mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 16:36:47 +07:00
d5b65efd2b
This function has been unused since commit 5ed0bdf21a ("drm: i915:
Use nsec based interfaces"). Let's remove the definition as well now
to help get rid of all uses of 'timespec'.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180618153855.2126048-1-arnd@arndb.de
3847 lines
117 KiB
C
3847 lines
117 KiB
C
/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
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*/
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _I915_DRV_H_
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#define _I915_DRV_H_
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#include <uapi/drm/i915_drm.h>
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#include <uapi/drm/drm_fourcc.h>
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#include <linux/io-mapping.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/backlight.h>
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#include <linux/hash.h>
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#include <linux/intel-iommu.h>
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#include <linux/kref.h>
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#include <linux/mm_types.h>
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#include <linux/perf_event.h>
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#include <linux/pm_qos.h>
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#include <linux/reservation.h>
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#include <linux/shmem_fs.h>
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#include <drm/drmP.h>
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#include <drm/intel-gtt.h>
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#include <drm/drm_legacy.h> /* for struct drm_dma_handle */
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#include <drm/drm_gem.h>
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#include <drm/drm_auth.h>
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#include <drm/drm_cache.h>
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#include "i915_params.h"
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#include "i915_reg.h"
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#include "i915_utils.h"
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#include "intel_bios.h"
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#include "intel_device_info.h"
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#include "intel_display.h"
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#include "intel_dpll_mgr.h"
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#include "intel_lrc.h"
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#include "intel_opregion.h"
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#include "intel_ringbuffer.h"
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#include "intel_uncore.h"
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#include "intel_wopcm.h"
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#include "intel_uc.h"
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#include "i915_gem.h"
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#include "i915_gem_context.h"
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#include "i915_gem_fence_reg.h"
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#include "i915_gem_object.h"
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#include "i915_gem_gtt.h"
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#include "i915_gpu_error.h"
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#include "i915_request.h"
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#include "i915_scheduler.h"
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#include "i915_timeline.h"
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#include "i915_vma.h"
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#include "intel_gvt.h"
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/* General customization:
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*/
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#define DRIVER_NAME "i915"
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#define DRIVER_DESC "Intel Graphics"
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#define DRIVER_DATE "20180606"
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#define DRIVER_TIMESTAMP 1528323047
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/* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
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* WARN_ON()) for hw state sanity checks to check for unexpected conditions
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* which may not necessarily be a user visible problem. This will either
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* WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
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* enable distros and users to tailor their preferred amount of i915 abrt
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* spam.
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*/
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#define I915_STATE_WARN(condition, format...) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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if (!WARN(i915_modparams.verbose_state_checks, format)) \
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DRM_ERROR(format); \
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unlikely(__ret_warn_on); \
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})
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#define I915_STATE_WARN_ON(x) \
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I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
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#if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
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bool __i915_inject_load_failure(const char *func, int line);
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#define i915_inject_load_failure() \
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__i915_inject_load_failure(__func__, __LINE__)
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bool i915_error_injected(void);
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#else
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#define i915_inject_load_failure() false
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#define i915_error_injected() false
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#endif
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#define i915_load_error(i915, fmt, ...) \
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__i915_printk(i915, i915_error_injected() ? KERN_DEBUG : KERN_ERR, \
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fmt, ##__VA_ARGS__)
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typedef struct {
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uint32_t val;
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} uint_fixed_16_16_t;
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#define FP_16_16_MAX ({ \
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uint_fixed_16_16_t fp; \
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fp.val = UINT_MAX; \
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fp; \
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})
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static inline bool is_fixed16_zero(uint_fixed_16_16_t val)
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{
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if (val.val == 0)
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return true;
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return false;
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}
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static inline uint_fixed_16_16_t u32_to_fixed16(uint32_t val)
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{
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uint_fixed_16_16_t fp;
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WARN_ON(val > U16_MAX);
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fp.val = val << 16;
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return fp;
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}
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static inline uint32_t fixed16_to_u32_round_up(uint_fixed_16_16_t fp)
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{
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return DIV_ROUND_UP(fp.val, 1 << 16);
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}
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static inline uint32_t fixed16_to_u32(uint_fixed_16_16_t fp)
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{
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return fp.val >> 16;
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}
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static inline uint_fixed_16_16_t min_fixed16(uint_fixed_16_16_t min1,
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uint_fixed_16_16_t min2)
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{
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uint_fixed_16_16_t min;
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min.val = min(min1.val, min2.val);
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return min;
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}
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static inline uint_fixed_16_16_t max_fixed16(uint_fixed_16_16_t max1,
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uint_fixed_16_16_t max2)
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{
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uint_fixed_16_16_t max;
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max.val = max(max1.val, max2.val);
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return max;
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}
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static inline uint_fixed_16_16_t clamp_u64_to_fixed16(uint64_t val)
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{
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uint_fixed_16_16_t fp;
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WARN_ON(val > U32_MAX);
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fp.val = (uint32_t) val;
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return fp;
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}
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static inline uint32_t div_round_up_fixed16(uint_fixed_16_16_t val,
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uint_fixed_16_16_t d)
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{
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return DIV_ROUND_UP(val.val, d.val);
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}
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static inline uint32_t mul_round_up_u32_fixed16(uint32_t val,
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uint_fixed_16_16_t mul)
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{
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uint64_t intermediate_val;
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intermediate_val = (uint64_t) val * mul.val;
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intermediate_val = DIV_ROUND_UP_ULL(intermediate_val, 1 << 16);
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WARN_ON(intermediate_val > U32_MAX);
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return (uint32_t) intermediate_val;
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}
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static inline uint_fixed_16_16_t mul_fixed16(uint_fixed_16_16_t val,
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uint_fixed_16_16_t mul)
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{
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uint64_t intermediate_val;
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intermediate_val = (uint64_t) val.val * mul.val;
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intermediate_val = intermediate_val >> 16;
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return clamp_u64_to_fixed16(intermediate_val);
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}
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static inline uint_fixed_16_16_t div_fixed16(uint32_t val, uint32_t d)
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{
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uint64_t interm_val;
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interm_val = (uint64_t)val << 16;
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interm_val = DIV_ROUND_UP_ULL(interm_val, d);
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return clamp_u64_to_fixed16(interm_val);
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}
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static inline uint32_t div_round_up_u32_fixed16(uint32_t val,
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uint_fixed_16_16_t d)
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{
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uint64_t interm_val;
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interm_val = (uint64_t)val << 16;
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interm_val = DIV_ROUND_UP_ULL(interm_val, d.val);
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WARN_ON(interm_val > U32_MAX);
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return (uint32_t) interm_val;
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}
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static inline uint_fixed_16_16_t mul_u32_fixed16(uint32_t val,
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uint_fixed_16_16_t mul)
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{
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uint64_t intermediate_val;
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intermediate_val = (uint64_t) val * mul.val;
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return clamp_u64_to_fixed16(intermediate_val);
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}
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static inline uint_fixed_16_16_t add_fixed16(uint_fixed_16_16_t add1,
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uint_fixed_16_16_t add2)
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{
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uint64_t interm_sum;
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interm_sum = (uint64_t) add1.val + add2.val;
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return clamp_u64_to_fixed16(interm_sum);
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}
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static inline uint_fixed_16_16_t add_fixed16_u32(uint_fixed_16_16_t add1,
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uint32_t add2)
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{
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uint64_t interm_sum;
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uint_fixed_16_16_t interm_add2 = u32_to_fixed16(add2);
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interm_sum = (uint64_t) add1.val + interm_add2.val;
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return clamp_u64_to_fixed16(interm_sum);
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}
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enum hpd_pin {
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HPD_NONE = 0,
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HPD_TV = HPD_NONE, /* TV is known to be unreliable */
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HPD_CRT,
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HPD_SDVO_B,
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HPD_SDVO_C,
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HPD_PORT_A,
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HPD_PORT_B,
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HPD_PORT_C,
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HPD_PORT_D,
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HPD_PORT_E,
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HPD_PORT_F,
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HPD_NUM_PINS
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};
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#define for_each_hpd_pin(__pin) \
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for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
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#define HPD_STORM_DEFAULT_THRESHOLD 5
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struct i915_hotplug {
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struct work_struct hotplug_work;
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struct {
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unsigned long last_jiffies;
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int count;
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enum {
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HPD_ENABLED = 0,
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HPD_DISABLED = 1,
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HPD_MARK_DISABLED = 2
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} state;
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} stats[HPD_NUM_PINS];
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u32 event_bits;
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struct delayed_work reenable_work;
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struct intel_digital_port *irq_port[I915_MAX_PORTS];
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u32 long_port_mask;
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u32 short_port_mask;
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struct work_struct dig_port_work;
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struct work_struct poll_init_work;
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bool poll_enabled;
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unsigned int hpd_storm_threshold;
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/*
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* if we get a HPD irq from DP and a HPD irq from non-DP
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* the non-DP HPD could block the workqueue on a mode config
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* mutex getting, that userspace may have taken. However
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* userspace is waiting on the DP workqueue to run which is
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* blocked behind the non-DP one.
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*/
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struct workqueue_struct *dp_wq;
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};
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#define I915_GEM_GPU_DOMAINS \
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(I915_GEM_DOMAIN_RENDER | \
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I915_GEM_DOMAIN_SAMPLER | \
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I915_GEM_DOMAIN_COMMAND | \
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I915_GEM_DOMAIN_INSTRUCTION | \
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I915_GEM_DOMAIN_VERTEX)
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struct drm_i915_private;
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struct i915_mm_struct;
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struct i915_mmu_object;
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struct drm_i915_file_private {
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struct drm_i915_private *dev_priv;
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struct drm_file *file;
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struct {
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spinlock_t lock;
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struct list_head request_list;
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/* 20ms is a fairly arbitrary limit (greater than the average frame time)
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* chosen to prevent the CPU getting more than a frame ahead of the GPU
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* (when using lax throttling for the frontbuffer). We also use it to
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* offer free GPU waitboosts for severely congested workloads.
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*/
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#define DRM_I915_THROTTLE_JIFFIES msecs_to_jiffies(20)
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} mm;
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struct idr context_idr;
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struct intel_rps_client {
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atomic_t boosts;
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} rps_client;
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unsigned int bsd_engine;
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/*
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* Every context ban increments per client ban score. Also
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* hangs in short succession increments ban score. If ban threshold
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* is reached, client is considered banned and submitting more work
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* will fail. This is a stop gap measure to limit the badly behaving
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* clients access to gpu. Note that unbannable contexts never increment
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* the client ban score.
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*/
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#define I915_CLIENT_SCORE_HANG_FAST 1
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#define I915_CLIENT_FAST_HANG_JIFFIES (60 * HZ)
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#define I915_CLIENT_SCORE_CONTEXT_BAN 3
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#define I915_CLIENT_SCORE_BANNED 9
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/** ban_score: Accumulated score of all ctx bans and fast hangs. */
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atomic_t ban_score;
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unsigned long hang_timestamp;
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};
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/* Interface history:
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*
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* 1.1: Original.
