq_printf(m, "\t%*pb\n", GUC_MAX_DOORBELLS, guc.doorbell_bitmap);
|
|
seq_printf(m, "Doorbell next cacheline: 0x%x\n\n", guc.db_cacheline);
|
|
|
|
seq_printf(m, "GuC total action count: %llu\n", guc.action_count);
|
|
seq_printf(m, "GuC action failure count: %u\n", guc.action_fail);
|
|
seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd);
|
|
seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status);
|
|
seq_printf(m, "GuC last action error code: %d\n", guc.action_err);
|
|
|
|
seq_printf(m, "\nGuC submissions:\n");
|
|
for_each_engine_id(engine, dev_priv, id) {
|
|
u64 submissions = guc.submissions[id];
|
|
total += submissions;
|
|
seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x\n",
|
|
engine->name, submissions, guc.last_seqno[id]);
|
|
}
|
|
seq_printf(m, "\t%s: %llu\n", "Total", total);
|
|
|
|
seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client);
|
|
i915_guc_client_info(m, dev_priv, &client);
|
|
|
|
/* Add more as required ... */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_guc_log_dump(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_i915_gem_object *obj;
|
|
int i = 0, pg;
|
|
|
|
if (!dev_priv->guc.log_vma)
|
|
return 0;
|
|
|
|
obj = dev_priv->guc.log_vma->obj;
|
|
for (pg = 0; pg < obj->base.size / PAGE_SIZE; pg++) {
|
|
u32 *log = kmap_atomic(i915_gem_object_get_page(obj, pg));
|
|
|
|
for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4)
|
|
seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n",
|
|
*(log + i), *(log + i + 1),
|
|
*(log + i + 2), *(log + i + 3));
|
|
|
|
kunmap_atomic(log);
|
|
}
|
|
|
|
seq_putc(m, '\n');
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_edp_psr_status(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
u32 psrperf = 0;
|
|
u32 stat[3];
|
|
enum pipe pipe;
|
|
bool enabled = false;
|
|
|
|
if (!HAS_PSR(dev_priv)) {
|
|
seq_puts(m, "PSR not supported\n");
|
|
return 0;
|
|
}
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
mutex_lock(&dev_priv->psr.lock);
|
|
seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support));
|
|
seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok));
|
|
seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled));
|
|
seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active));
|
|
seq_printf(m, "Busy frontbuffer bits: 0x%03x\n",
|
|
dev_priv->psr.busy_frontbuffer_bits);
|
|
seq_printf(m, "Re-enable work scheduled: %s\n",
|
|
yesno(work_busy(&dev_priv->psr.work.work)));
|
|
|
|
if (HAS_DDI(dev_priv))
|
|
enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
|
|
else {
|
|
for_each_pipe(dev_priv, pipe) {
|
|
stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) &
|
|
VLV_EDP_PSR_CURR_STATE_MASK;
|
|
if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) ||
|
|
(stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE))
|
|
enabled = true;
|
|
}
|
|
}
|
|
|
|
seq_printf(m, "Main link in standby mode: %s\n",
|
|
yesno(dev_priv->psr.link_standby));
|
|
|
|
seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled));
|
|
|
|
if (!HAS_DDI(dev_priv))
|
|
for_each_pipe(dev_priv, pipe) {
|
|
if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) ||
|
|
(stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE))
|
|
seq_printf(m, " pipe %c", pipe_name(pipe));
|
|
}
|
|
seq_puts(m, "\n");
|
|
|
|
/*
|
|
* VLV/CHV PSR has no kind of performance counter
|
|
* SKL+ Perf counter is reset to 0 everytime DC state is entered
|
|
*/
|
|
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
|
|
psrperf = I915_READ(EDP_PSR_PERF_CNT) &
|
|
EDP_PSR_PERF_CNT_MASK;
|
|
|
|
seq_printf(m, "Performance_Counter: %u\n", psrperf);
|
|
}
|
|
mutex_unlock(&dev_priv->psr.lock);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
return 0;
|
|
}
|
|
|
|
static int i915_sink_crc(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_connector *connector;
|
|
struct intel_dp *intel_dp = NULL;
|
|
int ret;
|
|
u8 crc[6];
|
|
|
|
drm_modeset_lock_all(dev);
|
|
for_each_intel_connector(dev, connector) {
|
|
struct drm_crtc *crtc;
|
|
|
|
if (!connector->base.state->best_encoder)
|
|
continue;
|
|
|
|
crtc = connector->base.state->crtc;
|
|
if (!crtc->state->active)
|
|
continue;
|
|
|
|
if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP)
|
|
continue;
|
|
|
|
intel_dp = enc_to_intel_dp(connector->base.state->best_encoder);
|
|
|
|
ret = intel_dp_sink_crc(intel_dp, crc);
|
|
if (ret)
|
|
goto out;
|
|
|
|
seq_printf(m, "%02x%02x%02x%02x%02x%02x\n",
|
|
crc[0], crc[1], crc[2],
|
|
crc[3], crc[4], crc[5]);
|
|
goto out;
|
|
}
|
|
ret = -ENODEV;
|
|
out:
|
|
drm_modeset_unlock_all(dev);
|
|
return ret;
|
|
}
|
|
|
|
static int i915_energy_uJ(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
u64 power;
|
|
u32 units;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return -ENODEV;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
rdmsrl(MSR_RAPL_POWER_UNIT, power);
|
|
power = (power & 0x1f00) >> 8;
|
|
units = 1000000 / (1 << power); /* convert to uJ */
|
|
power = I915_READ(MCH_SECP_NRG_STTS);
|
|
power *= units;
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
seq_printf(m, "%llu", (long long unsigned)power);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_runtime_pm_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
|
|
if (!HAS_RUNTIME_PM(dev_priv))
|
|
seq_puts(m, "Runtime power management not supported\n");
|
|
|
|
seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake));
|
|
seq_printf(m, "IRQs disabled: %s\n",
|
|
yesno(!intel_irqs_enabled(dev_priv)));
|
|
#ifdef CONFIG_PM
|
|
seq_printf(m, "Usage count: %d\n",
|
|
atomic_read(&dev_priv->drm.dev->power.usage_count));
|
|
#else
|
|
seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n");
|
|
#endif
|
|
seq_printf(m, "PCI device power state: %s [%d]\n",
|
|
pci_power_name(pdev->current_state),
|
|
pdev->current_state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_power_domain_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct i915_power_domains *power_domains = &dev_priv->power_domains;
|
|
int i;
|
|
|
|
mutex_lock(&power_domains->lock);
|
|
|
|
seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
|
|
for (i = 0; i < power_domains->power_well_count; i++) {
|
|
struct i915_power_well *power_well;
|
|
enum intel_display_power_domain power_domain;
|
|
|
|
power_well = &power_domains->power_wells[i];
|
|
seq_printf(m, "%-25s %d\n", power_well->name,
|
|
power_well->count);
|
|
|
|
for (power_domain = 0; power_domain < POWER_DOMAIN_NUM;
|
|
power_domain++) {
|
|
if (!(BIT(power_domain) & power_well->domains))
|
|
continue;
|
|
|
|
seq_printf(m, " %-23s %d\n",
|
|
intel_display_power_domain_str(power_domain),
|
|
power_domains->domain_use_count[power_domain]);
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&power_domains->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_dmc_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct intel_csr *csr;
|
|
|
|
if (!HAS_CSR(dev_priv)) {
|
|
seq_puts(m, "not supported\n");
|
|
return 0;
|
|
}
|
|
|
|
csr = &dev_priv->csr;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
|
|
seq_printf(m, "path: %s\n", csr->fw_path);
|
|
|
|
if (!csr->dmc_payload)
|
|
goto out;
|
|
|
|
seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
|
|
CSR_VERSION_MINOR(csr->version));
|
|
|
|
if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) {
|
|
seq_printf(m, "DC3 -> DC5 count: %d\n",
|
|
I915_READ(SKL_CSR_DC3_DC5_COUNT));
|
|
seq_printf(m, "DC5 -> DC6 count: %d\n",
|
|
I915_READ(SKL_CSR_DC5_DC6_COUNT));
|
|
} else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) {
|
|
seq_printf(m, "DC3 -> DC5 count: %d\n",
|
|
I915_READ(BXT_CSR_DC3_DC5_COUNT));
|
|
}
|
|
|
|
out:
|
|
seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
|
|
seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
|
|
seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void intel_seq_print_mode(struct seq_file *m, int tabs,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < tabs; i++)
|
|
seq_putc(m, '\t');
|
|
|
|
seq_printf(m, "id %d:\"%s\" freq %d clock %d hdisp %d hss %d hse %d htot %d vdisp %d vss %d vse %d vtot %d type 0x%x flags 0x%x\n",
|
|
mode->base.id, mode->name,
|
|
mode->vrefresh, mode->clock,
|
|
mode->hdisplay, mode->hsync_start,
|
|
mode->hsync_end, mode->htotal,
|
|
mode->vdisplay, mode->vsync_start,
|
|
mode->vsync_end, mode->vtotal,
|
|
mode->type, mode->flags);
|
|
}
|
|
|
|
static void intel_encoder_info(struct seq_file *m,
|
|
struct intel_crtc *intel_crtc,
|
|
struct intel_encoder *intel_encoder)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct drm_crtc *crtc = &intel_crtc->base;
|
|
struct intel_connector *intel_connector;
|
|
struct drm_encoder *encoder;
|
|
|
|
encoder = &intel_encoder->base;
|
|
seq_printf(m, "\tencoder %d: type: %s, connectors:\n",
|
|
encoder->base.id, encoder->name);
|
|
for_each_connector_on_encoder(dev, encoder, intel_connector) {
|
|
struct drm_connector *connector = &intel_connector->base;
|
|
seq_printf(m, "\t\tconnector %d: type: %s, status: %s",
|
|
connector->base.id,
|
|
connector->name,
|
|
drm_get_connector_status_name(connector->status));
|
|
if (connector->status == connector_status_connected) {
|
|
struct drm_display_mode *mode = &crtc->mode;
|
|
seq_printf(m, ", mode:\n");
|
|