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* 1.2: Add Power Management
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* 1.3: Add vblank support
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* 1.4: Fix cmdbuffer path, add heap destroy
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* 1.5: Add vblank pipe configuration
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* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
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* - Support vertical blank on secondary display pipe
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*/
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 6
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#define DRIVER_PATCHLEVEL 0
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struct intel_overlay;
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struct intel_overlay_error_state;
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struct sdvo_device_mapping {
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u8 initialized;
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u8 dvo_port;
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u8 slave_addr;
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u8 dvo_wiring;
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u8 i2c_pin;
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u8 ddc_pin;
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};
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struct intel_connector;
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struct intel_encoder;
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struct intel_atomic_state;
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struct intel_crtc_state;
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struct intel_initial_plane_config;
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struct intel_crtc;
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struct intel_limit;
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struct dpll;
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struct intel_cdclk_state;
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struct drm_i915_display_funcs {
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void (*get_cdclk)(struct drm_i915_private *dev_priv,
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struct intel_cdclk_state *cdclk_state);
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void (*set_cdclk)(struct drm_i915_private *dev_priv,
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const struct intel_cdclk_state *cdclk_state);
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int (*get_fifo_size)(struct drm_i915_private *dev_priv,
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enum i9xx_plane_id i9xx_plane);
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int (*compute_pipe_wm)(struct intel_crtc_state *cstate);
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int (*compute_intermediate_wm)(struct drm_device *dev,
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struct intel_crtc *intel_crtc,
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struct intel_crtc_state *newstate);
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void (*initial_watermarks)(struct intel_atomic_state *state,
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struct intel_crtc_state *cstate);
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void (*atomic_update_watermarks)(struct intel_atomic_state *state,
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struct intel_crtc_state *cstate);
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void (*optimize_watermarks)(struct intel_atomic_state *state,
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struct intel_crtc_state *cstate);
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int (*compute_global_watermarks)(struct drm_atomic_state *state);
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void (*update_wm)(struct intel_crtc *crtc);
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int (*modeset_calc_cdclk)(struct drm_atomic_state *state);
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/* Returns the active state of the crtc, and if the crtc is active,
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* fills out the pipe-config with the hw state. */
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bool (*get_pipe_config)(struct intel_crtc *,
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struct intel_crtc_state *);
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void (*get_initial_plane_config)(struct intel_crtc *,
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struct intel_initial_plane_config *);
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int (*crtc_compute_clock)(struct intel_crtc *crtc,
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struct intel_crtc_state *crtc_state);
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void (*crtc_enable)(struct intel_crtc_state *pipe_config,
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struct drm_atomic_state *old_state);
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void (*crtc_disable)(struct intel_crtc_state *old_crtc_state,
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struct drm_atomic_state *old_state);
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void (*update_crtcs)(struct drm_atomic_state *state);
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void (*audio_codec_enable)(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void (*audio_codec_disable)(struct intel_encoder *encoder,
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const struct intel_crtc_state *old_crtc_state,
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const struct drm_connector_state *old_conn_state);
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void (*fdi_link_train)(struct intel_crtc *crtc,
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const struct intel_crtc_state *crtc_state);
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void (*init_clock_gating)(struct drm_i915_private *dev_priv);
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void (*hpd_irq_setup)(struct drm_i915_private *dev_priv);
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/* clock updates for mode set */
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/* cursor updates */
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/* render clock increase/decrease */
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/* display clock increase/decrease */
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/* pll clock increase/decrease */
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void (*load_csc_matrix)(struct drm_crtc_state *crtc_state);
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void (*load_luts)(struct drm_crtc_state *crtc_state);
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};
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#define CSR_VERSION(major, minor) ((major) << 16 | (minor))
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#define CSR_VERSION_MAJOR(version) ((version) >> 16)
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#define CSR_VERSION_MINOR(version) ((version) & 0xffff)
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struct intel_csr {
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struct work_struct work;
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const char *fw_path;
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uint32_t *dmc_payload;
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uint32_t dmc_fw_size;
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uint32_t version;
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|
uint32_t mmio_count;
|
|
i915_reg_t mmioaddr[8];
|
|
uint32_t mmiodata[8];
|
|
uint32_t dc_state;
|
|
uint32_t allowed_dc_mask;
|
|
};
|
|
|
|
enum i915_cache_level {
|
|
I915_CACHE_NONE = 0,
|
|
I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
|
|
I915_CACHE_L3_LLC, /* gen7+, L3 sits between the domain specifc
|
|
caches, eg sampler/render caches, and the
|
|
large Last-Level-Cache. LLC is coherent with
|
|
the CPU, but L3 is only visible to the GPU. */
|
|
I915_CACHE_WT, /* hsw:gt3e WriteThrough for scanouts */
|
|
};
|
|
|
|
#define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */
|
|
|
|
enum fb_op_origin {
|
|
ORIGIN_GTT,
|
|
ORIGIN_CPU,
|
|
ORIGIN_CS,
|
|
ORIGIN_FLIP,
|
|
ORIGIN_DIRTYFB,
|
|
};
|
|
|
|
struct intel_fbc {
|
|
/* This is always the inner lock when overlapping with struct_mutex and
|
|
* it's the outer lock when overlapping with stolen_lock. */
|
|
struct mutex lock;
|
|
unsigned threshold;
|
|
unsigned int possible_framebuffer_bits;
|
|
unsigned int busy_bits;
|
|
unsigned int visible_pipes_mask;
|
|
struct intel_crtc *crtc;
|
|
|
|
struct drm_mm_node compressed_fb;
|
|
struct drm_mm_node *compressed_llb;
|
|
|
|
bool false_color;
|
|
|
|
bool enabled;
|
|
bool active;
|
|
|
|
bool underrun_detected;
|
|
struct work_struct underrun_work;
|
|
|
|
/*
|
|
* Due to the atomic rules we can't access some structures without the
|
|
* appropriate locking, so we cache information here in order to avoid
|
|
* these problems.
|
|
*/
|
|
struct intel_fbc_state_cache {
|
|
struct i915_vma *vma;
|
|
unsigned long flags;
|
|
|
|
struct {
|
|
unsigned int mode_flags;
|
|
uint32_t hsw_bdw_pixel_rate;
|
|
} crtc;
|
|
|
|
struct {
|
|
unsigned int rotation;
|
|
int src_w;
|
|
int src_h;
|
|
bool visible;
|
|
/*
|
|
* Display surface base address adjustement for
|
|
* pageflips. Note that on gen4+ this only adjusts up
|
|
* to a tile, offsets within a tile are handled in
|
|
* the hw itself (with the TILEOFF register).
|
|
*/
|
|
int adjusted_x;
|
|
int adjusted_y;
|
|
|
|
int y;
|
|
} plane;
|
|
|
|
struct {
|
|
const struct drm_format_info *format;
|
|
unsigned int stride;
|
|
} fb;
|
|
} state_cache;
|
|
|
|
/*
|
|
* This structure contains everything that's relevant to program the
|
|
* hardware registers. When we want to figure out if we need to disable
|
|
* and re-enable FBC for a new configuration we just check if there's
|
|
* something different in the struct. The genx_fbc_activate functions
|
|
* are supposed to read from it in order to program the registers.
|
|
*/
|
|
struct intel_fbc_reg_params {
|
|
struct i915_vma *vma;
|
|
unsigned long flags;
|
|
|
|
struct {
|
|
enum pipe pipe;
|
|
enum i9xx_plane_id i9xx_plane;
|
|
unsigned int fence_y_offset;
|
|
} crtc;
|
|
|
|
struct {
|
|
const struct drm_format_info *format;
|
|
unsigned int stride;
|
|
} fb;
|
|
|
|
int cfb_size;
|
|
unsigned int gen9_wa_cfb_stride;
|
|
} params;
|
|
|
|
struct intel_fbc_work {
|
|
bool scheduled;
|
|
u64 scheduled_vblank;
|
|
struct work_struct work;
|
|
} work;
|
|
|
|
const char *no_fbc_reason;
|
|
};
|
|
|
|
/*
|
|
* HIGH_RR is the highest eDP panel refresh rate read from EDID
|
|
* LOW_RR is the lowest eDP panel refresh rate found from EDID
|
|
* parsing for same resolution.
|
|
*/
|
|
enum drrs_refresh_rate_type {
|
|
DRRS_HIGH_RR,
|
|
DRRS_LOW_RR,
|
|
DRRS_MAX_RR, /* RR count */
|
|
};
|
|
|
|
enum drrs_support_type {
|
|
DRRS_NOT_SUPPORTED = 0,
|
|
STATIC_DRRS_SUPPORT = 1,
|
|
SEAMLESS_DRRS_SUPPORT = 2
|
|
};
|
|
|
|
struct intel_dp;
|
|
struct i915_drrs {
|
|
struct mutex mutex;
|
|
struct delayed_work work;
|
|
struct intel_dp *dp;
|
|
unsigned busy_frontbuffer_bits;
|
|
enum drrs_refresh_rate_type refresh_rate_type;
|
|
enum drrs_support_type type;
|
|
};
|
|
|
|
struct i915_psr {
|
|
struct mutex lock;
|
|
bool sink_support;
|
|
struct intel_dp *enabled;
|
|
bool active;
|
|
struct work_struct work;
|
|
unsigned busy_frontbuffer_bits;
|
|
bool sink_psr2_support;
|
|
bool link_standby;
|
|
bool colorimetry_support;
|
|
bool alpm;
|
|
bool psr2_enabled;
|
|
u8 sink_sync_latency;
|
|
bool debug;
|
|
ktime_t last_entry_attempt;
|
|
ktime_t last_exit;
|
|
|
|
void (*enable_source)(struct intel_dp *,
|
|
const struct intel_crtc_state *);
|
|
void (*disable_source)(struct intel_dp *,
|
|
const struct intel_crtc_state *);
|
|
void (*enable_sink)(struct intel_dp *);
|
|
void (*activate)(struct intel_dp *);
|
|
void (*setup_vsc)(struct intel_dp *, const struct intel_crtc_state *);
|
|
};
|
|
|
|
enum intel_pch {
|
|
PCH_NONE = 0, /* No PCH present */
|
|
PCH_IBX, /* Ibexpeak PCH */
|
|
PCH_CPT, /* Cougarpoint/Pantherpoint PCH */
|
|
PCH_LPT, /* Lynxpoint/Wildcatpoint PCH */
|
|
PCH_SPT, /* Sunrisepoint PCH */
|
|
PCH_KBP, /* Kaby Lake PCH */
|
|
PCH_CNP, /* Cannon Lake PCH */
|
|
PCH_ICP, /* Ice Lake PCH */
|
|
PCH_NOP, /* PCH without south display */
|
|
};
|
|
|
|
enum intel_sbi_destination {
|
|
SBI_ICLK,
|
|
SBI_MPHY,
|
|
};
|
|
|
|
#define QUIRK_LVDS_SSC_DISABLE (1<<1)
|
|
#define QUIRK_INVERT_BRIGHTNESS (1<<2)
|
|
#define QUIRK_BACKLIGHT_PRESENT (1<<3)
|
|
#define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
|
|
#define QUIRK_INCREASE_T12_DELAY (1<<6)
|
|
|
|
struct intel_fbdev;
|
|
struct intel_fbc_work;
|
|
|
|
struct intel_gmbus {
|
|
struct i2c_adapter adapter;
|
|
#define GMBUS_FORCE_BIT_RETRY (1U << 31)
|
|
u32 force_bit;
|
|
u32 reg0;
|
|
i915_reg_t gpio_reg;
|
|
struct i2c_algo_bit_data bit_algo;
|
|
struct drm_i915_private *dev_priv;
|
|
};
|
|
|
|
struct i915_suspend_saved_registers {
|
|
u32 saveDSPARB;
|
|
u32 saveFBC_CONTROL;
|
|
u32 saveCACHE_MODE_0;
|
|
u32 saveMI_ARB_STATE;
|
|
u32 saveSWF0[16];
|
|
u32 saveSWF1[16];
|
|
u32 saveSWF3[3];
|
|
uint64_t saveFENCE[I915_MAX_NUM_FENCES];
|
|
u32 savePCH_PORT_HOTPLUG;
|
|
u16 saveGCDGMBUS;
|
|
};
|
|
|
|
struct vlv_s0ix_state {
|
|
/* GAM */
|
|
u32 wr_watermark;
|
|
u32 gfx_prio_ctrl;
|
|
u32 arb_mode;
|
|
u32 gfx_pend_tlb0;
|
|
u32 gfx_pend_tlb1;
|
|
u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM];
|
|
u32 media_max_req_count;
|
|
u32 gfx_max_req_count;
|
|
u32 render_hwsp;
|
|
u32 ecochk;
|
|
u32 bsd_hwsp;
|
|
u32 blt_hwsp;
|
|
u32 tlb_rd_addr;
|
|
|
|
/* MBC */
|
|
u32 g3dctl;
|
|
u32 gsckgctl;
|
|
u32 mbctl;
|
|
|
|
/* GCP */
|
|
u32 ucgctl1;
|
|
u32 ucgctl3;
|
|
u32 rcgctl1;
|
|
u32 rcgctl2;
|
|
u32 rstctl;
|
|
u32 misccpctl;
|
|
|
|
/* GPM */
|
|
u32 gfxpause;
|
|
u32 rpdeuhwtc;
|
|
u32 rpdeuc;
|
|
u32 ecobus;
|
|
u32 pwrdwnupctl;
|
|
u32 rp_down_timeout;
|
|
u32 rp_deucsw;
|
|
u32 rcubmabdtmr;
|
|
u32 rcedata;
|
|
u32 spare2gh;
|
|
|
|
/* Display 1 CZ domain */
|
|
u32 gt_imr;
|
|
u32 gt_ier;
|
|
u32 pm_imr;
|
|
u32 pm_ier;
|
|
u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM];
|
|
|
|
/* GT SA CZ domain */
|
|
u32 tilectl;
|
|
u32 gt_fifoctl;
|
|
u32 gtlc_wake_ctrl;
|
|
u32 gtlc_survive;
|
|
u32 pmwgicz;
|
|
|
|
/* Display 2 CZ domain */
|
|
u32 gu_ctl0;
|
|
u32 gu_ctl1;
|
|
u32 pcbr;
|
|
u32 clock_gate_dis2;
|
|
};
|
|
|
|
struct intel_rps_ei {
|
|
ktime_t ktime;
|
|
u32 render_c0;
|
|
u32 media_c0;
|
|
};
|
|
|
|
struct intel_rps {
|
|
/*
|
|
* work, interrupts_enabled and pm_iir are protected by
|
|
* dev_priv->irq_lock
|
|
*/
|
|
struct work_struct work;
|
|
bool interrupts_enabled;
|
|
u32 pm_iir;
|
|
|
|
/* PM interrupt bits that should never be masked */
|
|
u32 pm_intrmsk_mbz;
|
|
|
|
/* Frequencies are stored in potentially platform dependent multiples.
|
|
* In other words, *_freq needs to be multiplied by X to be interesting.
|
|
* Soft limits are those which are used for the dynamic reclocking done
|
|
* by the driver (raise frequencies under heavy loads, and lower for
|
|
* lighter loads). Hard limits are those imposed by the hardware.
|
|
*
|
|
* A distinction is made for overclocking, which is never enabled by
|
|
* default, and is considered to be above the hard limit if it's
|
|
* possible at all.