intel_seq_print_mode(m, 2, mode);
|
|
} else {
|
|
seq_putc(m, '\n');
|
|
}
|
|
}
|
|
}
|
|
|
|
static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct drm_crtc *crtc = &intel_crtc->base;
|
|
struct intel_encoder *intel_encoder;
|
|
struct drm_plane_state *plane_state = crtc->primary->state;
|
|
struct drm_framebuffer *fb = plane_state->fb;
|
|
|
|
if (fb)
|
|
seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n",
|
|
fb->base.id, plane_state->src_x >> 16,
|
|
plane_state->src_y >> 16, fb->width, fb->height);
|
|
else
|
|
seq_puts(m, "\tprimary plane disabled\n");
|
|
for_each_encoder_on_crtc(dev, crtc, intel_encoder)
|
|
intel_encoder_info(m, intel_crtc, intel_encoder);
|
|
}
|
|
|
|
static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
|
|
{
|
|
struct drm_display_mode *mode = panel->fixed_mode;
|
|
|
|
seq_printf(m, "\tfixed mode:\n");
|
|
intel_seq_print_mode(m, 2, mode);
|
|
}
|
|
|
|
static void intel_dp_info(struct seq_file *m,
|
|
struct intel_connector *intel_connector)
|
|
{
|
|
struct intel_encoder *intel_encoder = intel_connector->encoder;
|
|
struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
|
|
|
|
seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
|
|
seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
|
|
if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
|
|
intel_panel_info(m, &intel_connector->panel);
|
|
|
|
drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
|
|
&intel_dp->aux);
|
|
}
|
|
|
|
static void intel_hdmi_info(struct seq_file *m,
|
|
struct intel_connector *intel_connector)
|
|
{
|
|
struct intel_encoder *intel_encoder = intel_connector->encoder;
|
|
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base);
|
|
|
|
seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
|
|
}
|
|
|
|
static void intel_lvds_info(struct seq_file *m,
|
|
struct intel_connector *intel_connector)
|
|
{
|
|
intel_panel_info(m, &intel_connector->panel);
|
|
}
|
|
|
|
static void intel_connector_info(struct seq_file *m,
|
|
struct drm_connector *connector)
|
|
{
|
|
struct intel_connector *intel_connector = to_intel_connector(connector);
|
|
struct intel_encoder *intel_encoder = intel_connector->encoder;
|
|
struct drm_display_mode *mode;
|
|
|
|
seq_printf(m, "connector %d: type %s, status: %s\n",
|
|
connector->base.id, connector->name,
|
|
drm_get_connector_status_name(connector->status));
|
|
if (connector->status == connector_status_connected) {
|
|
seq_printf(m, "\tname: %s\n", connector->display_info.name);
|
|
seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
|
|
connector->display_info.width_mm,
|
|
connector->display_info.height_mm);
|
|
seq_printf(m, "\tsubpixel order: %s\n",
|
|
drm_get_subpixel_order_name(connector->display_info.subpixel_order));
|
|
seq_printf(m, "\tCEA rev: %d\n",
|
|
connector->display_info.cea_rev);
|
|
}
|
|
|
|
if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
|
|
return;
|
|
|
|
switch (connector->connector_type) {
|
|
case DRM_MODE_CONNECTOR_DisplayPort:
|
|
case DRM_MODE_CONNECTOR_eDP:
|
|
intel_dp_info(m, intel_connector);
|
|
break;
|
|
case DRM_MODE_CONNECTOR_LVDS:
|
|
if (intel_encoder->type == INTEL_OUTPUT_LVDS)
|
|
intel_lvds_info(m, intel_connector);
|
|
break;
|
|
case DRM_MODE_CONNECTOR_HDMIA:
|
|
if (intel_encoder->type == INTEL_OUTPUT_HDMI ||
|
|
intel_encoder->type == INTEL_OUTPUT_UNKNOWN)
|
|
intel_hdmi_info(m, intel_connector);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
seq_printf(m, "\tmodes:\n");
|
|
list_for_each_entry(mode, &connector->modes, head)
|
|
intel_seq_print_mode(m, 2, mode);
|
|
}
|
|
|
|
static bool cursor_active(struct drm_i915_private *dev_priv, int pipe)
|
|
{
|
|
u32 state;
|
|
|
|
if (IS_845G(dev_priv) || IS_I865G(dev_priv))
|
|
state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE;
|
|
else
|
|
state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE;
|
|
|
|
return state;
|
|
}
|
|
|
|
static bool cursor_position(struct drm_i915_private *dev_priv,
|
|
int pipe, int *x, int *y)
|
|
{
|
|
u32 pos;
|
|
|
|
pos = I915_READ(CURPOS(pipe));
|
|
|
|
*x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK;
|
|
if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT))
|
|
*x = -*x;
|
|
|
|
*y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK;
|
|
if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT))
|
|
*y = -*y;
|
|
|
|
return cursor_active(dev_priv, pipe);
|
|
}
|
|
|
|
static const char *plane_type(enum drm_plane_type type)
|
|
{
|
|
switch (type) {
|
|
case DRM_PLANE_TYPE_OVERLAY:
|
|
return "OVL";
|
|
case DRM_PLANE_TYPE_PRIMARY:
|
|
return "PRI";
|
|
case DRM_PLANE_TYPE_CURSOR:
|
|
return "CUR";
|
|
/*
|
|
* Deliberately omitting default: to generate compiler warnings
|
|
* when a new drm_plane_type gets added.
|
|
*/
|
|
}
|
|
|
|
return "unknown";
|
|
}
|
|
|
|
static const char *plane_rotation(unsigned int rotation)
|
|
{
|
|
static char buf[48];
|
|
/*
|
|
* According to doc only one DRM_ROTATE_ is allowed but this
|
|
* will print them all to visualize if the values are misused
|
|
*/
|
|
snprintf(buf, sizeof(buf),
|
|
"%s%s%s%s%s%s(0x%08x)",
|
|
(rotation & DRM_ROTATE_0) ? "0 " : "",
|
|
(rotation & DRM_ROTATE_90) ? "90 " : "",
|
|
(rotation & DRM_ROTATE_180) ? "180 " : "",
|
|
(rotation & DRM_ROTATE_270) ? "270 " : "",
|
|
(rotation & DRM_REFLECT_X) ? "FLIPX " : "",
|
|
(rotation & DRM_REFLECT_Y) ? "FLIPY " : "",
|
|
rotation);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_plane *intel_plane;
|
|
|
|
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
|
|
struct drm_plane_state *state;
|
|
struct drm_plane *plane = &intel_plane->base;
|
|
|
|
if (!plane->state) {
|
|
seq_puts(m, "plane->state is NULL!\n");
|
|
continue;
|
|
}
|
|
|
|
state = plane->state;
|
|
|
|
seq_printf(m, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n",
|
|
plane->base.id,
|
|
plane_type(intel_plane->base.type),
|
|
state->crtc_x, state->crtc_y,
|
|
state->crtc_w, state->crtc_h,
|
|
(state->src_x >> 16),
|
|
((state->src_x & 0xffff) * 15625) >> 10,
|
|
(state->src_y >> 16),
|
|
((state->src_y & 0xffff) * 15625) >> 10,
|
|
(state->src_w >> 16),
|
|
((state->src_w & 0xffff) * 15625) >> 10,
|
|
(state->src_h >> 16),
|
|
((state->src_h & 0xffff) * 15625) >> 10,
|
|
state->fb ? drm_get_format_name(state->fb->pixel_format) : "N/A",
|
|
plane_rotation(state->rotation));
|
|
}
|
|
}
|
|
|
|
static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc)
|
|
{
|
|
struct intel_crtc_state *pipe_config;
|
|
int num_scalers = intel_crtc->num_scalers;
|
|
int i;
|
|
|
|
pipe_config = to_intel_crtc_state(intel_crtc->base.state);
|
|
|
|
/* Not all platformas have a scaler */
|
|
if (num_scalers) {
|
|
seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
|
|
num_scalers,
|
|
pipe_config->scaler_state.scaler_users,
|
|
pipe_config->scaler_state.scaler_id);
|
|
|
|
for (i = 0; i < SKL_NUM_SCALERS; i++) {
|
|
struct intel_scaler *sc =
|
|
&pipe_config->scaler_state.scalers[i];
|
|
|
|
seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
|
|
i, yesno(sc->in_use), sc->mode);
|
|
}
|
|
seq_puts(m, "\n");
|
|
} else {
|
|
seq_puts(m, "\tNo scalers available on this platform\n");
|
|
}
|
|
}
|
|
|
|
static int i915_display_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_crtc *crtc;
|
|
struct drm_connector *connector;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
drm_modeset_lock_all(dev);
|
|
seq_printf(m, "CRTC info\n");
|
|
seq_printf(m, "---------\n");
|
|
for_each_intel_crtc(dev, crtc) {
|
|
bool active;
|
|
struct intel_crtc_state *pipe_config;
|
|
int x, y;
|
|
|
|
pipe_config = to_intel_crtc_state(crtc->base.state);
|
|
|
|
seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
|
|
crtc->base.base.id, pipe_name(crtc->pipe),
|
|
yesno(pipe_config->base.active),
|
|
pipe_config->pipe_src_w, pipe_config->pipe_src_h,
|
|
yesno(pipe_config->dither), pipe_config->pipe_bpp);
|
|
|
|
if (pipe_config->base.active) {
|
|
intel_crtc_info(m, crtc);
|
|
|
|
active = cursor_position(dev_priv, crtc->pipe, &x, &y);
|
|
seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n",
|
|
yesno(crtc->cursor_base),
|
|
x, y, crtc->base.cursor->state->crtc_w,
|
|
crtc->base.cursor->state->crtc_h,
|
|
crtc->cursor_addr, yesno(active));
|
|
intel_scaler_info(m, crtc);
|
|
intel_plane_info(m, crtc);
|
|
}
|
|
|
|
seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n",
|
|
yesno(!crtc->cpu_fifo_underrun_disabled),
|
|
yesno(!crtc->pch_fifo_underrun_disabled));
|
|
}
|
|
|
|
seq_printf(m, "\n");
|
|
seq_printf(m, "Connector info\n");
|
|
seq_printf(m, "--------------\n");
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
intel_connector_info(m, connector);
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_semaphore_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_engine_cs *engine;
|
|
int num_rings = INTEL_INFO(dev_priv)->num_rings;
|
|
enum intel_engine_id id;
|
|
int j, ret;
|
|
|
|
if (!i915.semaphores) {
|
|
seq_puts(m, "Semaphores are disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (IS_BROADWELL(dev_priv)) {
|
|
struct page *page;
|
|
uint64_t *seqno;
|
|
|
|
page = i915_gem_object_get_page(dev_priv->semaphore->obj, 0);
|
|
|
|
seqno = (uint64_t *)kmap_atomic(page);
|
|
for_each_engine_id(engine, dev_priv, id) {
|
|
uint64_t offset;
|
|
|
|
seq_printf(m, "%s\n", engine->name);
|
|
|
|
seq_puts(m, " Last signal:");
|
|
for (j = 0; j < num_rings; j++) {
|
|
offset = id * I915_NUM_ENGINES + j;
|
|
seq_printf(m, "0x%08llx (0x%02llx) ",
|
|
seqno[offset], offset * 8);
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
seq_puts(m, " Last wait: ");
|
|
for (j = 0; j < num_rings; j++) {
|
|
offset = id + (j * I915_NUM_ENGINES);
|
|
seq_printf(m, "0x%08llx (0x%02llx) ",
|
|
seqno[offset], offset * 8);
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
}
|
|
kunmap_atomic(seqno);
|
|
} else {
|
|
seq_puts(m, " Last signal:");
|
|
for_each_engine(engine, dev_priv)
|
|
for (j = 0; j < num_rings; j++)
|
|
seq_printf(m, "0x%08x\n",
|
|
I915_READ(engine->semaphore.mbox.signal[j]));
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
seq_puts(m, "\nSync seqno:\n");
|
|
for_each_engine(engine, dev_priv) {
|
|
for (j = 0; j < num_rings; j++)
|
|
seq_printf(m, " 0x%08x ",
|
|
engine->semaphore.sync_seqno[j]);
|
|
seq_putc(m, '\n');
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static int i915_shared_dplls_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int i;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
for (i = 0; i < dev_priv->num_shared_dpll; i++) {
|
|
struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
|
|
|
|
seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id);
|
|
seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
|
|
pll->config.crtc_mask, pll->active_mask, yesno(pll->on));
|
|
seq_printf(m, " tracked hardware state:\n");
|
|
seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll);
|
|
seq_printf(m, " dpll_md: 0x%08x\n",
|
|
pll->config.hw_state.dpll_md);
|
|
seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0);
|
|
seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1);
|
|
seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll);
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_wa_registers(struct seq_file *m, void *unused)
|
|
{
|
|
int i;
|
|
int ret;
|
|
struct intel_engine_cs *engine;
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct i915_workarounds *workarounds = &dev_priv->workarounds;
|
|
enum intel_engine_id id;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
seq_printf(m, "Workarounds applied: %d\n", workarounds->count);
|
|
for_each_engine_id(engine, dev_priv, id)
|
|
seq_printf(m, "HW whitelist count for %s: %d\n",
|
|
engine->name, workarounds->hw_whitelist_count[id]);
|
|
for (i = 0; i < workarounds->count; ++i) {
|
|
i915_reg_t addr;
|
|
u32 mask, value, read;
|
|
bool ok;
|
|
|
|
addr = workarounds->reg[i].addr;
|
|
mask = workarounds->reg[i].mask;
|
|
value = workarounds->reg[i].value;
|
|
read = I915_READ(addr);
|
|
ok = (value & mask) == (read & mask);
|
|
seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",
|
|
i915_mmio_reg_offset(addr), value, mask, read, ok ? "OK" : "FAIL");
|
|
}
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_ddb_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct skl_ddb_allocation *ddb;
|
|
struct skl_ddb_entry *entry;
|
|
enum pipe pipe;
|
|
int plane;
|
|
|
|
if (INTEL_GEN(dev_priv) < 9)
|
|
return 0;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
|
|
ddb = &dev_priv->wm.skl_hw.ddb;
|
|
|
|
seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
|
|
|
|
for_each_pipe(dev_priv, pipe) {
|
|
seq_printf(m, "Pipe %c\n", pipe_name(pipe));
|
|
|
|
for_each_plane(dev_priv, pipe, plane) {
|
|
entry = &ddb->plane[pipe][plane];
|
|
seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1,
|
|
entry->start, entry->end,
|
|
skl_ddb_entry_size(entry));
|
|
}
|
|
|
|
entry = &ddb->plane[pipe][PLANE_CURSOR];
|
|
seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
|
|
entry->end, skl_ddb_entry_size(entry));
|
|
}
|
|
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void drrs_status_per_crtc(struct seq_file *m,
|
|
struct drm_device *dev,
|
|
struct intel_crtc *intel_crtc)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
struct i915_drrs *drrs = &dev_priv->drrs;
|
|
int vrefresh = 0;
|
|
struct drm_connector *connector;
|
|
|
|
drm_for_each_connector(connector, dev) {
|
|
if (connector->state->crtc != &intel_crtc->base)
|
|
continue;
|
|
|
|
seq_printf(m, "%s:\n", connector->name);
|
|
}
|
|
|
|
if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT)
|
|
seq_puts(m, "\tVBT: DRRS_type: Static");
|
|
else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT)
|
|
seq_puts(m, "\tVBT: DRRS_type: Seamless");
|
|
else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED)
|
|
seq_puts(m, "\tVBT: DRRS_type: None");
|
|
else
|
|
seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value");
|
|
|
|
seq_puts(m, "\n\n");
|
|
|
|
if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
|
|
struct intel_panel *panel;
|
|
|
|
mutex_lock(&drrs->mutex);
|
|
/* DRRS Supported */
|
|
seq_puts(m, "\tDRRS Supported: Yes\n");
|
|
|
|
/* disable_drrs() will make drrs->dp NULL */
|
|
if (!drrs->dp) {
|
|
seq_puts(m, "Idleness DRRS: Disabled");
|
|
mutex_unlock(&drrs->mutex);
|
|
return;
|
|
}
|
|
|
|
panel = &drrs->dp->attached_connector->panel;
|
|
seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
|
|
drrs->busy_frontbuffer_bits);
|
|
|
|
seq_puts(m, "\n\t\t");
|
|
if (drrs->refresh_rate_type == DRRS_HIGH_RR) {
|
|
seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n");
|
|
vrefresh = panel->fixed_mode->vrefresh;
|
|
} else if (drrs->refresh_rate_type == DRRS_LOW_RR) {
|
|
seq_puts(m, "DRRS_State: DRRS_LOW_RR\n");
|
|
vrefresh = panel->downclock_mode->vrefresh;
|
|
} else {
|
|
seq_printf(m, "DRRS_State: Unknown(%d)\n",
|
|
drrs->refresh_rate_type);
|
|
mutex_unlock(&drrs->mutex);
|
|
return;
|
|
}
|
|
seq_printf(m, "\t\tVrefresh: %d", vrefresh);
|
|
|
|
seq_puts(m, "\n\t\t");
|
|
mutex_unlock(&drrs->mutex);
|
|
} else {
|
|
/* DRRS not supported. Print the VBT parameter*/
|
|
seq_puts(m, "\tDRRS Supported : No");
|
|
}
|
|
seq_puts(m, "\n");
|
|
}
|
|
|
|
static int i915_drrs_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_crtc *intel_crtc;
|
|
int active_crtc_cnt = 0;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
for_each_intel_crtc(dev, intel_crtc) {
|
|
if (intel_crtc->base.state->active) {
|
|
active_crtc_cnt++;
|
|
seq_printf(m, "\nCRTC %d: ", active_crtc_cnt);
|
|
|
|
drrs_status_per_crtc(m, dev, intel_crtc);
|
|
}
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
if (!active_crtc_cnt)
|
|
seq_puts(m, "No active crtc found\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct pipe_crc_info {
|
|
const char *name;
|
|
struct drm_i915_private *dev_priv;
|
|
enum pipe pipe;
|
|
};
|
|
|
|
static int i915_dp_mst_info(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_encoder *intel_encoder;
|
|
struct intel_digital_port *intel_dig_port;
|
|
struct drm_connector *connector;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
drm_for_each_connector(connector, dev) {
|
|
if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
|
|
continue;
|
|
|
|
intel_encoder = intel_attached_encoder(connector);
|
|
if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
|
|
continue;
|
|
|
|
intel_dig_port = enc_to_dig_port(&intel_encoder->base);
|
|
if (!intel_dig_port->dp.can_mst)
|
|
continue;
|
|
|
|
seq_printf(m, "MST Source Port %c\n",
|
|
port_name(intel_dig_port->port));
|
|
drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
return 0;
|
|
}
|
|
|
|
static int i915_pipe_crc_open(struct inode *inode, struct file *filep)
|
|
{
|
|
struct pipe_crc_info *info = inode->i_private;
|
|
struct drm_i915_private *dev_priv = info->dev_priv;
|
|
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
|
|
|
|
if (info->pipe >= INTEL_INFO(dev_priv)->num_pipes)
|
|
return -ENODEV;
|
|
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
|
|
if (pipe_crc->opened) {
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
return -EBUSY; /* already open */
|
|
}
|
|
|
|
pipe_crc->opened = true;
|
|
filep->private_data = inode->i_private;
|
|
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_pipe_crc_release(struct inode *inode, struct file *filep)
|
|
{
|
|
struct pipe_crc_info *info = inode->i_private;
|
|
struct drm_i915_private *dev_priv = info->dev_priv;
|
|
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
|
|
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
pipe_crc->opened = false;
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* (6 fields, 8 chars each, space separated (5) + '\n') */
|
|
#define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1)
|
|
/* account for \'0' */
|
|
#define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1)
|
|
|
|
static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)
|
|
{
|
|
assert_spin_locked(&pipe_crc->lock);
|
|
return CIRC_CNT(pipe_crc->head, pipe_crc->tail,
|
|
INTEL_PIPE_CRC_ENTRIES_NR);
|
|
}
|
|
|
|
static ssize_t
|
|
i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count,
|
|
loff_t *pos)
|
|
{
|
|
struct pipe_crc_info *info = filep->private_data;
|
|
struct drm_i915_private *dev_priv = info->dev_priv;
|
|
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
|
|
char buf[PIPE_CRC_BUFFER_LEN];
|
|
int n_entries;
|
|
ssize_t bytes_read;
|
|
|
|
/*
|
|
* Don't allow user space to provide buffers not big enough to hold
|
|
* a line of data.