|
|
*/
|
|
u8 cur_freq; /* Current frequency (cached, may not == HW) */
|
|
u8 min_freq_softlimit; /* Minimum frequency permitted by the driver */
|
|
u8 max_freq_softlimit; /* Max frequency permitted by the driver */
|
|
u8 max_freq; /* Maximum frequency, RP0 if not overclocking */
|
|
u8 min_freq; /* AKA RPn. Minimum frequency */
|
|
u8 boost_freq; /* Frequency to request when wait boosting */
|
|
u8 idle_freq; /* Frequency to request when we are idle */
|
|
u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */
|
|
u8 rp1_freq; /* "less than" RP0 power/freqency */
|
|
u8 rp0_freq; /* Non-overclocked max frequency. */
|
|
u16 gpll_ref_freq; /* vlv/chv GPLL reference frequency */
|
|
|
|
u8 up_threshold; /* Current %busy required to uplock */
|
|
u8 down_threshold; /* Current %busy required to downclock */
|
|
|
|
int last_adj;
|
|
enum { LOW_POWER, BETWEEN, HIGH_POWER } power;
|
|
|
|
bool enabled;
|
|
atomic_t num_waiters;
|
|
atomic_t boosts;
|
|
|
|
/* manual wa residency calculations */
|
|
struct intel_rps_ei ei;
|
|
};
|
|
|
|
struct intel_rc6 {
|
|
bool enabled;
|
|
u64 prev_hw_residency[4];
|
|
u64 cur_residency[4];
|
|
};
|
|
|
|
struct intel_llc_pstate {
|
|
bool enabled;
|
|
};
|
|
|
|
struct intel_gen6_power_mgmt {
|
|
struct intel_rps rps;
|
|
struct intel_rc6 rc6;
|
|
struct intel_llc_pstate llc_pstate;
|
|
};
|
|
|
|
/* defined intel_pm.c */
|
|
extern spinlock_t mchdev_lock;
|
|
|
|
struct intel_ilk_power_mgmt {
|
|
u8 cur_delay;
|
|
u8 min_delay;
|
|
u8 max_delay;
|
|
u8 fmax;
|
|
u8 fstart;
|
|
|
|
u64 last_count1;
|
|
unsigned long last_time1;
|
|
unsigned long chipset_power;
|
|
u64 last_count2;
|
|
u64 last_time2;
|
|
unsigned long gfx_power;
|
|
u8 corr;
|
|
|
|
int c_m;
|
|
int r_t;
|
|
};
|
|
|
|
struct drm_i915_private;
|
|
struct i915_power_well;
|
|
|
|
struct i915_power_well_ops {
|
|
/*
|
|
* Synchronize the well's hw state to match the current sw state, for
|
|
* example enable/disable it based on the current refcount. Called
|
|
* during driver init and resume time, possibly after first calling
|
|
* the enable/disable handlers.
|
|
*/
|
|
void (*sync_hw)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/*
|
|
* Enable the well and resources that depend on it (for example
|
|
* interrupts located on the well). Called after the 0->1 refcount
|
|
* transition.
|
|
*/
|
|
void (*enable)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/*
|
|
* Disable the well and resources that depend on it. Called after
|
|
* the 1->0 refcount transition.
|
|
*/
|
|
void (*disable)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/* Returns the hw enabled state. */
|
|
bool (*is_enabled)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
};
|
|
|
|
/* Power well structure for haswell */
|
|
struct i915_power_well {
|
|
const char *name;
|
|
bool always_on;
|
|
/* power well enable/disable usage count */
|
|
int count;
|
|
/* cached hw enabled state */
|
|
bool hw_enabled;
|
|
u64 domains;
|
|
/* unique identifier for this power well */
|
|
enum i915_power_well_id id;
|
|
/*
|
|
* Arbitraty data associated with this power well. Platform and power
|
|
* well specific.
|
|
*/
|
|
union {
|
|
struct {
|
|
enum dpio_phy phy;
|
|
} bxt;
|
|
struct {
|
|
/* Mask of pipes whose IRQ logic is backed by the pw */
|
|
u8 irq_pipe_mask;
|
|
/* The pw is backing the VGA functionality */
|
|
bool has_vga:1;
|
|
bool has_fuses:1;
|
|
} hsw;
|
|
};
|
|
const struct i915_power_well_ops *ops;
|
|
};
|
|
|
|
struct i915_power_domains {
|
|
/*
|
|
* Power wells needed for initialization at driver init and suspend
|
|
* time are on. They are kept on until after the first modeset.
|
|
*/
|
|
bool init_power_on;
|
|
bool initializing;
|
|
int power_well_count;
|
|
|
|
struct mutex lock;
|
|
int domain_use_count[POWER_DOMAIN_NUM];
|
|
struct i915_power_well *power_wells;
|
|
};
|
|
|
|
#define MAX_L3_SLICES 2
|
|
struct intel_l3_parity {
|
|
u32 *remap_info[MAX_L3_SLICES];
|
|
struct work_struct error_work;
|
|
int which_slice;
|
|
};
|
|
|
|
struct i915_gem_mm {
|
|
/** Memory allocator for GTT stolen memory */
|
|
struct drm_mm stolen;
|
|
/** Protects the usage of the GTT stolen memory allocator. This is
|
|
* always the inner lock when overlapping with struct_mutex. */
|
|
struct mutex stolen_lock;
|
|
|
|
/* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */
|
|
spinlock_t obj_lock;
|
|
|
|
/** List of all objects in gtt_space. Used to restore gtt
|
|
* mappings on resume */
|
|
struct list_head bound_list;
|
|
/**
|
|
* List of objects which are not bound to the GTT (thus
|
|
* are idle and not used by the GPU). These objects may or may
|
|
* not actually have any pages attached.
|
|
*/
|
|
struct list_head unbound_list;
|
|
|
|
/** List of all objects in gtt_space, currently mmaped by userspace.
|
|
* All objects within this list must also be on bound_list.
|
|
*/
|
|
struct list_head userfault_list;
|
|
|
|
/**
|
|
* List of objects which are pending destruction.
|
|
*/
|
|
struct llist_head free_list;
|
|
struct work_struct free_work;
|
|
spinlock_t free_lock;
|
|
/**
|
|
* Count of objects pending destructions. Used to skip needlessly
|
|
* waiting on an RCU barrier if no objects are waiting to be freed.
|
|
*/
|
|
atomic_t free_count;
|
|
|
|
/**
|
|
* Small stash of WC pages
|
|
*/
|
|
struct pagevec wc_stash;
|
|
|
|
/**
|
|
* tmpfs instance used for shmem backed objects
|
|
*/
|
|
struct vfsmount *gemfs;
|
|
|
|
/** PPGTT used for aliasing the PPGTT with the GTT */
|
|
struct i915_hw_ppgtt *aliasing_ppgtt;
|
|
|
|
struct notifier_block oom_notifier;
|
|
struct notifier_block vmap_notifier;
|
|
struct shrinker shrinker;
|
|
|
|
/** LRU list of objects with fence regs on them. */
|
|
struct list_head fence_list;
|
|
|
|
/**
|
|
* Workqueue to fault in userptr pages, flushed by the execbuf
|
|
* when required but otherwise left to userspace to try again
|
|
* on EAGAIN.
|
|
*/
|
|
struct workqueue_struct *userptr_wq;
|
|
|
|
u64 unordered_timeline;
|
|
|
|
/* the indicator for dispatch video commands on two BSD rings */
|
|
atomic_t bsd_engine_dispatch_index;
|
|
|
|
/** Bit 6 swizzling required for X tiling */
|
|
uint32_t bit_6_swizzle_x;
|
|
/** Bit 6 swizzling required for Y tiling */
|
|
uint32_t bit_6_swizzle_y;
|
|
|
|
/* accounting, useful for userland debugging */
|
|
spinlock_t object_stat_lock;
|
|
u64 object_memory;
|
|
u32 object_count;
|
|
};
|
|
|
|
#define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
|
|
|
|
#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
|
|
#define I915_FENCE_TIMEOUT (10 * HZ) /* 10s */
|
|
|
|
#define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */
|
|
#define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */
|
|
|
|
#define I915_ENGINE_WEDGED_TIMEOUT (60 * HZ) /* Reset but no recovery? */
|
|
|
|
enum modeset_restore {
|
|
MODESET_ON_LID_OPEN,
|
|
MODESET_DONE,
|
|
MODESET_SUSPENDED,
|
|
};
|
|
|
|
#define DP_AUX_A 0x40
|
|
#define DP_AUX_B 0x10
|
|
#define DP_AUX_C 0x20
|
|
#define DP_AUX_D 0x30
|
|
#define DP_AUX_E 0x50
|
|
#define DP_AUX_F 0x60
|
|
|
|
#define DDC_PIN_B 0x05
|
|
#define DDC_PIN_C 0x04
|
|
#define DDC_PIN_D 0x06
|
|
|
|
struct ddi_vbt_port_info {
|
|
int max_tmds_clock;
|
|
|
|
/*
|
|
* This is an index in the HDMI/DVI DDI buffer translation table.
|
|
* The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't
|
|
* populate this field.
|
|
*/
|
|
#define HDMI_LEVEL_SHIFT_UNKNOWN 0xff
|
|
uint8_t hdmi_level_shift;
|
|
|
|
uint8_t supports_dvi:1;
|
|
uint8_t supports_hdmi:1;
|
|
uint8_t supports_dp:1;
|
|
uint8_t supports_edp:1;
|
|
|
|
uint8_t alternate_aux_channel;
|
|
uint8_t alternate_ddc_pin;
|
|
|
|
uint8_t dp_boost_level;
|
|
uint8_t hdmi_boost_level;
|
|
int dp_max_link_rate; /* 0 for not limited by VBT */
|
|
};
|
|
|
|
enum psr_lines_to_wait {
|
|
PSR_0_LINES_TO_WAIT = 0,
|
|
PSR_1_LINE_TO_WAIT,
|
|
PSR_4_LINES_TO_WAIT,
|
|
PSR_8_LINES_TO_WAIT
|
|
};
|
|
|
|
struct intel_vbt_data {
|
|
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
|
|
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
|
|
|
|
/* Feature bits */
|
|
unsigned int int_tv_support:1;
|
|
unsigned int lvds_dither:1;
|
|
unsigned int int_crt_support:1;
|
|
unsigned int lvds_use_ssc:1;
|
|
unsigned int int_lvds_support:1;
|
|
unsigned int display_clock_mode:1;
|
|
unsigned int fdi_rx_polarity_inverted:1;
|
|
unsigned int panel_type:4;
|
|
int lvds_ssc_freq;
|
|
unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
|
|
|
|
enum drrs_support_type drrs_type;
|
|
|
|
struct {
|
|
int rate;
|
|
int lanes;
|
|
int preemphasis;
|
|
int vswing;
|
|
bool low_vswing;
|
|
bool initialized;
|
|
int bpp;
|
|
struct edp_power_seq pps;
|
|
} edp;
|
|
|
|
struct {
|
|
bool enable;
|
|
bool full_link;
|
|
bool require_aux_wakeup;
|
|
int idle_frames;
|
|
enum psr_lines_to_wait lines_to_wait;
|
|
int tp1_wakeup_time_us;
|
|
int tp2_tp3_wakeup_time_us;
|
|
} psr;
|
|
|
|
struct {
|
|
u16 pwm_freq_hz;
|
|
bool present;
|
|
bool active_low_pwm;
|
|
u8 min_brightness; /* min_brightness/255 of max */
|
|
u8 controller; /* brightness controller number */
|
|
enum intel_backlight_type type;
|
|
} backlight;
|
|
|
|
/* MIPI DSI */
|
|
struct {
|
|
u16 panel_id;
|
|
struct mipi_config *config;
|
|
struct mipi_pps_data *pps;
|
|
u16 bl_ports;
|
|
u16 cabc_ports;
|
|
u8 seq_version;
|
|
u32 size;
|
|
u8 *data;
|
|
const u8 *sequence[MIPI_SEQ_MAX];
|
|
u8 *deassert_seq; /* Used by fixup_mipi_sequences() */
|
|
} dsi;
|
|
|
|
int crt_ddc_pin;
|
|
|
|
int child_dev_num;
|
|
struct child_device_config *child_dev;
|
|
|
|
struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
|
|
struct sdvo_device_mapping sdvo_mappings[2];
|
|
};
|
|
|
|
enum intel_ddb_partitioning {
|
|
INTEL_DDB_PART_1_2,
|
|
INTEL_DDB_PART_5_6, /* IVB+ */
|
|
};
|
|
|
|
struct intel_wm_level {
|
|
bool enable;
|
|
uint32_t pri_val;
|
|
uint32_t spr_val;
|
|
uint32_t cur_val;
|
|
uint32_t fbc_val;
|
|
};
|
|
|
|
struct ilk_wm_values {
|
|
uint32_t wm_pipe[3];
|
|
uint32_t wm_lp[3];
|
|
uint32_t wm_lp_spr[3];
|
|
uint32_t wm_linetime[3];
|
|
bool enable_fbc_wm;
|
|
enum intel_ddb_partitioning partitioning;
|
|
};
|
|
|
|
struct g4x_pipe_wm {
|
|
uint16_t plane[I915_MAX_PLANES];
|
|
uint16_t fbc;
|
|
};
|
|
|
|
struct g4x_sr_wm {
|
|
uint16_t plane;
|
|
uint16_t cursor;
|
|
uint16_t fbc;
|
|
};
|
|
|
|
struct vlv_wm_ddl_values {
|
|
uint8_t plane[I915_MAX_PLANES];
|
|
};
|
|
|
|
struct vlv_wm_values {
|
|
struct g4x_pipe_wm pipe[3];
|
|
struct g4x_sr_wm sr;
|
|
struct vlv_wm_ddl_values ddl[3];
|
|
uint8_t level;
|
|
bool cxsr;
|
|
};
|
|
|
|
struct g4x_wm_values {
|
|
struct g4x_pipe_wm pipe[2];
|
|
struct g4x_sr_wm sr;
|
|
struct g4x_sr_wm hpll;
|
|
bool cxsr;
|
|
bool hpll_en;
|
|
bool fbc_en;
|
|
};
|
|
|
|
struct skl_ddb_entry {
|
|
uint16_t start, end; /* in number of blocks, 'end' is exclusive */
|
|
};
|
|
|
|
static inline uint16_t skl_ddb_entry_size(const struct skl_ddb_entry *entry)
|
|
{
|
|
return entry->end - entry->start;
|
|
}
|
|
|
|
static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1,
|
|
const struct skl_ddb_entry *e2)
|
|
{
|
|
if (e1->start == e2->start && e1->end == e2->end)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
struct skl_ddb_allocation {
|
|
/* packed/y */
|
|
struct skl_ddb_entry plane[I915_MAX_PIPES][I915_MAX_PLANES];
|
|
struct skl_ddb_entry uv_plane[I915_MAX_PIPES][I915_MAX_PLANES];
|
|
u8 enabled_slices; /* GEN11 has configurable 2 slices */
|
|
};
|
|
|
|
struct skl_ddb_values {
|
|
unsigned dirty_pipes;
|
|
struct skl_ddb_allocation ddb;
|
|
};
|
|
|
|
struct skl_wm_level {
|
|
bool plane_en;
|
|
uint16_t plane_res_b;
|
|
uint8_t plane_res_l;
|
|
};
|
|
|
|
/* Stores plane specific WM parameters */
|
|
struct skl_wm_params {
|
|
bool x_tiled, y_tiled;
|
|
bool rc_surface;
|
|
bool is_planar;
|
|
uint32_t width;
|
|
uint8_t cpp;
|
|
uint32_t plane_pixel_rate;
|
|
uint32_t y_min_scanlines;
|
|
uint32_t plane_bytes_per_line;
|
|
uint_fixed_16_16_t plane_blocks_per_line;
|
|
uint_fixed_16_16_t y_tile_minimum;
|
|
uint32_t linetime_us;
|
|
uint32_t dbuf_block_size;
|
|
};
|
|
|
|
/*
|
|
* This struct helps tracking the state needed for runtime PM, which puts the
|
|
* device in PCI D3 state. Notice that when this happens, nothing on the
|
|
* graphics device works, even register access, so we don't get interrupts nor
|
|
* anything else.
|
|
*
|
|
* Every piece of our code that needs to actually touch the hardware needs to
|
|
* either call intel_runtime_pm_get or call intel_display_power_get with the
|
|
* appropriate power domain.
|
|
*
|
|
* Our driver uses the autosuspend delay feature, which means we'll only really
|
|
* suspend if we stay with zero refcount for a certain amount of time. The
|
|
* default value is currently very conservative (see intel_runtime_pm_enable), but
|
|
* it can be changed with the standard runtime PM files from sysfs.
|
|
*
|
|
* The irqs_disabled variable becomes true exactly after we disable the IRQs and
|
|
* goes back to false exactly before we reenable the IRQs. We use this variable
|
|
* to check if someone is trying to enable/disable IRQs while they're supposed
|
|
* to be disabled. This shouldn't happen and we'll print some error messages in
|
|
* case it happens.
|
|
*
|
|
* For more, read the Documentation/power/runtime_pm.txt.
|
|
*/
|
|
struct i915_runtime_pm {
|
|
atomic_t wakeref_count;
|
|
bool suspended;
|
|
bool irqs_enabled;
|
|
};
|
|
|
|
enum intel_pipe_crc_source {
|
|
INTEL_PIPE_CRC_SOURCE_NONE,
|
|
INTEL_PIPE_CRC_SOURCE_PLANE1,
|
|
INTEL_PIPE_CRC_SOURCE_PLANE2,
|
|
INTEL_PIPE_CRC_SOURCE_PF,
|
|
INTEL_PIPE_CRC_SOURCE_PIPE,
|
|
/* TV/DP on pre-gen5/vlv can't use the pipe source. */
|
|
INTEL_PIPE_CRC_SOURCE_TV,
|
|
INTEL_PIPE_CRC_SOURCE_DP_B,
|
|
INTEL_PIPE_CRC_SOURCE_DP_C,
|
|
INTEL_PIPE_CRC_SOURCE_DP_D,
|
|
INTEL_PIPE_CRC_SOURCE_AUTO,
|
|
INTEL_PIPE_CRC_SOURCE_MAX,
|
|
};
|
|
|
|
struct intel_pipe_crc_entry {
|
|
uint32_t frame;
|
|
uint32_t crc[5];
|
|
};
|
|
|
|
#define INTEL_PIPE_CRC_ENTRIES_NR 128
|
|
struct intel_pipe_crc {
|
|
spinlock_t lock;
|
|
bool opened; /* exclusive access to the result file */
|
|
struct intel_pipe_crc_entry *entries;
|
|
enum intel_pipe_crc_source source;
|
|
int head, tail;
|
|
wait_queue_head_t wq;
|
|
int skipped;
|
|
};
|
|
|
|
struct i915_frontbuffer_tracking {
|
|
spinlock_t lock;
|
|
|
|
/*
|
|
* Tracking bits for delayed frontbuffer flushing du to gpu activity or
|
|
* scheduled flips.
|
|
*/
|
|
unsigned busy_bits;
|
|
unsigned flip_bits;
|
|
};
|
|
|
|
struct i915_wa_reg {
|
|
u32 addr;
|
|
u32 value;
|
|
/* bitmask representing WA bits */
|
|
u32 mask;
|
|
};
|
|
|
|
#define I915_MAX_WA_REGS 16
|
|
|
|
struct i915_workarounds {
|
|
struct i915_wa_reg reg[I915_MAX_WA_REGS];
|
|
u32 count;
|
|
};
|
|
|
|
struct i915_virtual_gpu {
|
|
bool active;
|
|
u32 caps;
|
|
};
|
|
|
|
/* used in computing the new watermarks state */
|
|
struct intel_wm_config {
|
|
unsigned int num_pipes_active;
|
|
bool sprites_enabled;
|
|
bool sprites_scaled;
|
|
};
|
|
|
|
struct i915_oa_format {
|
|
u32 format;
|
|
int size;
|
|
};
|
|
|
|
struct i915_oa_reg {
|
|
i915_reg_t addr;
|
|
u32 value;
|
|
};
|
|
|
|
struct i915_oa_config {
|
|
char uuid[UUID_STRING_LEN + 1];
|
|
int id;
|
|
|
|
const struct i915_oa_reg *mux_regs;
|
|
u32 mux_regs_len;
|
|
const struct i915_oa_reg *b_counter_regs;
|
|
u32 b_counter_regs_len;
|
|
const struct i915_oa_reg *flex_regs;
|
|
u32 flex_regs_len;
|
|
|
|
struct attribute_group sysfs_metric;
|
|
struct attribute *attrs[2];
|
|
struct device_attribute sysfs_metric_id;
|
|
|
|
atomic_t ref_count;
|
|
};
|
|
|
|
struct i915_perf_stream;
|
|
|
|
/**
|
|
* struct i915_perf_stream_ops - the OPs to support a specific stream type
|
|
*/
|
|
struct i915_perf_stream_ops {
|
|
/**
|
|
* @enable: Enables the collection of HW samples, either in response to
|
|
* `I915_PERF_IOCTL_ENABLE` or implicitly called when stream is opened
|
|
* without `I915_PERF_FLAG_DISABLED`.
|
|
*/
|
|
void (*enable)(struct i915_perf_stream *stream);
|
|
|
|
/**
|
|
* @disable: Disables the collection of HW samples, either in response
|
|
* to `I915_PERF_IOCTL_DISABLE` or implicitly called before destroying
|
|
* the stream.
|
|
*/
|
|
void (*disable)(struct i915_perf_stream *stream);
|
|
|
|
/**
|
|
* @poll_wait: Call poll_wait, passing a wait queue that will be woken
|
|
* once there is something ready to read() for the stream
|
|
*/
|
|
void (*poll_wait)(struct i915_perf_stream *stream,
|
|
struct file *file,
|
|
poll_table *wait);
|
|
|
|
/**
|
|
* @wait_unlocked: For handling a blocking read, wait until there is
|
|
* something to ready to read() for the stream. E.g. wait on the same
|
|
* wait queue that would be passed to poll_wait().
|
|
*/
|
|
int (*wait_unlocked)(struct i915_perf_stream *stream);
|
|
|
|
/**
|
|
* @read: Copy buffered metrics as records to userspace
|
|
* **buf**: the userspace, destination buffer
|
|
* **count**: the number of bytes to copy, requested by userspace
|
|
* **offset**: zero at the start of the read, updated as the read
|
|
* proceeds, it represents how many bytes have been copied so far and
|
|
* the buffer offset for copying the next record.
|
|
*
|
|
* Copy as many buffered i915 perf samples and records for this stream
|
|
* to userspace as will fit in the given buffer.
|
|
*
|
|
* Only write complete records; returning -%ENOSPC if there isn't room
|
|
* for a complete record.
|
|
*
|
|
* Return any error condition that results in a short read such as
|
|
* -%ENOSPC or -%EFAULT, even though these may be squashed before
|
|
* returning to userspace.
|
|
*/
|
|
int (*read)(struct i915_perf_stream *stream,
|
|
char __user *buf,
|
|
size_t count,
|
|
size_t *offset);
|
|
|
|
/**
|
|
* @destroy: Cleanup any stream specific resources.
|
|
*
|
|
* The stream will always be disabled before this is called.
|
|
*/
|
|
void (*destroy)(struct i915_perf_stream *stream);
|
|
};
|
|
|
|
/**
|
|
* struct i915_perf_stream - state for a single open stream FD
|
|
*/
|
|
struct i915_perf_stream {
|
|
/**
|
|
* @dev_priv: i915 drm device
|
|
*/
|
|
struct drm_i915_private *dev_priv;
|
|
|
|
/**
|
|
* @link: Links the stream into ``&drm_i915_private->streams``
|
|
*/
|
|
struct list_head link;
|
|
|
|
/**
|
|
* @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*`
|
|
* properties given when opening a stream, representing the contents
|
|
* of a single sample as read() by userspace.
|
|
*/
|
|
u32 sample_flags;
|
|
|
|
/**
|
|
* @sample_size: Considering the configured contents of a sample
|
|
* combined with the required header size, this is the total size
|
|
* of a single sample record.
|
|
*/
|
|
int sample_size;
|
|
|
|
/**
|
|
* @ctx: %NULL if measuring system-wide across all contexts or a
|
|
* specific context that is being monitored.
|
|
*/
|
|
struct i915_gem_context *ctx;
|
|
|
|
/**
|
|
* @enabled: Whether the stream is currently enabled, considering
|
|
* whether the stream was opened in a disabled state and based
|
|
* on `I915_PERF_IOCTL_ENABLE` and `I915_PERF_IOCTL_DISABLE` calls.
|
|
*/
|
|
bool enabled;
|
|
|
|
/**
|
|
* @ops: The callbacks providing the implementation of this specific
|
|
* type of configured stream.
|
|
*/
|
|
const struct i915_perf_stream_ops *ops;
|
|
|
|
/**
|
|
* @oa_config: The OA configuration used by the stream.
|
|
*/
|
|
struct i915_oa_config *oa_config;
|
|
};
|
|
|
|
/**
|
|
* struct i915_oa_ops - Gen specific implementation of an OA unit stream
|
|
*/
|
|
struct i915_oa_ops {
|
|
/**
|
|
* @is_valid_b_counter_reg: Validates register's address for
|
|
* programming boolean counters for a particular platform.
|
|
*/
|
|
bool (*is_valid_b_counter_reg)(struct drm_i915_private *dev_priv,
|
|
u32 addr);
|
|
|
|
/**
|
|
* @is_valid_mux_reg: Validates register's address for programming mux
|
|
* for a particular platform.
|
|
*/
|
|
bool (*is_valid_mux_reg)(struct drm_i915_private *dev_priv, u32 addr);
|
|
|
|
/**
|
|
* @is_valid_flex_reg: Validates register's address for programming
|
|
* flex EU filtering for a particular platform.
|
|
*/
|
|
bool (*is_valid_flex_reg)(struct drm_i915_private *dev_priv, u32 addr);
|
|
|
|
/**
|
|
* @init_oa_buffer: Resets the head and tail pointers of the
|
|
* circular buffer for periodic OA reports.
|
|
*
|
|
* Called when first opening a stream for OA metrics, but also may be
|
|
* called in response to an OA buffer overflow or other error
|
|
* condition.
|
|
*
|
|
* Note it may be necessary to clear the full OA buffer here as part of
|
|
* maintaining the invariable that new reports must be written to
|
|
* zeroed memory for us to be able to reliable detect if an expected
|
|
* report has not yet landed in memory. (At least on Haswell the OA
|
|
* buffer tail pointer is not synchronized with reports being visible
|
|
* to the CPU)
|
|
*/
|
|
void (*init_oa_buffer)(struct drm_i915_private *dev_priv);
|
|
|
|
/**
|
|
* @enable_metric_set: Selects and applies any MUX configuration to set
|
|
* up the Boolean and Custom (B/C) counters that are part of the
|
|
* counter reports being sampled. May apply system constraints such as
|
|
* disabling EU clock gating as required.
|
|
*/
|
|
int (*enable_metric_set)(struct drm_i915_private *dev_priv,
|
|
const struct i915_oa_config *oa_config);
|
|
|
|
/**
|
|
* @disable_metric_set: Remove system constraints associated with using
|
|
* the OA unit.
|
|
*/
|
|
void (*disable_metric_set)(struct drm_i915_private *dev_priv);
|
|
|
|
/**
|
|
* @oa_enable: Enable periodic sampling
|
|
*/
|
|
void (*oa_enable)(struct drm_i915_private *dev_priv);
|
|
|
|
/**
|
|
* @oa_disable: Disable periodic sampling
|
|
*/
|
|
void (*oa_disable)(struct drm_i915_private *dev_priv);
|
|
|
|
/**
|
|
* @read: Copy data from the circular OA buffer into a given userspace
|
|
* buffer.
|
|
*/
|
|
int (*read)(struct i915_perf_stream *stream,
|
|
char __user *buf,
|
|
size_t count,
|
|
size_t *offset);
|
|
|
|
/**
|
|
* @oa_hw_tail_read: read the OA tail pointer register
|
|
*
|
|
* In particular this enables us to share all the fiddly code for
|
|
* handling the OA unit tail pointer race that affects multiple
|
|
* generations.