|
|
*/
|
|
if (count < PIPE_CRC_LINE_LEN)
|
|
return -EINVAL;
|
|
|
|
if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE)
|
|
return 0;
|
|
|
|
/* nothing to read */
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
while (pipe_crc_data_count(pipe_crc) == 0) {
|
|
int ret;
|
|
|
|
if (filep->f_flags & O_NONBLOCK) {
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
return -EAGAIN;
|
|
}
|
|
|
|
ret = wait_event_interruptible_lock_irq(pipe_crc->wq,
|
|
pipe_crc_data_count(pipe_crc), pipe_crc->lock);
|
|
if (ret) {
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/* We now have one or more entries to read */
|
|
n_entries = count / PIPE_CRC_LINE_LEN;
|
|
|
|
bytes_read = 0;
|
|
while (n_entries > 0) {
|
|
struct intel_pipe_crc_entry *entry =
|
|
&pipe_crc->entries[pipe_crc->tail];
|
|
|
|
if (CIRC_CNT(pipe_crc->head, pipe_crc->tail,
|
|
INTEL_PIPE_CRC_ENTRIES_NR) < 1)
|
|
break;
|
|
|
|
BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR);
|
|
pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);
|
|
|
|
bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN,
|
|
"%8u %8x %8x %8x %8x %8x\n",
|
|
entry->frame, entry->crc[0],
|
|
entry->crc[1], entry->crc[2],
|
|
entry->crc[3], entry->crc[4]);
|
|
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
|
|
if (copy_to_user(user_buf, buf, PIPE_CRC_LINE_LEN))
|
|
return -EFAULT;
|
|
|
|
user_buf += PIPE_CRC_LINE_LEN;
|
|
n_entries--;
|
|
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
}
|
|
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
|
|
return bytes_read;
|
|
}
|
|
|
|
static const struct file_operations i915_pipe_crc_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_pipe_crc_open,
|
|
.read = i915_pipe_crc_read,
|
|
.release = i915_pipe_crc_release,
|
|
};
|
|
|
|
static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = {
|
|
{
|
|
.name = "i915_pipe_A_crc",
|
|
.pipe = PIPE_A,
|
|
},
|
|
{
|
|
.name = "i915_pipe_B_crc",
|
|
.pipe = PIPE_B,
|
|
},
|
|
{
|
|
.name = "i915_pipe_C_crc",
|
|
.pipe = PIPE_C,
|
|
},
|
|
};
|
|
|
|
static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor,
|
|
enum pipe pipe)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(minor->dev);
|
|
struct dentry *ent;
|
|
struct pipe_crc_info *info = &i915_pipe_crc_data[pipe];
|
|
|
|
info->dev_priv = dev_priv;
|
|
ent = debugfs_create_file(info->name, S_IRUGO, root, info,
|
|
&i915_pipe_crc_fops);
|
|
if (!ent)
|
|
return -ENOMEM;
|
|
|
|
return drm_add_fake_info_node(minor, ent, info);
|
|
}
|
|
|
|
static const char * const pipe_crc_sources[] = {
|
|
"none",
|
|
"plane1",
|
|
"plane2",
|
|
"pf",
|
|
"pipe",
|
|
"TV",
|
|
"DP-B",
|
|
"DP-C",
|
|
"DP-D",
|
|
"auto",
|
|
};
|
|
|
|
static const char *pipe_crc_source_name(enum intel_pipe_crc_source source)
|
|
{
|
|
BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX);
|
|
return pipe_crc_sources[source];
|
|
}
|
|
|
|
static int display_crc_ctl_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
int i;
|
|
|
|
for (i = 0; i < I915_MAX_PIPES; i++)
|
|
seq_printf(m, "%c %s\n", pipe_name(i),
|
|
pipe_crc_source_name(dev_priv->pipe_crc[i].source));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int display_crc_ctl_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, display_crc_ctl_show, inode->i_private);
|
|
}
|
|
|
|
static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
|
|
uint32_t *val)
|
|
{
|
|
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
|
|
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
|
|
|
|
switch (*source) {
|
|
case INTEL_PIPE_CRC_SOURCE_PIPE:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_NONE:
|
|
*val = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
enum intel_pipe_crc_source *source)
|
|
{
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_encoder *encoder;
|
|
struct intel_crtc *crtc;
|
|
struct intel_digital_port *dig_port;
|
|
int ret = 0;
|
|
|
|
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
for_each_intel_encoder(dev, encoder) {
|
|
if (!encoder->base.crtc)
|
|
continue;
|
|
|
|
crtc = to_intel_crtc(encoder->base.crtc);
|
|
|
|
if (crtc->pipe != pipe)
|
|
continue;
|
|
|
|
switch (encoder->type) {
|
|
case INTEL_OUTPUT_TVOUT:
|
|
*source = INTEL_PIPE_CRC_SOURCE_TV;
|
|
break;
|
|
case INTEL_OUTPUT_DP:
|
|
case INTEL_OUTPUT_EDP:
|
|
dig_port = enc_to_dig_port(&encoder->base);
|
|
switch (dig_port->port) {
|
|
case PORT_B:
|
|
*source = INTEL_PIPE_CRC_SOURCE_DP_B;
|
|
break;
|
|
case PORT_C:
|
|
*source = INTEL_PIPE_CRC_SOURCE_DP_C;
|
|
break;
|
|
case PORT_D:
|
|
*source = INTEL_PIPE_CRC_SOURCE_DP_D;
|
|
break;
|
|
default:
|
|
WARN(1, "nonexisting DP port %c\n",
|
|
port_name(dig_port->port));
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
enum intel_pipe_crc_source *source,
|
|
uint32_t *val)
|
|
{
|
|
bool need_stable_symbols = false;
|
|
|
|
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
|
|
int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
switch (*source) {
|
|
case INTEL_PIPE_CRC_SOURCE_PIPE:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_B:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_C:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_D:
|
|
if (!IS_CHERRYVIEW(dev_priv))
|
|
return -EINVAL;
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_NONE:
|
|
*val = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* When the pipe CRC tap point is after the transcoders we need
|
|
* to tweak symbol-level features to produce a deterministic series of
|
|
* symbols for a given frame. We need to reset those features only once
|
|
* a frame (instead of every nth symbol):
|
|
* - DC-balance: used to ensure a better clock recovery from the data
|
|
* link (SDVO)
|
|
* - DisplayPort scrambling: used for EMI reduction
|
|
*/
|
|
if (need_stable_symbols) {
|
|
uint32_t tmp = I915_READ(PORT_DFT2_G4X);
|
|
|
|
tmp |= DC_BALANCE_RESET_VLV;
|
|
switch (pipe) {
|
|
case PIPE_A:
|
|
tmp |= PIPE_A_SCRAMBLE_RESET;
|
|
break;
|
|
case PIPE_B:
|
|
tmp |= PIPE_B_SCRAMBLE_RESET;
|
|
break;
|
|
case PIPE_C:
|
|
tmp |= PIPE_C_SCRAMBLE_RESET;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
I915_WRITE(PORT_DFT2_G4X, tmp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
enum intel_pipe_crc_source *source,
|
|
uint32_t *val)
|
|
{
|
|
bool need_stable_symbols = false;
|
|
|
|
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
|
|
int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
switch (*source) {
|
|
case INTEL_PIPE_CRC_SOURCE_PIPE:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_TV:
|
|
if (!SUPPORTS_TV(dev_priv))
|
|
return -EINVAL;
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_B:
|
|
if (!IS_G4X(dev_priv))
|
|
return -EINVAL;
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_C:
|
|
if (!IS_G4X(dev_priv))
|
|
return -EINVAL;
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_DP_D:
|
|
if (!IS_G4X(dev_priv))
|
|
return -EINVAL;
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X;
|
|
need_stable_symbols = true;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_NONE:
|
|
*val = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* When the pipe CRC tap point is after the transcoders we need
|
|
* to tweak symbol-level features to produce a deterministic series of
|
|
* symbols for a given frame. We need to reset those features only once
|
|
* a frame (instead of every nth symbol):
|
|
* - DC-balance: used to ensure a better clock recovery from the data
|
|
* link (SDVO)
|
|
* - DisplayPort scrambling: used for EMI reduction
|
|
*/
|
|
if (need_stable_symbols) {
|
|
uint32_t tmp = I915_READ(PORT_DFT2_G4X);
|
|
|
|
WARN_ON(!IS_G4X(dev_priv));
|
|
|
|
I915_WRITE(PORT_DFT_I9XX,
|
|
I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET);
|
|
|
|
if (pipe == PIPE_A)
|
|
tmp |= PIPE_A_SCRAMBLE_RESET;
|
|
else
|
|
tmp |= PIPE_B_SCRAMBLE_RESET;
|
|
|
|
I915_WRITE(PORT_DFT2_G4X, tmp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe)
|
|
{
|
|
uint32_t tmp = I915_READ(PORT_DFT2_G4X);
|
|
|
|
switch (pipe) {
|
|
case PIPE_A:
|
|
tmp &= ~PIPE_A_SCRAMBLE_RESET;
|
|
break;
|
|
case PIPE_B:
|
|
tmp &= ~PIPE_B_SCRAMBLE_RESET;
|
|
break;
|
|
case PIPE_C:
|
|
tmp &= ~PIPE_C_SCRAMBLE_RESET;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
if (!(tmp & PIPE_SCRAMBLE_RESET_MASK))
|
|
tmp &= ~DC_BALANCE_RESET_VLV;
|
|
I915_WRITE(PORT_DFT2_G4X, tmp);
|
|
|
|
}
|
|
|
|
static void g4x_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe)
|
|
{
|
|
uint32_t tmp = I915_READ(PORT_DFT2_G4X);
|
|
|
|
if (pipe == PIPE_A)
|
|
tmp &= ~PIPE_A_SCRAMBLE_RESET;
|
|
else
|
|
tmp &= ~PIPE_B_SCRAMBLE_RESET;
|
|
I915_WRITE(PORT_DFT2_G4X, tmp);
|
|
|
|
if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) {
|
|
I915_WRITE(PORT_DFT_I9XX,
|
|
I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET);
|
|
}
|
|
}
|
|
|
|
static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
|
|
uint32_t *val)
|
|
{
|
|
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
|
|
*source = INTEL_PIPE_CRC_SOURCE_PIPE;
|
|
|
|
switch (*source) {
|
|
case INTEL_PIPE_CRC_SOURCE_PLANE1:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_PLANE2:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_PIPE:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_NONE:
|
|
*val = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hsw_trans_edp_pipe_A_crc_wa(struct drm_i915_private *dev_priv,
|
|
bool enable)
|
|
{
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_crtc *crtc =
|
|
to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]);
|
|
struct intel_crtc_state *pipe_config;
|
|
struct drm_atomic_state *state;
|
|
int ret = 0;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
state = drm_atomic_state_alloc(dev);
|
|
if (!state) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base);
|
|
pipe_config = intel_atomic_get_crtc_state(state, crtc);
|
|
if (IS_ERR(pipe_config)) {
|
|
ret = PTR_ERR(pipe_config);
|
|
goto out;
|
|
}
|
|
|
|
pipe_config->pch_pfit.force_thru = enable;
|
|
if (pipe_config->cpu_transcoder == TRANSCODER_EDP &&
|
|
pipe_config->pch_pfit.enabled != enable)
|
|
pipe_config->base.connectors_changed = true;
|
|
|
|
ret = drm_atomic_commit(state);
|
|
out:
|
|
drm_modeset_unlock_all(dev);
|
|
WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret);
|
|
if (ret)
|
|
drm_atomic_state_free(state);
|
|
}
|
|
|
|
static int ivb_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
enum intel_pipe_crc_source *source,
|
|
uint32_t *val)
|
|
{
|
|
if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
|
|
*source = INTEL_PIPE_CRC_SOURCE_PF;
|
|
|
|
switch (*source) {
|
|
case INTEL_PIPE_CRC_SOURCE_PLANE1:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_PLANE2:
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_PF:
|
|
if (IS_HASWELL(dev_priv) && pipe == PIPE_A)
|
|
hsw_trans_edp_pipe_A_crc_wa(dev_priv, true);
|
|
|
|
*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB;
|
|
break;
|
|
case INTEL_PIPE_CRC_SOURCE_NONE:
|
|
*val = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pipe_crc_set_source(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
enum intel_pipe_crc_source source)
|
|
{
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
|
|
struct intel_crtc *crtc =
|
|
to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe));
|
|
enum intel_display_power_domain power_domain;
|
|
u32 val = 0; /* shut up gcc */
|
|
int ret;
|
|
|
|
if (pipe_crc->source == source)
|
|
return 0;
|
|
|
|
/* forbid changing the source without going back to 'none' */
|
|
if (pipe_crc->source && source)
|
|
return -EINVAL;
|
|
|
|
power_domain = POWER_DOMAIN_PIPE(pipe);
|
|
if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) {
|
|
DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n");
|
|
return -EIO;
|
|
}
|
|
|
|
if (IS_GEN2(dev_priv))
|
|
ret = i8xx_pipe_crc_ctl_reg(&source, &val);
|
|
else if (INTEL_GEN(dev_priv) < 5)
|
|
ret = i9xx_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val);
|
|
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
|
|
ret = vlv_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val);
|
|
else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv))
|
|
ret = ilk_pipe_crc_ctl_reg(&source, &val);
|
|
else
|
|
ret = ivb_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val);
|
|
|
|
if (ret != 0)
|
|
goto out;
|
|
|
|
/* none -> real source transition */
|
|
if (source) {
|
|
struct intel_pipe_crc_entry *entries;
|
|
|
|
DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n",
|
|
pipe_name(pipe), pipe_crc_source_name(source));
|
|
|
|
entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR,
|
|
sizeof(pipe_crc->entries[0]),
|
|
GFP_KERNEL);
|
|
if (!entries) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* When IPS gets enabled, the pipe CRC changes. Since IPS gets
|
|
* enabled and disabled dynamically based on package C states,
|
|
* user space can't make reliable use of the CRCs, so let's just
|
|
* completely disable it.