|
|
*/
|
|
u32 (*oa_hw_tail_read)(struct drm_i915_private *dev_priv);
|
|
};
|
|
|
|
struct intel_cdclk_state {
|
|
unsigned int cdclk, vco, ref, bypass;
|
|
u8 voltage_level;
|
|
};
|
|
|
|
struct drm_i915_private {
|
|
struct drm_device drm;
|
|
|
|
struct kmem_cache *objects;
|
|
struct kmem_cache *vmas;
|
|
struct kmem_cache *luts;
|
|
struct kmem_cache *requests;
|
|
struct kmem_cache *dependencies;
|
|
struct kmem_cache *priorities;
|
|
|
|
const struct intel_device_info info;
|
|
struct intel_driver_caps caps;
|
|
|
|
/**
|
|
* Data Stolen Memory - aka "i915 stolen memory" gives us the start and
|
|
* end of stolen which we can optionally use to create GEM objects
|
|
* backed by stolen memory. Note that stolen_usable_size tells us
|
|
* exactly how much of this we are actually allowed to use, given that
|
|
* some portion of it is in fact reserved for use by hardware functions.
|
|
*/
|
|
struct resource dsm;
|
|
/**
|
|
* Reseved portion of Data Stolen Memory
|
|
*/
|
|
struct resource dsm_reserved;
|
|
|
|
/*
|
|
* Stolen memory is segmented in hardware with different portions
|
|
* offlimits to certain functions.
|
|
*
|
|
* The drm_mm is initialised to the total accessible range, as found
|
|
* from the PCI config. On Broadwell+, this is further restricted to
|
|
* avoid the first page! The upper end of stolen memory is reserved for
|
|
* hardware functions and similarly removed from the accessible range.
|
|
*/
|
|
resource_size_t stolen_usable_size; /* Total size minus reserved ranges */
|
|
|
|
void __iomem *regs;
|
|
|
|
struct intel_uncore uncore;
|
|
|
|
struct i915_virtual_gpu vgpu;
|
|
|
|
struct intel_gvt *gvt;
|
|
|
|
struct intel_wopcm wopcm;
|
|
|
|
struct intel_huc huc;
|
|
struct intel_guc guc;
|
|
|
|
struct intel_csr csr;
|
|
|
|
struct intel_gmbus gmbus[GMBUS_NUM_PINS];
|
|
|
|
/** gmbus_mutex protects against concurrent usage of the single hw gmbus
|
|
* controller on different i2c buses. */
|
|
struct mutex gmbus_mutex;
|
|
|
|
/**
|
|
* Base address of the gmbus and gpio block.
|
|
*/
|
|
uint32_t gpio_mmio_base;
|
|
|
|
/* MMIO base address for MIPI regs */
|
|
uint32_t mipi_mmio_base;
|
|
|
|
uint32_t psr_mmio_base;
|
|
|
|
uint32_t pps_mmio_base;
|
|
|
|
wait_queue_head_t gmbus_wait_queue;
|
|
|
|
struct pci_dev *bridge_dev;
|
|
struct intel_engine_cs *engine[I915_NUM_ENGINES];
|
|
/* Context used internally to idle the GPU and setup initial state */
|
|
struct i915_gem_context *kernel_context;
|
|
/* Context only to be used for injecting preemption commands */
|
|
struct i915_gem_context *preempt_context;
|
|
struct intel_engine_cs *engine_class[MAX_ENGINE_CLASS + 1]
|
|
[MAX_ENGINE_INSTANCE + 1];
|
|
|
|
struct drm_dma_handle *status_page_dmah;
|
|
struct resource mch_res;
|
|
|
|
/* protects the irq masks */
|
|
spinlock_t irq_lock;
|
|
|
|
bool display_irqs_enabled;
|
|
|
|
/* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
|
|
struct pm_qos_request pm_qos;
|
|
|
|
/* Sideband mailbox protection */
|
|
struct mutex sb_lock;
|
|
|
|
/** Cached value of IMR to avoid reads in updating the bitfield */
|
|
union {
|
|
u32 irq_mask;
|
|
u32 de_irq_mask[I915_MAX_PIPES];
|
|
};
|
|
u32 gt_irq_mask;
|
|
u32 pm_imr;
|
|
u32 pm_ier;
|
|
u32 pm_rps_events;
|
|
u32 pm_guc_events;
|
|
u32 pipestat_irq_mask[I915_MAX_PIPES];
|
|
|
|
struct i915_hotplug hotplug;
|
|
struct intel_fbc fbc;
|
|
struct i915_drrs drrs;
|
|
struct intel_opregion opregion;
|
|
struct intel_vbt_data vbt;
|
|
|
|
bool preserve_bios_swizzle;
|
|
|
|
/* overlay */
|
|
struct intel_overlay *overlay;
|
|
|
|
/* backlight registers and fields in struct intel_panel */
|
|
struct mutex backlight_lock;
|
|
|
|
/* LVDS info */
|
|
bool no_aux_handshake;
|
|
|
|
/* protects panel power sequencer state */
|
|
struct mutex pps_mutex;
|
|
|
|
struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
|
|
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
|
|
|
|
unsigned int fsb_freq, mem_freq, is_ddr3;
|
|
unsigned int skl_preferred_vco_freq;
|
|
unsigned int max_cdclk_freq;
|
|
|
|
unsigned int max_dotclk_freq;
|
|
unsigned int rawclk_freq;
|
|
unsigned int hpll_freq;
|
|
unsigned int fdi_pll_freq;
|
|
unsigned int czclk_freq;
|
|
|
|
struct {
|
|
/*
|
|
* The current logical cdclk state.
|
|
* See intel_atomic_state.cdclk.logical
|
|
*
|
|
* For reading holding any crtc lock is sufficient,
|
|
* for writing must hold all of them.
|
|
*/
|
|
struct intel_cdclk_state logical;
|
|
/*
|
|
* The current actual cdclk state.
|
|
* See intel_atomic_state.cdclk.actual
|
|
*/
|
|
struct intel_cdclk_state actual;
|
|
/* The current hardware cdclk state */
|
|
struct intel_cdclk_state hw;
|
|
} cdclk;
|
|
|
|
/**
|
|
* wq - Driver workqueue for GEM.
|
|
*
|
|
* NOTE: Work items scheduled here are not allowed to grab any modeset
|
|
* locks, for otherwise the flushing done in the pageflip code will
|
|
* result in deadlocks.
|
|
*/
|
|
struct workqueue_struct *wq;
|
|
|
|
/* ordered wq for modesets */
|
|
struct workqueue_struct *modeset_wq;
|
|
|
|
/* Display functions */
|
|
struct drm_i915_display_funcs display;
|
|
|
|
/* PCH chipset type */
|
|
enum intel_pch pch_type;
|
|
unsigned short pch_id;
|
|
|
|
unsigned long quirks;
|
|
|
|
enum modeset_restore modeset_restore;
|
|
struct mutex modeset_restore_lock;
|
|
struct drm_atomic_state *modeset_restore_state;
|
|
struct drm_modeset_acquire_ctx reset_ctx;
|
|
|
|
struct list_head vm_list; /* Global list of all address spaces */
|
|
struct i915_ggtt ggtt; /* VM representing the global address space */
|
|
|
|
struct i915_gem_mm mm;
|
|
DECLARE_HASHTABLE(mm_structs, 7);
|
|
struct mutex mm_lock;
|
|
|
|
struct intel_ppat ppat;
|
|
|
|
/* Kernel Modesetting */
|
|
|
|
struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
|
|
struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
struct intel_pipe_crc pipe_crc[I915_MAX_PIPES];
|
|
#endif
|
|
|
|
/* dpll and cdclk state is protected by connection_mutex */
|
|
int num_shared_dpll;
|
|
struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
|
|
const struct intel_dpll_mgr *dpll_mgr;
|
|
|
|
/*
|
|
* dpll_lock serializes intel_{prepare,enable,disable}_shared_dpll.
|
|
* Must be global rather than per dpll, because on some platforms
|
|
* plls share registers.
|
|
*/
|
|
struct mutex dpll_lock;
|
|
|
|
unsigned int active_crtcs;
|
|
/* minimum acceptable cdclk for each pipe */
|
|
int min_cdclk[I915_MAX_PIPES];
|
|
/* minimum acceptable voltage level for each pipe */
|
|
u8 min_voltage_level[I915_MAX_PIPES];
|
|
|
|
int dpio_phy_iosf_port[I915_NUM_PHYS_VLV];
|
|
|
|
struct i915_workarounds workarounds;
|
|
|
|
struct i915_frontbuffer_tracking fb_tracking;
|
|
|
|
struct intel_atomic_helper {
|
|
struct llist_head free_list;
|
|
struct work_struct free_work;
|
|
} atomic_helper;
|
|
|
|
u16 orig_clock;
|
|
|
|
bool mchbar_need_disable;
|
|
|
|
struct intel_l3_parity l3_parity;
|
|
|
|
/* Cannot be determined by PCIID. You must always read a register. */
|
|
u32 edram_cap;
|
|
|
|
/*
|
|
* Protects RPS/RC6 register access and PCU communication.
|
|
* Must be taken after struct_mutex if nested. Note that
|
|
* this lock may be held for long periods of time when
|
|
* talking to hw - so only take it when talking to hw!
|
|
*/
|
|
struct mutex pcu_lock;
|
|
|
|
/* gen6+ GT PM state */
|
|
struct intel_gen6_power_mgmt gt_pm;
|
|
|
|
/* ilk-only ips/rps state. Everything in here is protected by the global
|
|
* mchdev_lock in intel_pm.c */
|
|
struct intel_ilk_power_mgmt ips;
|
|
|
|
struct i915_power_domains power_domains;
|
|
|
|
struct i915_psr psr;
|
|
|
|
struct i915_gpu_error gpu_error;
|
|
|
|
struct drm_i915_gem_object *vlv_pctx;
|
|
|
|
/* list of fbdev register on this device */
|
|
struct intel_fbdev *fbdev;
|
|
struct work_struct fbdev_suspend_work;
|
|
|
|
struct drm_property *broadcast_rgb_property;
|
|
struct drm_property *force_audio_property;
|
|
|
|
/* hda/i915 audio component */
|
|
struct i915_audio_component *audio_component;
|
|
bool audio_component_registered;
|
|
/**
|
|
* av_mutex - mutex for audio/video sync
|
|
*
|
|
*/
|
|
struct mutex av_mutex;
|
|
|
|
struct {
|
|
struct list_head list;
|
|
struct llist_head free_list;
|
|
struct work_struct free_work;
|
|
|
|
/* The hw wants to have a stable context identifier for the
|
|
* lifetime of the context (for OA, PASID, faults, etc).
|
|
* This is limited in execlists to 21 bits.
|
|
*/
|
|
struct ida hw_ida;
|
|
#define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */
|
|
#define MAX_GUC_CONTEXT_HW_ID (1 << 20) /* exclusive */
|
|
#define GEN11_MAX_CONTEXT_HW_ID (1<<11) /* exclusive */
|
|
} contexts;
|
|
|
|
u32 fdi_rx_config;
|
|
|
|
/* Shadow for DISPLAY_PHY_CONTROL which can't be safely read */
|
|
u32 chv_phy_control;
|
|
/*
|
|
* Shadows for CHV DPLL_MD regs to keep the state
|
|
* checker somewhat working in the presence hardware
|
|
* crappiness (can't read out DPLL_MD for pipes B & C).
|
|
*/
|
|
u32 chv_dpll_md[I915_MAX_PIPES];
|
|
u32 bxt_phy_grc;
|
|
|
|
u32 suspend_count;
|
|
bool power_domains_suspended;
|
|
struct i915_suspend_saved_registers regfile;
|
|
struct vlv_s0ix_state vlv_s0ix_state;
|
|
|
|
enum {
|
|
I915_SAGV_UNKNOWN = 0,
|
|
I915_SAGV_DISABLED,
|
|
I915_SAGV_ENABLED,
|
|
I915_SAGV_NOT_CONTROLLED
|
|
} sagv_status;
|
|
|
|
struct {
|
|
/*
|
|
* Raw watermark latency values:
|
|
* in 0.1us units for WM0,
|
|
* in 0.5us units for WM1+.
|
|
*/
|
|
/* primary */
|
|
uint16_t pri_latency[5];
|
|
/* sprite */
|
|
uint16_t spr_latency[5];
|
|
/* cursor */
|
|
uint16_t cur_latency[5];
|
|
/*
|
|
* Raw watermark memory latency values
|
|
* for SKL for all 8 levels
|
|
* in 1us units.
|
|
*/
|
|
uint16_t skl_latency[8];
|
|
|
|
/* current hardware state */
|
|
union {
|
|
struct ilk_wm_values hw;
|
|
struct skl_ddb_values skl_hw;
|
|
struct vlv_wm_values vlv;
|
|
struct g4x_wm_values g4x;
|
|
};
|
|
|
|
uint8_t max_level;
|
|
|
|
/*
|
|
* Should be held around atomic WM register writing; also
|
|
* protects * intel_crtc->wm.active and
|
|
* cstate->wm.need_postvbl_update.
|
|
*/
|
|
struct mutex wm_mutex;
|
|
|
|
/*
|
|
* Set during HW readout of watermarks/DDB. Some platforms
|
|
* need to know when we're still using BIOS-provided values
|
|
* (which we don't fully trust).
|
|
*/
|
|
bool distrust_bios_wm;
|
|
} wm;
|
|
|
|
struct i915_runtime_pm runtime_pm;
|
|
|
|
struct {
|
|
bool initialized;
|
|
|
|
struct kobject *metrics_kobj;
|
|
struct ctl_table_header *sysctl_header;
|
|
|
|
/*
|
|
* Lock associated with adding/modifying/removing OA configs
|
|
* in dev_priv->perf.metrics_idr.
|
|
*/
|
|
struct mutex metrics_lock;
|
|
|
|
/*
|
|
* List of dynamic configurations, you need to hold
|
|
* dev_priv->perf.metrics_lock to access it.