|
|
*/
|
|
hsw_disable_ips(crtc);
|
|
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
kfree(pipe_crc->entries);
|
|
pipe_crc->entries = entries;
|
|
pipe_crc->head = 0;
|
|
pipe_crc->tail = 0;
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
}
|
|
|
|
pipe_crc->source = source;
|
|
|
|
I915_WRITE(PIPE_CRC_CTL(pipe), val);
|
|
POSTING_READ(PIPE_CRC_CTL(pipe));
|
|
|
|
/* real source -> none transition */
|
|
if (source == INTEL_PIPE_CRC_SOURCE_NONE) {
|
|
struct intel_pipe_crc_entry *entries;
|
|
struct intel_crtc *crtc =
|
|
to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
|
|
|
|
DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
|
|
pipe_name(pipe));
|
|
|
|
drm_modeset_lock(&crtc->base.mutex, NULL);
|
|
if (crtc->base.state->active)
|
|
intel_wait_for_vblank(dev, pipe);
|
|
drm_modeset_unlock(&crtc->base.mutex);
|
|
|
|
spin_lock_irq(&pipe_crc->lock);
|
|
entries = pipe_crc->entries;
|
|
pipe_crc->entries = NULL;
|
|
pipe_crc->head = 0;
|
|
pipe_crc->tail = 0;
|
|
spin_unlock_irq(&pipe_crc->lock);
|
|
|
|
kfree(entries);
|
|
|
|
if (IS_G4X(dev_priv))
|
|
g4x_undo_pipe_scramble_reset(dev_priv, pipe);
|
|
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
|
|
vlv_undo_pipe_scramble_reset(dev_priv, pipe);
|
|
else if (IS_HASWELL(dev_priv) && pipe == PIPE_A)
|
|
hsw_trans_edp_pipe_A_crc_wa(dev_priv, false);
|
|
|
|
hsw_enable_ips(crtc);
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
intel_display_power_put(dev_priv, power_domain);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Parse pipe CRC command strings:
|
|
* command: wsp* object wsp+ name wsp+ source wsp*
|
|
* object: 'pipe'
|
|
* name: (A | B | C)
|
|
* source: (none | plane1 | plane2 | pf)
|
|
* wsp: (#0x20 | #0x9 | #0xA)+
|
|
*
|
|
* eg.:
|
|
* "pipe A plane1" -> Start CRC computations on plane1 of pipe A
|
|
* "pipe A none" -> Stop CRC
|
|
*/
|
|
static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words)
|
|
{
|
|
int n_words = 0;
|
|
|
|
while (*buf) {
|
|
char *end;
|
|
|
|
/* skip leading white space */
|
|
buf = skip_spaces(buf);
|
|
if (!*buf)
|
|
break; /* end of buffer */
|
|
|
|
/* find end of word */
|
|
for (end = buf; *end && !isspace(*end); end++)
|
|
;
|
|
|
|
if (n_words == max_words) {
|
|
DRM_DEBUG_DRIVER("too many words, allowed <= %d\n",
|
|
max_words);
|
|
return -EINVAL; /* ran out of words[] before bytes */
|
|
}
|
|
|
|
if (*end)
|
|
*end++ = '\0';
|
|
words[n_words++] = buf;
|
|
buf = end;
|
|
}
|
|
|
|
return n_words;
|
|
}
|
|
|
|
enum intel_pipe_crc_object {
|
|
PIPE_CRC_OBJECT_PIPE,
|
|
};
|
|
|
|
static const char * const pipe_crc_objects[] = {
|
|
"pipe",
|
|
};
|
|
|
|
static int
|
|
display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++)
|
|
if (!strcmp(buf, pipe_crc_objects[i])) {
|
|
*o = i;
|
|
return 0;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe)
|
|
{
|
|
const char name = buf[0];
|
|
|
|
if (name < 'A' || name >= pipe_name(I915_MAX_PIPES))
|
|
return -EINVAL;
|
|
|
|
*pipe = name - 'A';
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++)
|
|
if (!strcmp(buf, pipe_crc_sources[i])) {
|
|
*s = i;
|
|
return 0;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int display_crc_ctl_parse(struct drm_i915_private *dev_priv,
|
|
char *buf, size_t len)
|
|
{
|
|
#define N_WORDS 3
|
|
int n_words;
|
|
char *words[N_WORDS];
|
|
enum pipe pipe;
|
|
enum intel_pipe_crc_object object;
|
|
enum intel_pipe_crc_source source;
|
|
|
|
n_words = display_crc_ctl_tokenize(buf, words, N_WORDS);
|
|
if (n_words != N_WORDS) {
|
|
DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n",
|
|
N_WORDS);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (display_crc_ctl_parse_object(words[0], &object) < 0) {
|
|
DRM_DEBUG_DRIVER("unknown object %s\n", words[0]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) {
|
|
DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (display_crc_ctl_parse_source(words[2], &source) < 0) {
|
|
DRM_DEBUG_DRIVER("unknown source %s\n", words[2]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return pipe_crc_set_source(dev_priv, pipe, source);
|
|
}
|
|
|
|
static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf,
|
|
size_t len, loff_t *offp)
|
|
{
|
|
struct seq_file *m = file->private_data;
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
char *tmpbuf;
|
|
int ret;
|
|
|
|
if (len == 0)
|
|
return 0;
|
|
|
|
if (len > PAGE_SIZE - 1) {
|
|
DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n",
|
|
PAGE_SIZE);
|
|
return -E2BIG;
|
|
}
|
|
|
|
tmpbuf = kmalloc(len + 1, GFP_KERNEL);
|
|
if (!tmpbuf)
|
|
return -ENOMEM;
|
|
|
|
if (copy_from_user(tmpbuf, ubuf, len)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
tmpbuf[len] = '\0';
|
|
|
|
ret = display_crc_ctl_parse(dev_priv, tmpbuf, len);
|
|
|
|
out:
|
|
kfree(tmpbuf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
*offp += len;
|
|
return len;
|
|
}
|
|
|
|
static const struct file_operations i915_display_crc_ctl_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = display_crc_ctl_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = display_crc_ctl_write
|
|
};
|
|
|
|
static ssize_t i915_displayport_test_active_write(struct file *file,
|
|
const char __user *ubuf,
|
|
size_t len, loff_t *offp)
|
|
{
|
|
char *input_buffer;
|
|
int status = 0;
|
|
struct drm_device *dev;
|
|
struct drm_connector *connector;
|
|
struct list_head *connector_list;
|
|
struct intel_dp *intel_dp;
|
|
int val = 0;
|
|
|
|
dev = ((struct seq_file *)file->private_data)->private;
|
|
|
|
connector_list = &dev->mode_config.connector_list;
|
|
|
|
if (len == 0)
|
|
return 0;
|
|
|
|
input_buffer = kmalloc(len + 1, GFP_KERNEL);
|
|
if (!input_buffer)
|
|
return -ENOMEM;
|
|
|
|
if (copy_from_user(input_buffer, ubuf, len)) {
|
|
status = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
input_buffer[len] = '\0';
|
|
DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len);
|
|
|
|
list_for_each_entry(connector, connector_list, head) {
|
|
if (connector->connector_type !=
|
|
DRM_MODE_CONNECTOR_DisplayPort)
|
|
continue;
|
|
|
|
if (connector->status == connector_status_connected &&
|
|
connector->encoder != NULL) {
|
|
intel_dp = enc_to_intel_dp(connector->encoder);
|
|
status = kstrtoint(input_buffer, 10, &val);
|
|
if (status < 0)
|
|
goto out;
|
|
DRM_DEBUG_DRIVER("Got %d for test active\n", val);
|
|
/* To prevent erroneous activation of the compliance
|
|
* testing code, only accept an actual value of 1 here
|
|
*/
|
|
if (val == 1)
|
|
intel_dp->compliance_test_active = 1;
|
|
else
|
|
intel_dp->compliance_test_active = 0;
|
|
}
|
|
}
|
|
out:
|
|
kfree(input_buffer);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
*offp += len;
|
|
return len;
|
|
}
|
|
|
|
static int i915_displayport_test_active_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_device *dev = m->private;
|
|
struct drm_connector *connector;
|
|
struct list_head *connector_list = &dev->mode_config.connector_list;
|
|
struct intel_dp *intel_dp;
|
|
|
|
list_for_each_entry(connector, connector_list, head) {
|
|
if (connector->connector_type !=
|
|
DRM_MODE_CONNECTOR_DisplayPort)
|
|
continue;
|
|
|
|
if (connector->status == connector_status_connected &&
|
|
connector->encoder != NULL) {
|
|
intel_dp = enc_to_intel_dp(connector->encoder);
|
|
if (intel_dp->compliance_test_active)
|
|
seq_puts(m, "1");
|
|
else
|
|
seq_puts(m, "0");
|
|
} else
|
|
seq_puts(m, "0");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_displayport_test_active_open(struct inode *inode,
|
|
struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
return single_open(file, i915_displayport_test_active_show,
|
|
&dev_priv->drm);
|
|
}
|
|
|
|
static const struct file_operations i915_displayport_test_active_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_displayport_test_active_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = i915_displayport_test_active_write
|
|
};
|
|
|
|
static int i915_displayport_test_data_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_device *dev = m->private;
|
|
struct drm_connector *connector;
|
|
struct list_head *connector_list = &dev->mode_config.connector_list;
|
|
struct intel_dp *intel_dp;
|
|
|
|
list_for_each_entry(connector, connector_list, head) {
|
|
if (connector->connector_type !=
|
|
DRM_MODE_CONNECTOR_DisplayPort)
|
|
continue;
|
|
|
|
if (connector->status == connector_status_connected &&
|
|
connector->encoder != NULL) {
|
|
intel_dp = enc_to_intel_dp(connector->encoder);
|
|
seq_printf(m, "%lx", intel_dp->compliance_test_data);
|
|
} else
|
|
seq_puts(m, "0");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
static int i915_displayport_test_data_open(struct inode *inode,
|
|
struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
return single_open(file, i915_displayport_test_data_show,
|
|
&dev_priv->drm);
|
|
}
|
|
|
|
static const struct file_operations i915_displayport_test_data_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_displayport_test_data_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release
|
|
};
|
|
|
|
static int i915_displayport_test_type_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_device *dev = m->private;
|
|
struct drm_connector *connector;
|
|
struct list_head *connector_list = &dev->mode_config.connector_list;
|
|
struct intel_dp *intel_dp;
|
|
|
|
list_for_each_entry(connector, connector_list, head) {