|
|
*/
|
|
struct idr metrics_idr;
|
|
|
|
/*
|
|
* Lock associated with anything below within this structure
|
|
* except exclusive_stream.
|
|
*/
|
|
struct mutex lock;
|
|
struct list_head streams;
|
|
|
|
struct {
|
|
/*
|
|
* The stream currently using the OA unit. If accessed
|
|
* outside a syscall associated to its file
|
|
* descriptor, you need to hold
|
|
* dev_priv->drm.struct_mutex.
|
|
*/
|
|
struct i915_perf_stream *exclusive_stream;
|
|
|
|
struct intel_context *pinned_ctx;
|
|
u32 specific_ctx_id;
|
|
u32 specific_ctx_id_mask;
|
|
|
|
struct hrtimer poll_check_timer;
|
|
wait_queue_head_t poll_wq;
|
|
bool pollin;
|
|
|
|
/**
|
|
* For rate limiting any notifications of spurious
|
|
* invalid OA reports
|
|
*/
|
|
struct ratelimit_state spurious_report_rs;
|
|
|
|
bool periodic;
|
|
int period_exponent;
|
|
|
|
struct i915_oa_config test_config;
|
|
|
|
struct {
|
|
struct i915_vma *vma;
|
|
u8 *vaddr;
|
|
u32 last_ctx_id;
|
|
int format;
|
|
int format_size;
|
|
|
|
/**
|
|
* Locks reads and writes to all head/tail state
|
|
*
|
|
* Consider: the head and tail pointer state
|
|
* needs to be read consistently from a hrtimer
|
|
* callback (atomic context) and read() fop
|
|
* (user context) with tail pointer updates
|
|
* happening in atomic context and head updates
|
|
* in user context and the (unlikely)
|
|
* possibility of read() errors needing to
|
|
* reset all head/tail state.
|
|
*
|
|
* Note: Contention or performance aren't
|
|
* currently a significant concern here
|
|
* considering the relatively low frequency of
|
|
* hrtimer callbacks (5ms period) and that
|
|
* reads typically only happen in response to a
|
|
* hrtimer event and likely complete before the
|
|
* next callback.
|
|
*
|
|
* Note: This lock is not held *while* reading
|
|
* and copying data to userspace so the value
|
|
* of head observed in htrimer callbacks won't
|
|
* represent any partial consumption of data.
|
|
*/
|
|
spinlock_t ptr_lock;
|
|
|
|
/**
|
|
* One 'aging' tail pointer and one 'aged'
|
|
* tail pointer ready to used for reading.
|
|
*
|
|
* Initial values of 0xffffffff are invalid
|
|
* and imply that an update is required
|
|
* (and should be ignored by an attempted
|
|
* read)
|
|
*/
|
|
struct {
|
|
u32 offset;
|
|
} tails[2];
|
|
|
|
/**
|
|
* Index for the aged tail ready to read()
|
|
* data up to.
|
|
*/
|
|
unsigned int aged_tail_idx;
|
|
|
|
/**
|
|
* A monotonic timestamp for when the current
|
|
* aging tail pointer was read; used to
|
|
* determine when it is old enough to trust.
|
|
*/
|
|
u64 aging_timestamp;
|
|
|
|
/**
|
|
* Although we can always read back the head
|
|
* pointer register, we prefer to avoid
|
|
* trusting the HW state, just to avoid any
|
|
* risk that some hardware condition could
|
|
* somehow bump the head pointer unpredictably
|
|
* and cause us to forward the wrong OA buffer
|
|
* data to userspace.
|
|
*/
|
|
u32 head;
|
|
} oa_buffer;
|
|
|
|
u32 gen7_latched_oastatus1;
|
|
u32 ctx_oactxctrl_offset;
|
|
u32 ctx_flexeu0_offset;
|
|
|
|
/**
|
|
* The RPT_ID/reason field for Gen8+ includes a bit
|
|
* to determine if the CTX ID in the report is valid
|
|
* but the specific bit differs between Gen 8 and 9
|
|
*/
|
|
u32 gen8_valid_ctx_bit;
|
|
|
|
struct i915_oa_ops ops;
|
|
const struct i915_oa_format *oa_formats;
|
|
} oa;
|
|
} perf;
|
|
|
|
/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
|
|
struct {
|
|
void (*resume)(struct drm_i915_private *);
|
|
void (*cleanup_engine)(struct intel_engine_cs *engine);
|
|
|
|
struct list_head timelines;
|
|
|
|
struct list_head active_rings;
|
|
struct list_head closed_vma;
|
|
u32 active_requests;
|
|
u32 request_serial;
|
|
|
|
/**
|
|
* Is the GPU currently considered idle, or busy executing
|
|
* userspace requests? Whilst idle, we allow runtime power
|
|
* management to power down the hardware and display clocks.
|
|
* In order to reduce the effect on performance, there
|
|
* is a slight delay before we do so.
|
|
*/
|
|
bool awake;
|
|
|
|
/**
|
|
* The number of times we have woken up.
|
|
*/
|
|
unsigned int epoch;
|
|
#define I915_EPOCH_INVALID 0
|
|
|
|
/**
|
|
* We leave the user IRQ off as much as possible,
|
|
* but this means that requests will finish and never
|
|
* be retired once the system goes idle. Set a timer to
|
|
* fire periodically while the ring is running. When it
|
|
* fires, go retire requests.
|
|
*/
|
|
struct delayed_work retire_work;
|
|
|
|
/**
|
|
* When we detect an idle GPU, we want to turn on
|
|
* powersaving features. So once we see that there
|
|
* are no more requests outstanding and no more
|
|
* arrive within a small period of time, we fire
|
|
* off the idle_work.
|
|
*/
|
|
struct delayed_work idle_work;
|
|
|
|
ktime_t last_init_time;
|
|
} gt;
|
|
|
|
/* perform PHY state sanity checks? */
|
|
bool chv_phy_assert[2];
|
|
|
|
bool ipc_enabled;
|
|
|
|
/* Used to save the pipe-to-encoder mapping for audio */
|
|
struct intel_encoder *av_enc_map[I915_MAX_PIPES];
|
|
|
|
/* necessary resource sharing with HDMI LPE audio driver. */
|
|
struct {
|
|
struct platform_device *platdev;
|
|
int irq;
|
|
} lpe_audio;
|
|
|
|
struct i915_pmu pmu;
|
|
|
|
/*
|
|
* NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
|
|
* will be rejected. Instead look for a better place.
|
|
*/
|
|
};
|
|
|
|
static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
|
|
{
|
|
return container_of(dev, struct drm_i915_private, drm);
|
|
}
|
|
|
|
static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
|
|
{
|
|
return to_i915(dev_get_drvdata(kdev));
|
|
}
|
|
|
|
static inline struct drm_i915_private *wopcm_to_i915(struct intel_wopcm *wopcm)
|
|
{
|
|
return container_of(wopcm, struct drm_i915_private, wopcm);
|
|
}
|
|
|
|
static inline struct drm_i915_private *guc_to_i915(struct intel_guc *guc)
|
|
{
|
|
return container_of(guc, struct drm_i915_private, guc);
|
|
}
|
|
|
|
static inline struct drm_i915_private *huc_to_i915(struct intel_huc *huc)
|
|
{
|
|
return container_of(huc, struct drm_i915_private, huc);
|
|
}
|
|
|
|
/* Simple iterator over all initialised engines */
|
|
#define for_each_engine(engine__, dev_priv__, id__) \
|
|
for ((id__) = 0; \
|
|
(id__) < I915_NUM_ENGINES; \
|
|
(id__)++) \
|
|
for_each_if ((engine__) = (dev_priv__)->engine[(id__)])
|
|
|
|
/* Iterator over subset of engines selected by mask */
|
|
#define for_each_engine_masked(engine__, dev_priv__, mask__, tmp__) \
|
|
for ((tmp__) = (mask__) & INTEL_INFO(dev_priv__)->ring_mask; \
|
|
(tmp__) ? \
|
|
((engine__) = (dev_priv__)->engine[__mask_next_bit(tmp__)]), 1 : \
|
|
0;)
|
|
|
|
enum hdmi_force_audio {
|
|
HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */
|
|
HDMI_AUDIO_OFF, /* force turn off HDMI audio */
|
|
HDMI_AUDIO_AUTO, /* trust EDID */
|
|
HDMI_AUDIO_ON, /* force turn on HDMI audio */
|
|
};
|
|
|
|
#define I915_GTT_OFFSET_NONE ((u32)-1)
|
|
|
|
/*
|
|
* Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
|
|
* considered to be the frontbuffer for the given plane interface-wise. This
|
|
* doesn't mean that the hw necessarily already scans it out, but that any
|
|
* rendering (by the cpu or gpu) will land in the frontbuffer eventually.
|
|
*
|
|
* We have one bit per pipe and per scanout plane type.
|
|
*/
|
|
#define INTEL_FRONTBUFFER_BITS_PER_PIPE 8
|
|
#define INTEL_FRONTBUFFER(pipe, plane_id) ({ \
|
|
BUILD_BUG_ON(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES > 32); \
|
|
BUILD_BUG_ON(I915_MAX_PLANES > INTEL_FRONTBUFFER_BITS_PER_PIPE); \
|
|
BIT((plane_id) + INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)); \
|
|
})
|
|
#define INTEL_FRONTBUFFER_OVERLAY(pipe) \
|
|
BIT(INTEL_FRONTBUFFER_BITS_PER_PIPE - 1 + INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
|
|
#define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
|
|
GENMASK(INTEL_FRONTBUFFER_BITS_PER_PIPE * ((pipe) + 1) - 1, \
|
|
INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
|
|
|
|
/*
|
|
* Optimised SGL iterator for GEM objects
|
|
*/
|
|
static __always_inline struct sgt_iter {
|
|
struct scatterlist *sgp;
|
|
union {
|
|
unsigned long pfn;
|
|
dma_addr_t dma;
|
|
};
|
|
unsigned int curr;
|
|
unsigned int max;
|
|
} __sgt_iter(struct scatterlist *sgl, bool dma) {
|
|
struct sgt_iter s = { .sgp = sgl };
|
|
|
|
if (s.sgp) {
|
|
s.max = s.curr = s.sgp->offset;
|
|
s.max += s.sgp->length;
|
|
if (dma)
|
|
s.dma = sg_dma_address(s.sgp);
|
|
else
|
|
s.pfn = page_to_pfn(sg_page(s.sgp));
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
static inline struct scatterlist *____sg_next(struct scatterlist *sg)
|
|
{
|
|
++sg;
|
|
if (unlikely(sg_is_chain(sg)))
|
|
sg = sg_chain_ptr(sg);
|
|
return sg;
|
|
}
|
|
|
|
/**
|
|
* __sg_next - return the next scatterlist entry in a list
|
|
* @sg: The current sg entry
|
|
*
|
|
* Description:
|
|
* If the entry is the last, return NULL; otherwise, step to the next
|
|
* element in the array (@sg@+1). If that's a chain pointer, follow it;
|
|
* otherwise just return the pointer to the current element.
|
|
**/
|
|
static inline struct scatterlist *__sg_next(struct scatterlist *sg)
|
|
{
|
|
#ifdef CONFIG_DEBUG_SG
|
|
BUG_ON(sg->sg_magic != SG_MAGIC);
|
|
#endif
|
|
return sg_is_last(sg) ? NULL : ____sg_next(sg);
|
|
}
|
|
|
|
/**
|
|
* for_each_sgt_dma - iterate over the DMA addresses of the given sg_table
|
|
* @__dmap: DMA address (output)
|
|
* @__iter: 'struct sgt_iter' (iterator state, internal)
|
|
* @__sgt: sg_table to iterate over (input)
|
|
*/
|
|
#define for_each_sgt_dma(__dmap, __iter, __sgt) \
|
|
for ((__iter) = __sgt_iter((__sgt)->sgl, true); \
|
|
((__dmap) = (__iter).dma + (__iter).curr); \
|
|
(((__iter).curr += PAGE_SIZE) >= (__iter).max) ? \
|
|
(__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0 : 0)
|
|
|
|
/**
|
|
* for_each_sgt_page - iterate over the pages of the given sg_table
|
|
* @__pp: page pointer (output)
|
|
* @__iter: 'struct sgt_iter' (iterator state, internal)
|
|
* @__sgt: sg_table to iterate over (input)
|
|
*/
|
|
#define for_each_sgt_page(__pp, __iter, __sgt) \
|
|
for ((__iter) = __sgt_iter((__sgt)->sgl, false); \
|
|
((__pp) = (__iter).pfn == 0 ? NULL : \
|
|
pfn_to_page((__iter).pfn + ((__iter).curr >> PAGE_SHIFT))); \
|
|
(((__iter).curr += PAGE_SIZE) >= (__iter).max) ? \
|
|
(__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0 : 0)
|
|
|
|
static inline unsigned int i915_sg_page_sizes(struct scatterlist *sg)
|
|
{
|
|
unsigned int page_sizes;
|
|
|
|
page_sizes = 0;
|
|
while (sg) {
|
|
GEM_BUG_ON(sg->offset);
|
|
GEM_BUG_ON(!IS_ALIGNED(sg->length, PAGE_SIZE));
|
|
page_sizes |= sg->length;
|
|
sg = __sg_next(sg);
|
|
}
|
|
|
|
return page_sizes;
|
|
}
|
|
|
|
static inline unsigned int i915_sg_segment_size(void)
|
|
{
|
|
unsigned int size = swiotlb_max_segment();
|
|
|
|
if (size == 0)
|
|
return SCATTERLIST_MAX_SEGMENT;
|
|
|
|
size = rounddown(size, PAGE_SIZE);
|
|
/* swiotlb_max_segment_size can return 1 byte when it means one page. */
|
|
if (size < PAGE_SIZE)
|
|
size = PAGE_SIZE;
|
|
|
|
return size;
|
|
}
|
|
|
|
static inline const struct intel_device_info *
|
|
intel_info(const struct drm_i915_private *dev_priv)
|
|
{
|
|
return &dev_priv->info;
|
|
}
|
|
|
|
#define INTEL_INFO(dev_priv) intel_info((dev_priv))
|
|
|
|
#define INTEL_GEN(dev_priv) ((dev_priv)->info.gen)
|
|
#define INTEL_DEVID(dev_priv) ((dev_priv)->info.device_id)
|
|
|
|
#define REVID_FOREVER 0xff
|
|
#define INTEL_REVID(dev_priv) ((dev_priv)->drm.pdev->revision)
|
|
|
|
#define GEN_FOREVER (0)
|
|
|
|
#define INTEL_GEN_MASK(s, e) ( \
|
|
BUILD_BUG_ON_ZERO(!__builtin_constant_p(s)) + \
|
|
BUILD_BUG_ON_ZERO(!__builtin_constant_p(e)) + \
|
|
GENMASK((e) != GEN_FOREVER ? (e) - 1 : BITS_PER_LONG - 1, \
|
|
(s) != GEN_FOREVER ? (s) - 1 : 0) \
|
|
)
|
|
|
|
/*
|
|
* Returns true if Gen is in inclusive range [Start, End].