|
|
if (connector->connector_type !=
|
|
DRM_MODE_CONNECTOR_DisplayPort)
|
|
continue;
|
|
|
|
if (connector->status == connector_status_connected &&
|
|
connector->encoder != NULL) {
|
|
intel_dp = enc_to_intel_dp(connector->encoder);
|
|
seq_printf(m, "%02lx", intel_dp->compliance_test_type);
|
|
} else
|
|
seq_puts(m, "0");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_displayport_test_type_open(struct inode *inode,
|
|
struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
return single_open(file, i915_displayport_test_type_show,
|
|
&dev_priv->drm);
|
|
}
|
|
|
|
static const struct file_operations i915_displayport_test_type_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_displayport_test_type_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release
|
|
};
|
|
|
|
static void wm_latency_show(struct seq_file *m, const uint16_t wm[8])
|
|
{
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int level;
|
|
int num_levels;
|
|
|
|
if (IS_CHERRYVIEW(dev_priv))
|
|
num_levels = 3;
|
|
else if (IS_VALLEYVIEW(dev_priv))
|
|
num_levels = 1;
|
|
else
|
|
num_levels = ilk_wm_max_level(dev) + 1;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
|
|
for (level = 0; level < num_levels; level++) {
|
|
unsigned int latency = wm[level];
|
|
|
|
/*
|
|
* - WM1+ latency values in 0.5us units
|
|
* - latencies are in us on gen9/vlv/chv
|
|
*/
|
|
if (INTEL_GEN(dev_priv) >= 9 || IS_VALLEYVIEW(dev_priv) ||
|
|
IS_CHERRYVIEW(dev_priv))
|
|
latency *= 10;
|
|
else if (level > 0)
|
|
latency *= 5;
|
|
|
|
seq_printf(m, "WM%d %u (%u.%u usec)\n",
|
|
level, wm[level], latency / 10, latency % 10);
|
|
}
|
|
|
|
drm_modeset_unlock_all(dev);
|
|
}
|
|
|
|
static int pri_wm_latency_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
const uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.pri_latency;
|
|
|
|
wm_latency_show(m, latencies);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int spr_wm_latency_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
const uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.spr_latency;
|
|
|
|
wm_latency_show(m, latencies);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cur_wm_latency_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
const uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.cur_latency;
|
|
|
|
wm_latency_show(m, latencies);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pri_wm_latency_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
if (INTEL_GEN(dev_priv) < 5)
|
|
return -ENODEV;
|
|
|
|
return single_open(file, pri_wm_latency_show, dev_priv);
|
|
}
|
|
|
|
static int spr_wm_latency_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
if (HAS_GMCH_DISPLAY(dev_priv))
|
|
return -ENODEV;
|
|
|
|
return single_open(file, spr_wm_latency_show, dev_priv);
|
|
}
|
|
|
|
static int cur_wm_latency_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
if (HAS_GMCH_DISPLAY(dev_priv))
|
|
return -ENODEV;
|
|
|
|
return single_open(file, cur_wm_latency_show, dev_priv);
|
|
}
|
|
|
|
static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
|
|
size_t len, loff_t *offp, uint16_t wm[8])
|
|
{
|
|
struct seq_file *m = file->private_data;
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
uint16_t new[8] = { 0 };
|
|
int num_levels;
|
|
int level;
|
|
int ret;
|
|
char tmp[32];
|
|
|
|
if (IS_CHERRYVIEW(dev_priv))
|
|
num_levels = 3;
|
|
else if (IS_VALLEYVIEW(dev_priv))
|
|
num_levels = 1;
|
|
else
|
|
num_levels = ilk_wm_max_level(dev) + 1;
|
|
|
|
if (len >= sizeof(tmp))
|
|
return -EINVAL;
|
|
|
|
if (copy_from_user(tmp, ubuf, len))
|
|
return -EFAULT;
|
|
|
|
tmp[len] = '\0';
|
|
|
|
ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
|
|
&new[0], &new[1], &new[2], &new[3],
|
|
&new[4], &new[5], &new[6], &new[7]);
|
|
if (ret != num_levels)
|
|
return -EINVAL;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
|
|
for (level = 0; level < num_levels; level++)
|
|
wm[level] = new[level];
|
|
|
|
drm_modeset_unlock_all(dev);
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
|
|
size_t len, loff_t *offp)
|
|
{
|
|
struct seq_file *m = file->private_data;
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.pri_latency;
|
|
|
|
return wm_latency_write(file, ubuf, len, offp, latencies);
|
|
}
|
|
|
|
static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
|
|
size_t len, loff_t *offp)
|
|
{
|
|
struct seq_file *m = file->private_data;
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.spr_latency;
|
|
|
|
return wm_latency_write(file, ubuf, len, offp, latencies);
|
|
}
|
|
|
|
static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
|
|
size_t len, loff_t *offp)
|
|
{
|
|
struct seq_file *m = file->private_data;
|
|
struct drm_i915_private *dev_priv = m->private;
|
|
uint16_t *latencies;
|
|
|
|
if (INTEL_GEN(dev_priv) >= 9)
|
|
latencies = dev_priv->wm.skl_latency;
|
|
else
|
|
latencies = dev_priv->wm.cur_latency;
|
|
|
|
return wm_latency_write(file, ubuf, len, offp, latencies);
|
|
}
|
|
|
|
static const struct file_operations i915_pri_wm_latency_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = pri_wm_latency_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = pri_wm_latency_write
|
|
};
|
|
|
|
static const struct file_operations i915_spr_wm_latency_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = spr_wm_latency_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = spr_wm_latency_write
|
|
};
|
|
|
|
static const struct file_operations i915_cur_wm_latency_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = cur_wm_latency_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = cur_wm_latency_write
|
|
};
|
|
|
|
static int
|
|
i915_wedged_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
*val = i915_terminally_wedged(&dev_priv->gpu_error);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_wedged_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
/*
|
|
* There is no safeguard against this debugfs entry colliding
|
|
* with the hangcheck calling same i915_handle_error() in
|
|
* parallel, causing an explosion. For now we assume that the
|
|
* test harness is responsible enough not to inject gpu hangs
|
|
* while it is writing to 'i915_wedged'
|
|
*/
|
|
|
|
if (i915_reset_in_progress(&dev_priv->gpu_error))
|
|
return -EAGAIN;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
i915_handle_error(dev_priv, val,
|
|
"Manually setting wedged to %llu", val);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
|
|
i915_wedged_get, i915_wedged_set,
|
|
"%llu\n");
|
|
|
|
static int
|
|
i915_ring_missed_irq_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
*val = dev_priv->gpu_error.missed_irq_rings;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_ring_missed_irq_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int ret;
|
|
|
|
/* Lock against concurrent debugfs callers */
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
dev_priv->gpu_error.missed_irq_rings = val;
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops,
|
|
i915_ring_missed_irq_get, i915_ring_missed_irq_set,
|
|
"0x%08llx\n");
|
|
|
|
static int
|
|
i915_ring_test_irq_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
*val = dev_priv->gpu_error.test_irq_rings;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_ring_test_irq_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
val &= INTEL_INFO(dev_priv)->ring_mask;
|
|
DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val);
|
|
dev_priv->gpu_error.test_irq_rings = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops,
|
|
i915_ring_test_irq_get, i915_ring_test_irq_set,
|
|
"0x%08llx\n");
|
|
|
|
#define DROP_UNBOUND 0x1
|
|
#define DROP_BOUND 0x2
|
|
#define DROP_RETIRE 0x4
|
|
#define DROP_ACTIVE 0x8
|
|
#define DROP_ALL (DROP_UNBOUND | \
|
|
DROP_BOUND | \
|
|
DROP_RETIRE | \
|
|
DROP_ACTIVE)
|
|
static int
|
|
i915_drop_caches_get(void *data, u64 *val)
|
|
{
|
|
*val = DROP_ALL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_drop_caches_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
int ret;
|
|
|
|
DRM_DEBUG("Dropping caches: 0x%08llx\n", val);
|
|
|
|
/* No need to check and wait for gpu resets, only libdrm auto-restarts
|
|
* on ioctls on -EAGAIN. */
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (val & DROP_ACTIVE) {
|
|
ret = i915_gem_wait_for_idle(dev_priv,
|
|
I915_WAIT_INTERRUPTIBLE |
|
|
I915_WAIT_LOCKED);
|
|
if (ret)
|
|
goto unlock;
|
|
}
|
|
|
|
if (val & (DROP_RETIRE | DROP_ACTIVE))
|
|
i915_gem_retire_requests(dev_priv);
|
|
|
|
if (val & DROP_BOUND)
|
|
i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND);
|
|
|
|
if (val & DROP_UNBOUND)
|
|
i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND);
|
|
|
|
unlock:
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops,
|
|
i915_drop_caches_get, i915_drop_caches_set,
|
|
"0x%08llx\n");
|
|
|
|
static int
|
|
i915_max_freq_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return -ENODEV;
|
|
|
|
*val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_max_freq_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
u32 hw_max, hw_min;
|
|
int ret;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return -ENODEV;
|
|
|
|
DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val);
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/*
|
|
* Turbo will still be enabled, but won't go above the set value.