|
|
*
|
|
* Use GEN_FOREVER for unbound start and or end.
|
|
*/
|
|
#define IS_GEN(dev_priv, s, e) \
|
|
(!!((dev_priv)->info.gen_mask & INTEL_GEN_MASK((s), (e))))
|
|
|
|
/*
|
|
* Return true if revision is in range [since,until] inclusive.
|
|
*
|
|
* Use 0 for open-ended since, and REVID_FOREVER for open-ended until.
|
|
*/
|
|
#define IS_REVID(p, since, until) \
|
|
(INTEL_REVID(p) >= (since) && INTEL_REVID(p) <= (until))
|
|
|
|
#define IS_PLATFORM(dev_priv, p) ((dev_priv)->info.platform_mask & BIT(p))
|
|
|
|
#define IS_I830(dev_priv) IS_PLATFORM(dev_priv, INTEL_I830)
|
|
#define IS_I845G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I845G)
|
|
#define IS_I85X(dev_priv) IS_PLATFORM(dev_priv, INTEL_I85X)
|
|
#define IS_I865G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I865G)
|
|
#define IS_I915G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I915G)
|
|
#define IS_I915GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I915GM)
|
|
#define IS_I945G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I945G)
|
|
#define IS_I945GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I945GM)
|
|
#define IS_I965G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I965G)
|
|
#define IS_I965GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I965GM)
|
|
#define IS_G45(dev_priv) IS_PLATFORM(dev_priv, INTEL_G45)
|
|
#define IS_GM45(dev_priv) IS_PLATFORM(dev_priv, INTEL_GM45)
|
|
#define IS_G4X(dev_priv) (IS_G45(dev_priv) || IS_GM45(dev_priv))
|
|
#define IS_PINEVIEW_G(dev_priv) (INTEL_DEVID(dev_priv) == 0xa001)
|
|
#define IS_PINEVIEW_M(dev_priv) (INTEL_DEVID(dev_priv) == 0xa011)
|
|
#define IS_PINEVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_PINEVIEW)
|
|
#define IS_G33(dev_priv) IS_PLATFORM(dev_priv, INTEL_G33)
|
|
#define IS_IRONLAKE_M(dev_priv) (INTEL_DEVID(dev_priv) == 0x0046)
|
|
#define IS_IVYBRIDGE(dev_priv) IS_PLATFORM(dev_priv, INTEL_IVYBRIDGE)
|
|
#define IS_IVB_GT1(dev_priv) (IS_IVYBRIDGE(dev_priv) && \
|
|
(dev_priv)->info.gt == 1)
|
|
#define IS_VALLEYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_VALLEYVIEW)
|
|
#define IS_CHERRYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_CHERRYVIEW)
|
|
#define IS_HASWELL(dev_priv) IS_PLATFORM(dev_priv, INTEL_HASWELL)
|
|
#define IS_BROADWELL(dev_priv) IS_PLATFORM(dev_priv, INTEL_BROADWELL)
|
|
#define IS_SKYLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_SKYLAKE)
|
|
#define IS_BROXTON(dev_priv) IS_PLATFORM(dev_priv, INTEL_BROXTON)
|
|
#define IS_KABYLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_KABYLAKE)
|
|
#define IS_GEMINILAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_GEMINILAKE)
|
|
#define IS_COFFEELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_COFFEELAKE)
|
|
#define IS_CANNONLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_CANNONLAKE)
|
|
#define IS_ICELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ICELAKE)
|
|
#define IS_MOBILE(dev_priv) ((dev_priv)->info.is_mobile)
|
|
#define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
|
|
(INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
|
|
#define IS_BDW_ULT(dev_priv) (IS_BROADWELL(dev_priv) && \
|
|
((INTEL_DEVID(dev_priv) & 0xf) == 0x6 || \
|
|
(INTEL_DEVID(dev_priv) & 0xf) == 0xb || \
|
|
(INTEL_DEVID(dev_priv) & 0xf) == 0xe))
|
|
/* ULX machines are also considered ULT. */
|
|
#define IS_BDW_ULX(dev_priv) (IS_BROADWELL(dev_priv) && \
|
|
(INTEL_DEVID(dev_priv) & 0xf) == 0xe)
|
|
#define IS_BDW_GT3(dev_priv) (IS_BROADWELL(dev_priv) && \
|
|
(dev_priv)->info.gt == 3)
|
|
#define IS_HSW_ULT(dev_priv) (IS_HASWELL(dev_priv) && \
|
|
(INTEL_DEVID(dev_priv) & 0xFF00) == 0x0A00)
|
|
#define IS_HSW_GT3(dev_priv) (IS_HASWELL(dev_priv) && \
|
|
(dev_priv)->info.gt == 3)
|
|
/* ULX machines are also considered ULT. */
|
|
#define IS_HSW_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x0A0E || \
|
|
INTEL_DEVID(dev_priv) == 0x0A1E)
|
|
#define IS_SKL_ULT(dev_priv) (INTEL_DEVID(dev_priv) == 0x1906 || \
|
|
INTEL_DEVID(dev_priv) == 0x1913 || \
|
|
INTEL_DEVID(dev_priv) == 0x1916 || \
|
|
INTEL_DEVID(dev_priv) == 0x1921 || \
|
|
INTEL_DEVID(dev_priv) == 0x1926)
|
|
#define IS_SKL_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x190E || \
|
|
INTEL_DEVID(dev_priv) == 0x1915 || \
|
|
INTEL_DEVID(dev_priv) == 0x191E)
|
|
#define IS_KBL_ULT(dev_priv) (INTEL_DEVID(dev_priv) == 0x5906 || \
|
|
INTEL_DEVID(dev_priv) == 0x5913 || \
|
|
INTEL_DEVID(dev_priv) == 0x5916 || \
|
|
INTEL_DEVID(dev_priv) == 0x5921 || \
|
|
INTEL_DEVID(dev_priv) == 0x5926)
|
|
#define IS_KBL_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x590E || \
|
|
INTEL_DEVID(dev_priv) == 0x5915 || \
|
|
INTEL_DEVID(dev_priv) == 0x591E)
|
|
#define IS_SKL_GT2(dev_priv) (IS_SKYLAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 2)
|
|
#define IS_SKL_GT3(dev_priv) (IS_SKYLAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 3)
|
|
#define IS_SKL_GT4(dev_priv) (IS_SKYLAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 4)
|
|
#define IS_KBL_GT2(dev_priv) (IS_KABYLAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 2)
|
|
#define IS_KBL_GT3(dev_priv) (IS_KABYLAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 3)
|
|
#define IS_CFL_ULT(dev_priv) (IS_COFFEELAKE(dev_priv) && \
|
|
(INTEL_DEVID(dev_priv) & 0x00F0) == 0x00A0)
|
|
#define IS_CFL_GT2(dev_priv) (IS_COFFEELAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 2)
|
|
#define IS_CFL_GT3(dev_priv) (IS_COFFEELAKE(dev_priv) && \
|
|
(dev_priv)->info.gt == 3)
|
|
#define IS_CNL_WITH_PORT_F(dev_priv) (IS_CANNONLAKE(dev_priv) && \
|
|
(INTEL_DEVID(dev_priv) & 0x0004) == 0x0004)
|
|
|
|
#define IS_ALPHA_SUPPORT(intel_info) ((intel_info)->is_alpha_support)
|
|
|
|
#define SKL_REVID_A0 0x0
|
|
#define SKL_REVID_B0 0x1
|
|
#define SKL_REVID_C0 0x2
|
|
#define SKL_REVID_D0 0x3
|
|
#define SKL_REVID_E0 0x4
|
|
#define SKL_REVID_F0 0x5
|
|
#define SKL_REVID_G0 0x6
|
|
#define SKL_REVID_H0 0x7
|
|
|
|
#define IS_SKL_REVID(p, since, until) (IS_SKYLAKE(p) && IS_REVID(p, since, until))
|
|
|
|
#define BXT_REVID_A0 0x0
|
|
#define BXT_REVID_A1 0x1
|
|
#define BXT_REVID_B0 0x3
|
|
#define BXT_REVID_B_LAST 0x8
|
|
#define BXT_REVID_C0 0x9
|
|
|
|
#define IS_BXT_REVID(dev_priv, since, until) \
|
|
(IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until))
|
|
|
|
#define KBL_REVID_A0 0x0
|
|
#define KBL_REVID_B0 0x1
|
|
#define KBL_REVID_C0 0x2
|
|
#define KBL_REVID_D0 0x3
|
|
#define KBL_REVID_E0 0x4
|
|
|
|
#define IS_KBL_REVID(dev_priv, since, until) \
|
|
(IS_KABYLAKE(dev_priv) && IS_REVID(dev_priv, since, until))
|
|
|
|
#define GLK_REVID_A0 0x0
|
|
#define GLK_REVID_A1 0x1
|
|
|
|
#define IS_GLK_REVID(dev_priv, since, until) \
|
|
(IS_GEMINILAKE(dev_priv) && IS_REVID(dev_priv, since, until))
|
|
|
|
#define CNL_REVID_A0 0x0
|
|
#define CNL_REVID_B0 0x1
|
|
#define CNL_REVID_C0 0x2
|
|
|
|
#define IS_CNL_REVID(p, since, until) \
|
|
(IS_CANNONLAKE(p) && IS_REVID(p, since, until))
|
|
|
|
#define ICL_REVID_A0 0x0
|
|
#define ICL_REVID_A2 0x1
|
|
#define ICL_REVID_B0 0x3
|
|
#define ICL_REVID_B2 0x4
|
|
#define ICL_REVID_C0 0x5
|
|
|
|
#define IS_ICL_REVID(p, since, until) \
|
|
(IS_ICELAKE(p) && IS_REVID(p, since, until))
|
|
|
|
/*
|
|
* The genX designation typically refers to the render engine, so render
|
|
* capability related checks should use IS_GEN, while display and other checks
|
|
* have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
|
|
* chips, etc.).
|
|
*/
|
|
#define IS_GEN2(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(1)))
|
|
#define IS_GEN3(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(2)))
|
|
#define IS_GEN4(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(3)))
|
|
#define IS_GEN5(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(4)))
|
|
#define IS_GEN6(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(5)))
|
|
#define IS_GEN7(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(6)))
|
|
#define IS_GEN8(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(7)))
|
|
#define IS_GEN9(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(8)))
|
|
#define IS_GEN10(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(9)))
|
|
#define IS_GEN11(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(10)))
|
|
|
|
#define IS_LP(dev_priv) (INTEL_INFO(dev_priv)->is_lp)
|
|
#define IS_GEN9_LP(dev_priv) (IS_GEN9(dev_priv) && IS_LP(dev_priv))
|
|
#define IS_GEN9_BC(dev_priv) (IS_GEN9(dev_priv) && !IS_LP(dev_priv))
|
|
|
|
#define ENGINE_MASK(id) BIT(id)
|
|
#define RENDER_RING ENGINE_MASK(RCS)
|
|
#define BSD_RING ENGINE_MASK(VCS)
|
|
#define BLT_RING ENGINE_MASK(BCS)
|
|
#define VEBOX_RING ENGINE_MASK(VECS)
|
|
#define BSD2_RING ENGINE_MASK(VCS2)
|
|
#define BSD3_RING ENGINE_MASK(VCS3)
|
|
#define BSD4_RING ENGINE_MASK(VCS4)
|
|
#define VEBOX2_RING ENGINE_MASK(VECS2)
|
|
#define ALL_ENGINES (~0)
|
|
|
|
#define HAS_ENGINE(dev_priv, id) \
|
|
(!!((dev_priv)->info.ring_mask & ENGINE_MASK(id)))
|
|
|
|
#define HAS_BSD(dev_priv) HAS_ENGINE(dev_priv, VCS)
|
|
#define HAS_BSD2(dev_priv) HAS_ENGINE(dev_priv, VCS2)
|
|
#define HAS_BLT(dev_priv) HAS_ENGINE(dev_priv, BCS)
|
|
#define HAS_VEBOX(dev_priv) HAS_ENGINE(dev_priv, VECS)
|
|
|
|
#define HAS_LEGACY_SEMAPHORES(dev_priv) IS_GEN7(dev_priv)
|
|
|
|
#define HAS_LLC(dev_priv) ((dev_priv)->info.has_llc)
|
|
#define HAS_SNOOP(dev_priv) ((dev_priv)->info.has_snoop)
|
|
#define HAS_EDRAM(dev_priv) (!!((dev_priv)->edram_cap & EDRAM_ENABLED))
|
|
#define HAS_WT(dev_priv) ((IS_HASWELL(dev_priv) || \
|
|
IS_BROADWELL(dev_priv)) && HAS_EDRAM(dev_priv))
|
|
|
|
#define HWS_NEEDS_PHYSICAL(dev_priv) ((dev_priv)->info.hws_needs_physical)
|
|
|
|
#define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
|
|
((dev_priv)->info.has_logical_ring_contexts)
|
|
#define HAS_LOGICAL_RING_ELSQ(dev_priv) \
|
|
((dev_priv)->info.has_logical_ring_elsq)
|
|
#define HAS_LOGICAL_RING_PREEMPTION(dev_priv) \
|
|
((dev_priv)->info.has_logical_ring_preemption)
|
|
|
|
#define HAS_EXECLISTS(dev_priv) HAS_LOGICAL_RING_CONTEXTS(dev_priv)
|
|
|
|
#define USES_PPGTT(dev_priv) (i915_modparams.enable_ppgtt)
|
|
#define USES_FULL_PPGTT(dev_priv) (i915_modparams.enable_ppgtt >= 2)
|
|
#define USES_FULL_48BIT_PPGTT(dev_priv) (i915_modparams.enable_ppgtt == 3)
|
|
#define HAS_PAGE_SIZES(dev_priv, sizes) ({ \
|
|
GEM_BUG_ON((sizes) == 0); \
|
|
((sizes) & ~(dev_priv)->info.page_sizes) == 0; \
|
|
})
|
|
|
|
#define HAS_OVERLAY(dev_priv) ((dev_priv)->info.has_overlay)
|
|
#define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
|
|
((dev_priv)->info.overlay_needs_physical)
|
|
|
|
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
|
|
#define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv))
|
|
|
|
/* WaRsDisableCoarsePowerGating:skl,cnl */
|
|
#define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \
|
|
(IS_CANNONLAKE(dev_priv) || \
|
|
IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
|
|
|
|
/*
|
|
* dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
|
|
* even when in MSI mode. This results in spurious interrupt warnings if the
|
|
* legacy irq no. is shared with another device. The kernel then disables that
|
|
* interrupt source and so prevents the other device from working properly.