|
|
*/
|
|
val = intel_freq_opcode(dev_priv, val);
|
|
|
|
hw_max = dev_priv->rps.max_freq;
|
|
hw_min = dev_priv->rps.min_freq;
|
|
|
|
if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) {
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_priv->rps.max_freq_softlimit = val;
|
|
|
|
intel_set_rps(dev_priv, val);
|
|
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops,
|
|
i915_max_freq_get, i915_max_freq_set,
|
|
"%llu\n");
|
|
|
|
static int
|
|
i915_min_freq_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return -ENODEV;
|
|
|
|
*val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_min_freq_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
u32 hw_max, hw_min;
|
|
int ret;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return -ENODEV;
|
|
|
|
DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val);
|
|
|
|
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/*
|
|
* Turbo will still be enabled, but won't go below the set value.
|
|
*/
|
|
val = intel_freq_opcode(dev_priv, val);
|
|
|
|
hw_max = dev_priv->rps.max_freq;
|
|
hw_min = dev_priv->rps.min_freq;
|
|
|
|
if (val < hw_min ||
|
|
val > hw_max || val > dev_priv->rps.max_freq_softlimit) {
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_priv->rps.min_freq_softlimit = val;
|
|
|
|
intel_set_rps(dev_priv, val);
|
|
|
|
mutex_unlock(&dev_priv->rps.hw_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops,
|
|
i915_min_freq_get, i915_min_freq_set,
|
|
"%llu\n");
|
|
|
|
static int
|
|
i915_cache_sharing_get(void *data, u64 *val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
u32 snpcr;
|
|
int ret;
|
|
|
|
if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv)))
|
|
return -ENODEV;
|
|
|
|
ret = mutex_lock_interruptible(&dev->struct_mutex);
|
|
if (ret)
|
|
return ret;
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
*val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
i915_cache_sharing_set(void *data, u64 val)
|
|
{
|
|
struct drm_i915_private *dev_priv = data;
|
|
u32 snpcr;
|
|
|
|
if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv)))
|
|
return -ENODEV;
|
|
|
|
if (val > 3)
|
|
return -EINVAL;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val);
|
|
|
|
/* Update the cache sharing policy here as well */
|
|
snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
|
|
snpcr &= ~GEN6_MBC_SNPCR_MASK;
|
|
snpcr |= (val << GEN6_MBC_SNPCR_SHIFT);
|
|
I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr);
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops,
|
|
i915_cache_sharing_get, i915_cache_sharing_set,
|
|
"%llu\n");
|
|
|
|
static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv,
|
|
struct sseu_dev_info *sseu)
|
|
{
|
|
int ss_max = 2;
|
|
int ss;
|
|
u32 sig1[ss_max], sig2[ss_max];
|
|
|
|
sig1[0] = I915_READ(CHV_POWER_SS0_SIG1);
|
|
sig1[1] = I915_READ(CHV_POWER_SS1_SIG1);
|
|
sig2[0] = I915_READ(CHV_POWER_SS0_SIG2);
|
|
sig2[1] = I915_READ(CHV_POWER_SS1_SIG2);
|
|
|
|
for (ss = 0; ss < ss_max; ss++) {
|
|
unsigned int eu_cnt;
|
|
|
|
if (sig1[ss] & CHV_SS_PG_ENABLE)
|
|
/* skip disabled subslice */
|
|
continue;
|
|
|
|
sseu->slice_mask = BIT(0);
|
|
sseu->subslice_mask |= BIT(ss);
|
|
eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) +
|
|
((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) +
|
|
((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) +
|
|
((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2);
|
|
sseu->eu_total += eu_cnt;
|
|
sseu->eu_per_subslice = max_t(unsigned int,
|
|
sseu->eu_per_subslice, eu_cnt);
|
|
}
|
|
}
|
|
|
|
static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
|
|
struct sseu_dev_info *sseu)
|
|
{
|
|
int s_max = 3, ss_max = 4;
|
|
int s, ss;
|
|
u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2];
|
|
|
|
/* BXT has a single slice and at most 3 subslices. */
|
|
if (IS_BROXTON(dev_priv)) {
|
|
s_max = 1;
|
|
ss_max = 3;
|
|
}
|
|
|
|
for (s = 0; s < s_max; s++) {
|
|
s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
|
|
eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
|
|
eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
|
|
}
|
|
|
|
eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK |
|
|
GEN9_PGCTL_SSA_EU19_ACK |
|
|
GEN9_PGCTL_SSA_EU210_ACK |
|
|
GEN9_PGCTL_SSA_EU311_ACK;
|
|
eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK |
|
|
GEN9_PGCTL_SSB_EU19_ACK |
|
|
GEN9_PGCTL_SSB_EU210_ACK |
|
|
GEN9_PGCTL_SSB_EU311_ACK;
|
|
|
|
for (s = 0; s < s_max; s++) {
|
|
if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
|
|
/* skip disabled slice */
|
|
continue;
|
|
|
|
sseu->slice_mask |= BIT(s);
|
|
|
|
if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
|
|
sseu->subslice_mask =
|
|
INTEL_INFO(dev_priv)->sseu.subslice_mask;
|
|
|
|
for (ss = 0; ss < ss_max; ss++) {
|
|
unsigned int eu_cnt;
|
|
|
|
if (IS_BROXTON(dev_priv)) {
|
|
if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
|
|
/* skip disabled subslice */
|
|
continue;
|
|
|
|
sseu->subslice_mask |= BIT(ss);
|
|
}
|
|
|
|
eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] &
|
|
eu_mask[ss%2]);
|
|
sseu->eu_total += eu_cnt;
|
|
sseu->eu_per_subslice = max_t(unsigned int,
|
|
sseu->eu_per_subslice,
|
|
eu_cnt);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv,
|
|
struct sseu_dev_info *sseu)
|
|
{
|
|
u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO);
|
|
int s;
|
|
|
|
sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK;
|
|
|
|
if (sseu->slice_mask) {
|
|
sseu->subslice_mask = INTEL_INFO(dev_priv)->sseu.subslice_mask;
|
|
sseu->eu_per_subslice =
|
|
INTEL_INFO(dev_priv)->sseu.eu_per_subslice;
|
|
sseu->eu_total = sseu->eu_per_subslice *
|
|
sseu_subslice_total(sseu);
|
|
|
|
/* subtract fused off EU(s) from enabled slice(s) */
|
|
for (s = 0; s < fls(sseu->slice_mask); s++) {
|
|
u8 subslice_7eu =
|
|
INTEL_INFO(dev_priv)->sseu.subslice_7eu[s];
|
|
|
|
sseu->eu_total -= hweight8(subslice_7eu);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void i915_print_sseu_info(struct seq_file *m, bool is_available_info,
|
|
const struct sseu_dev_info *sseu)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
const char *type = is_available_info ? "Available" : "Enabled";
|
|
|
|
seq_printf(m, " %s Slice Mask: %04x\n", type,
|
|
sseu->slice_mask);
|
|
seq_printf(m, " %s Slice Total: %u\n", type,
|
|
hweight8(sseu->slice_mask));
|
|
seq_printf(m, " %s Subslice Total: %u\n", type,
|
|
sseu_subslice_total(sseu));
|
|
seq_printf(m, " %s Subslice Mask: %04x\n", type,
|
|
sseu->subslice_mask);
|
|
seq_printf(m, " %s Subslice Per Slice: %u\n", type,
|
|
hweight8(sseu->subslice_mask));
|
|
seq_printf(m, " %s EU Total: %u\n", type,
|
|
sseu->eu_total);
|
|
seq_printf(m, " %s EU Per Subslice: %u\n", type,
|
|
sseu->eu_per_subslice);
|
|
|
|
if (!is_available_info)
|
|
return;
|
|
|
|
seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv)));
|
|
if (HAS_POOLED_EU(dev_priv))
|
|
seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool);
|
|
|
|
seq_printf(m, " Has Slice Power Gating: %s\n",
|
|
yesno(sseu->has_slice_pg));
|
|
seq_printf(m, " Has Subslice Power Gating: %s\n",
|
|
yesno(sseu->has_subslice_pg));
|
|
seq_printf(m, " Has EU Power Gating: %s\n",
|
|
yesno(sseu->has_eu_pg));
|
|
}
|
|
|
|
static int i915_sseu_status(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_i915_private *dev_priv = node_to_i915(m->private);
|
|
struct sseu_dev_info sseu;
|
|
|
|
if (INTEL_GEN(dev_priv) < 8)
|
|
return -ENODEV;
|
|
|
|
seq_puts(m, "SSEU Device Info\n");
|
|
i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu);
|
|
|
|
seq_puts(m, "SSEU Device Status\n");
|
|
memset(&sseu, 0, sizeof(sseu));
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
|
|
if (IS_CHERRYVIEW(dev_priv)) {
|
|
cherryview_sseu_device_status(dev_priv, &sseu);
|
|
} else if (IS_BROADWELL(dev_priv)) {
|
|
broadwell_sseu_device_status(dev_priv, &sseu);
|
|
} else if (INTEL_GEN(dev_priv) >= 9) {
|
|
gen9_sseu_device_status(dev_priv, &sseu);
|
|
}
|
|
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
i915_print_sseu_info(m, false, &sseu);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_forcewake_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return 0;
|
|
|
|
intel_runtime_pm_get(dev_priv);
|
|
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_forcewake_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct drm_i915_private *dev_priv = inode->i_private;
|
|
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
return 0;
|
|
|
|
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
|
|
intel_runtime_pm_put(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct file_operations i915_forcewake_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_forcewake_open,
|
|
.release = i915_forcewake_release,
|
|
};
|
|
|
|
static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
|
|
{
|
|
struct dentry *ent;
|
|
|
|
ent = debugfs_create_file("i915_forcewake_user",
|
|
S_IRUSR,
|
|
root, to_i915(minor->dev),
|
|
&i915_forcewake_fops);
|
|
if (!ent)
|
|
return -ENOMEM;
|
|
|
|
return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
|
|
}
|
|
|
|
static int i915_debugfs_create(struct dentry *root,
|
|
struct drm_minor *minor,
|
|
const char *name,
|
|
const struct file_operations *fops)
|
|
{
|
|
struct dentry *ent;
|
|
|
|
ent = debugfs_create_file(name,
|
|
S_IRUGO | S_IWUSR,
|
|
root, to_i915(minor->dev),
|
|
fops);
|
|
if (!ent)
|
|
return -ENOMEM;
|
|
|
|
return drm_add_fake_info_node(minor, ent, fops);
|
|
}
|
|
|
|
static const struct drm_info_list i915_debugfs_list[] = {
|
|
{"i915_capabilities", i915_capabilities, 0},
|
|
{"i915_gem_objects", i915_gem_object_info, 0},
|
|
{"i915_gem_gtt", i915_gem_gtt_info, 0},
|
|
{"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1},
|
|
{"i915_gem_stolen", i915_gem_stolen_list_info },
|
|
{"i915_gem_pageflip", i915_gem_pageflip_info, 0},
|
|
{"i915_gem_request", i915_gem_request_info, 0},
|
|
{"i915_gem_seqno", i915_gem_seqno_info, 0},
|
|
{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
|
|
{"i915_gem_interrupt", i915_interrupt_info, 0},
|
|
{"i915_gem_hws", i915_hws_info, 0, (void *)RCS},
|
|
{"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},
|
|
{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
|
|
{"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS},
|
|
{"i915_gem_batch_pool", i915_gem_batch_pool_info, 0},
|
|
{"i915_guc_info", i915_guc_info, 0},
|
|
{"i915_guc_load_status", i915_guc_load_status_info, 0},
|
|
{"i915_guc_log_dump", i915_guc_log_dump, 0},
|
|
{"i915_frequency_info", i915_frequency_info, 0},
|
|
{"i915_hangcheck_info", i915_hangcheck_info, 0},
|
|
{"i915_drpc_info", i915_drpc_info, 0},
|
|
{"i915_emon_status", i915_emon_status, 0},
|
|
{"i915_ring_freq_table", i915_ring_freq_table, 0},
|
|
{"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
|
|
{"i915_fbc_status", i915_fbc_status, 0},
|
|
{"i915_ips_status", i915_ips_status, 0},
|
|
{"i915_sr_status", i915_sr_status, 0},
|
|
{"i915_opregion", i915_opregion, 0},
|
|
{"i915_vbt", i915_vbt, 0},
|
|
{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
|
|
{"i915_context_status", i915_context_status, 0},
|
|
{"i915_dump_lrc", i915_dump_lrc, 0},
|
|
{"i915_execlists", i915_execlists, 0},
|
|
{"i915_forcewake_domains", i915_forcewake_domains, 0},
|
|
{"i915_swizzle_info", i915_swizzle_info, 0},
|
|
{"i915_ppgtt_info", i915_ppgtt_info, 0},
|
|
{"i915_llc", i915_llc, 0},
|
|
{"i915_edp_psr_status", i915_edp_psr_status, 0},
|
|
{"i915_sink_crc_eDP1", i915_sink_crc, 0},
|
|
{"i915_energy_uJ", i915_energy_uJ, 0},
|
|
{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
|
|
{"i915_power_domain_info", i915_power_domain_info, 0},
|
|
{"i915_dmc_info", i915_dmc_info, 0},
|
|
{"i915_display_info", i915_display_info, 0},
|
|
{"i915_semaphore_status", i915_semaphore_status, 0},
|
|
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
|
|
{"i915_dp_mst_info", i915_dp_mst_info, 0},
|
|
{"i915_wa_registers", i915_wa_registers, 0},
|
|
{"i915_ddb_info", i915_ddb_info, 0},
|
|
{"i915_sseu_status", i915_sseu_status, 0},
|
|
{"i915_drrs_status", i915_drrs_status, 0},
|
|
{"i915_rps_boost_info", i915_rps_boost_info, 0},
|
|
};
|
|
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
|
|
|
|
static const struct i915_debugfs_files {
|
|
const char *name;
|
|
const struct file_operations *fops;
|
|
} i915_debugfs_files[] = {
|
|
{"i915_wedged", &i915_wedged_fops},
|
|
{"i915_max_freq", &i915_max_freq_fops},
|
|
{"i915_min_freq", &i915_min_freq_fops},
|
|
{"i915_cache_sharing", &i915_cache_sharing_fops},
|
|
{"i915_ring_missed_irq", &i915_ring_missed_irq_fops},
|
|
{"i915_ring_test_irq", &i915_ring_test_irq_fops},
|
|
{"i915_gem_drop_caches", &i915_drop_caches_fops},
|
|
{"i915_error_state", &i915_error_state_fops},
|
|
{"i915_next_seqno", &i915_next_seqno_fops},
|
|
{"i915_display_crc_ctl", &i915_display_crc_ctl_fops},
|
|
{"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
|
|
{"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
|
|
{"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
|
|
{"i915_fbc_false_color", &i915_fbc_fc_fops},
|
|
{"i915_dp_test_data", &i915_displayport_test_data_fops},
|
|
{"i915_dp_test_type", &i915_displayport_test_type_fops},
|
|
{"i915_dp_test_active", &i915_displayport_test_active_fops}
|
|
};
|
|
|
|
void intel_display_crc_init(struct drm_i915_private *dev_priv)
|
|
{
|
|
enum pipe pipe;
|
|
|
|
for_each_pipe(dev_priv, pipe) {
|
|
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
|
|
|
|
pipe_crc->opened = false;
|
|
spin_lock_init(&pipe_crc->lock);
|
|
init_waitqueue_head(&pipe_crc->wq);
|
|
}
|
|
}
|
|
|
|
int i915_debugfs_register(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct drm_minor *minor = dev_priv->drm.primary;
|
|
int ret, i;
|
|
|
|
ret = i915_forcewake_create(minor->debugfs_root, minor);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
|
|
ret = i915_pipe_crc_create(minor->debugfs_root, minor, i);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
|
|
ret = i915_debugfs_create(minor->debugfs_root, minor,
|
|
i915_debugfs_files[i].name,
|
|
i915_debugfs_files[i].fops);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return drm_debugfs_create_files(i915_debugfs_list,
|
|
I915_DEBUGFS_ENTRIES,
|
|
minor->debugfs_root, minor);
|
|
}
|
|
|
|
void i915_debugfs_unregister(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct drm_minor *minor = dev_priv->drm.primary;
|
|
int i;
|
|
|
|
drm_debugfs_remove_files(i915_debugfs_list,
|
|
I915_DEBUGFS_ENTRIES, minor);
|
|
|
|
drm_debugfs_remove_files((struct drm_info_list *)&i915_forcewake_fops,
|
|
1, minor);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
|
|
struct drm_info_list *info_list =
|
|
(struct drm_info_list *)&i915_pipe_crc_data[i];
|
|
|
|
drm_debugfs_remove_files(info_list, 1, minor);
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
|
|
struct drm_info_list *info_list =
|
|
(struct drm_info_list *)i915_debugfs_files[i].fops;
|
|
|
|
drm_debugfs_remove_files(info_list, 1, minor);
|
|
}
|
|
}
|
|
|
|
struct dpcd_block {
|
|
/* DPCD dump start address. */
|
|
unsigned int offset;
|
|
/* DPCD dump end address, inclusive. If unset, .size will be used. */
|
|
unsigned int end;
|
|
/* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */
|
|
size_t size;
|
|
/* Only valid for eDP. */
|
|
bool edp;
|
|
};
|
|
|
|
static const struct dpcd_block i915_dpcd_debug[] = {
|
|
{ .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE },
|
|
{ .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS },
|
|
{ .offset = DP_DOWNSTREAM_PORT_0, .size = 16 },
|
|
{ .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET },
|
|
{ .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 },
|
|
{ .offset = DP_SET_POWER },
|
|
{ .offset = DP_EDP_DPCD_REV },
|
|
{ .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 },
|
|
{ .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB },
|
|
{ .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET },
|
|
};
|
|
|
|
static int i915_dpcd_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_connector *connector = m->private;
|
|
struct intel_dp *intel_dp =
|
|
enc_to_intel_dp(&intel_attached_encoder(connector)->base);
|
|
uint8_t buf[16];
|
|
ssize_t err;
|
|
int i;
|
|
|
|
if (connector->status != connector_status_connected)
|
|
return -ENODEV;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) {
|
|
const struct dpcd_block *b = &i915_dpcd_debug[i];
|
|
size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1);
|
|
|
|
if (b->edp &&
|
|
connector->connector_type != DRM_MODE_CONNECTOR_eDP)
|
|
continue;
|
|
|
|
/* low tech for now */
|
|
if (WARN_ON(size > sizeof(buf)))
|
|
continue;
|
|
|
|
err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size);
|
|
if (err <= 0) {
|
|
DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
|
|
size, b->offset, err);
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_dpcd_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, i915_dpcd_show, inode->i_private);
|
|
}
|
|
|
|
static const struct file_operations i915_dpcd_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_dpcd_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static int i915_panel_show(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_connector *connector = m->private;
|
|
struct intel_dp *intel_dp =
|
|
enc_to_intel_dp(&intel_attached_encoder(connector)->base);
|
|
|
|
if (connector->status != connector_status_connected)
|
|
return -ENODEV;
|
|
|
|
seq_printf(m, "Panel power up delay: %d\n",
|
|
intel_dp->panel_power_up_delay);
|
|
seq_printf(m, "Panel power down delay: %d\n",
|
|
intel_dp->panel_power_down_delay);
|
|
seq_printf(m, "Backlight on delay: %d\n",
|
|
intel_dp->backlight_on_delay);
|
|
seq_printf(m, "Backlight off delay: %d\n",
|
|
intel_dp->backlight_off_delay);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_panel_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, i915_panel_show, inode->i_private);
|
|
}
|
|
|
|
static const struct file_operations i915_panel_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = i915_panel_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
/**
|
|
* i915_debugfs_connector_add - add i915 specific connector debugfs files
|
|
* @connector: pointer to a registered drm_connector
|
|
*
|
|
* Cleanup will be done by drm_connector_unregister() through a call to
|
|
* drm_debugfs_connector_remove().
|
|
*
|
|
* Returns 0 on success, negative error codes on error.
|
|
*/
|
|
int i915_debugfs_connector_add(struct drm_connector *connector)
|
|
{
|
|
struct dentry *root = connector->debugfs_entry;
|
|
|
|
/* The connector must have been registered beforehands. */
|
|
if (!root)
|
|
return -ENODEV;
|
|
|
|
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
|
|
connector->connector_type == DRM_MODE_CONNECTOR_eDP)
|
|
debugfs_create_file("i915_dpcd", S_IRUGO, root,
|
|
connector, &i915_dpcd_fops);
|
|
|
|
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
|
|
debugfs_create_file("i915_panel_timings", S_IRUGO, root,
|
|
connector, &i915_panel_fops);
|
|
|
|
return 0;
|
|
}
|