|
|
*
|
|
* Since we don't enable MSI anymore on gen4, we can always use GMBUS/AUX
|
|
* interrupts.
|
|
*/
|
|
#define HAS_AUX_IRQ(dev_priv) true
|
|
#define HAS_GMBUS_IRQ(dev_priv) (INTEL_GEN(dev_priv) >= 4)
|
|
|
|
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
|
|
* rows, which changed the alignment requirements and fence programming.
|
|
*/
|
|
#define HAS_128_BYTE_Y_TILING(dev_priv) (!IS_GEN2(dev_priv) && \
|
|
!(IS_I915G(dev_priv) || \
|
|
IS_I915GM(dev_priv)))
|
|
#define SUPPORTS_TV(dev_priv) ((dev_priv)->info.supports_tv)
|
|
#define I915_HAS_HOTPLUG(dev_priv) ((dev_priv)->info.has_hotplug)
|
|
|
|
#define HAS_FW_BLC(dev_priv) (INTEL_GEN(dev_priv) > 2)
|
|
#define HAS_FBC(dev_priv) ((dev_priv)->info.has_fbc)
|
|
#define HAS_CUR_FBC(dev_priv) (!HAS_GMCH_DISPLAY(dev_priv) && INTEL_GEN(dev_priv) >= 7)
|
|
|
|
#define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
|
|
|
|
#define HAS_DP_MST(dev_priv) ((dev_priv)->info.has_dp_mst)
|
|
|
|
#define HAS_DDI(dev_priv) ((dev_priv)->info.has_ddi)
|
|
#define HAS_FPGA_DBG_UNCLAIMED(dev_priv) ((dev_priv)->info.has_fpga_dbg)
|
|
#define HAS_PSR(dev_priv) ((dev_priv)->info.has_psr)
|
|
|
|
#define HAS_RC6(dev_priv) ((dev_priv)->info.has_rc6)
|
|
#define HAS_RC6p(dev_priv) ((dev_priv)->info.has_rc6p)
|
|
#define HAS_RC6pp(dev_priv) (false) /* HW was never validated */
|
|
|
|
#define HAS_CSR(dev_priv) ((dev_priv)->info.has_csr)
|
|
|
|
#define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm)
|
|
#define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc)
|
|
|
|
#define HAS_IPC(dev_priv) ((dev_priv)->info.has_ipc)
|
|
|
|
/*
|
|
* For now, anything with a GuC requires uCode loading, and then supports
|
|
* command submission once loaded. But these are logically independent
|
|
* properties, so we have separate macros to test them.
|
|
*/
|
|
#define HAS_GUC(dev_priv) ((dev_priv)->info.has_guc)
|
|
#define HAS_GUC_CT(dev_priv) ((dev_priv)->info.has_guc_ct)
|
|
#define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
|
|
#define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv))
|
|
|
|
/* For now, anything with a GuC has also HuC */
|
|
#define HAS_HUC(dev_priv) (HAS_GUC(dev_priv))
|
|
#define HAS_HUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
|
|
|
|
/* Having a GuC is not the same as using a GuC */
|
|
#define USES_GUC(dev_priv) intel_uc_is_using_guc()
|
|
#define USES_GUC_SUBMISSION(dev_priv) intel_uc_is_using_guc_submission()
|
|
#define USES_HUC(dev_priv) intel_uc_is_using_huc()
|
|
|
|
#define HAS_RESOURCE_STREAMER(dev_priv) ((dev_priv)->info.has_resource_streamer)
|
|
|
|
#define HAS_POOLED_EU(dev_priv) ((dev_priv)->info.has_pooled_eu)
|
|
|
|
#define INTEL_PCH_DEVICE_ID_MASK 0xff80
|
|
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
|
|
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
|
|
#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
|
|
#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
|
|
#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
|
|
#define INTEL_PCH_WPT_DEVICE_ID_TYPE 0x8c80
|
|
#define INTEL_PCH_WPT_LP_DEVICE_ID_TYPE 0x9c80
|
|
#define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100
|
|
#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00
|
|
#define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA280
|
|
#define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300
|
|
#define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE 0x9D80
|
|
#define INTEL_PCH_ICP_DEVICE_ID_TYPE 0x3480
|
|
#define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
|
|
#define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
|
|
#define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */
|
|
|
|
#define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type)
|
|
#define INTEL_PCH_ID(dev_priv) ((dev_priv)->pch_id)
|
|
#define HAS_PCH_ICP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_ICP)
|
|
#define HAS_PCH_CNP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CNP)
|
|
#define HAS_PCH_CNP_LP(dev_priv) \
|
|
(INTEL_PCH_ID(dev_priv) == INTEL_PCH_CNP_LP_DEVICE_ID_TYPE)
|
|
#define HAS_PCH_KBP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_KBP)
|
|
#define HAS_PCH_SPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_SPT)
|
|
#define HAS_PCH_LPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_LPT)
|
|
#define HAS_PCH_LPT_LP(dev_priv) \
|
|
(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE || \
|
|
INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_LP_DEVICE_ID_TYPE)
|
|
#define HAS_PCH_LPT_H(dev_priv) \
|
|
(INTEL_PCH_ID(dev_priv) == INTEL_PCH_LPT_DEVICE_ID_TYPE || \
|
|
INTEL_PCH_ID(dev_priv) == INTEL_PCH_WPT_DEVICE_ID_TYPE)
|
|
#define HAS_PCH_CPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CPT)
|
|
#define HAS_PCH_IBX(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_IBX)
|
|
#define HAS_PCH_NOP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_NOP)
|
|
#define HAS_PCH_SPLIT(dev_priv) (INTEL_PCH_TYPE(dev_priv) != PCH_NONE)
|
|
|
|
#define HAS_GMCH_DISPLAY(dev_priv) ((dev_priv)->info.has_gmch_display)
|
|
|
|
#define HAS_LSPCON(dev_priv) (INTEL_GEN(dev_priv) >= 9)
|
|
|
|
/* DPF == dynamic parity feature */
|
|
#define HAS_L3_DPF(dev_priv) ((dev_priv)->info.has_l3_dpf)
|
|
#define NUM_L3_SLICES(dev_priv) (IS_HSW_GT3(dev_priv) ? \
|
|
2 : HAS_L3_DPF(dev_priv))
|
|
|
|
#define GT_FREQUENCY_MULTIPLIER 50
|
|
#define GEN9_FREQ_SCALER 3
|
|
|
|
#include "i915_trace.h"
|
|
|
|
static inline bool intel_vtd_active(void)
|
|
{
|
|
#ifdef CONFIG_INTEL_IOMMU
|
|
if (intel_iommu_gfx_mapped)
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
|
|
{
|
|
return INTEL_GEN(dev_priv) >= 6 && intel_vtd_active();
|
|
}
|
|
|
|
static inline bool
|
|
intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
|
|
{
|
|
return IS_BROXTON(dev_priv) && intel_vtd_active();
|
|
}
|
|
|
|
int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
|
|
int enable_ppgtt);
|
|
|
|
/* i915_drv.c */
|
|
void __printf(3, 4)
|
|
__i915_printk(struct drm_i915_private *dev_priv, const char *level,
|
|
const char *fmt, ...);
|
|
|
|
#define i915_report_error(dev_priv, fmt, ...) \
|
|
__i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__)
|
|
|
|
#ifdef CONFIG_COMPAT
|
|
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg);
|
|
#else
|
|
#define i915_compat_ioctl NULL
|
|
#endif
|
|
extern const struct dev_pm_ops i915_pm_ops;
|
|
|
|
extern int i915_driver_load(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent);
|
|
extern void i915_driver_unload(struct drm_device *dev);
|
|
extern int intel_gpu_reset(struct drm_i915_private *dev_priv, u32 engine_mask);
|
|
extern bool intel_has_gpu_reset(struct drm_i915_private *dev_priv);
|
|
|
|
extern void i915_reset(struct drm_i915_private *i915,
|
|
unsigned int stalled_mask,
|
|
const char *reason);
|
|
extern int i915_reset_engine(struct intel_engine_cs *engine,
|
|
const char *reason);
|
|
|
|
extern bool intel_has_reset_engine(struct drm_i915_private *dev_priv);
|
|
extern int intel_reset_guc(struct drm_i915_private *dev_priv);
|
|
extern int intel_guc_reset_engine(struct intel_guc *guc,
|
|
struct intel_engine_cs *engine);
|
|
extern void intel_engine_init_hangcheck(struct intel_engine_cs *engine);
|
|
extern void intel_hangcheck_init(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
|
|
extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
|
|
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
|
|
|
|
int intel_engines_init_mmio(struct drm_i915_private *dev_priv);
|
|
int intel_engines_init(struct drm_i915_private *dev_priv);
|
|
|
|
u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv);
|
|
|
|
/* intel_hotplug.c */
|
|
void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
|
|
u32 pin_mask, u32 long_mask);
|
|
void intel_hpd_init(struct drm_i915_private *dev_priv);
|
|
void intel_hpd_init_work(struct drm_i915_private *dev_priv);
|
|
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
|
|
enum port intel_hpd_pin_to_port(struct drm_i915_private *dev_priv,
|
|
enum hpd_pin pin);
|
|
enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
|
|
enum port port);
|
|
bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
|
|
void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
|
|
|
|
/* i915_irq.c */
|
|
static inline void i915_queue_hangcheck(struct drm_i915_private *dev_priv)
|
|
{
|
|
unsigned long delay;
|
|
|
|
if (unlikely(!i915_modparams.enable_hangcheck))
|
|
return;
|
|
|
|
/* Don't continually defer the hangcheck so that it is always run at
|
|
* least once after work has been scheduled on any ring. Otherwise,
|
|
* we will ignore a hung ring if a second ring is kept busy.
|
|
*/
|
|
|
|
delay = round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES);
|
|
queue_delayed_work(system_long_wq,
|
|
&dev_priv->gpu_error.hangcheck_work, delay);
|
|
}
|
|
|
|
__printf(4, 5)
|
|
void i915_handle_error(struct drm_i915_private *dev_priv,
|
|
u32 engine_mask,
|
|
unsigned long flags,
|
|
const char *fmt, ...);
|
|
#define I915_ERROR_CAPTURE BIT(0)
|
|
|
|
extern void intel_irq_init(struct drm_i915_private *dev_priv);
|
|
extern void intel_irq_fini(struct drm_i915_private *dev_priv);
|
|
int intel_irq_install(struct drm_i915_private *dev_priv);
|
|
void intel_irq_uninstall(struct drm_i915_private *dev_priv);
|
|
|
|
static inline bool intel_gvt_active(struct drm_i915_private *dev_priv)
|
|
{
|
|
return dev_priv->gvt;
|
|
}
|
|
|
|
static inline bool intel_vgpu_active(struct drm_i915_private *dev_priv)
|
|
{
|
|
return dev_priv->vgpu.active;
|
|
}
|
|
|
|
u32 i915_pipestat_enable_mask(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe);
|
|
void
|
|
i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
|
|
u32 status_mask);
|
|
|
|
void
|
|
i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
|
|
u32 status_mask);
|
|
|
|
void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv);
|
|
void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv);
|
|
void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv,
|
|
uint32_t mask,
|
|
uint32_t bits);
|
|
void ilk_update_display_irq(struct drm_i915_private *dev_priv,
|
|
uint32_t interrupt_mask,
|
|
uint32_t enabled_irq_mask);
|
|
static inline void
|
|
ilk_enable_display_irq(struct drm_i915_private *dev_priv, uint32_t bits)
|
|
{
|
|
ilk_update_display_irq(dev_priv, bits, bits);
|
|
}
|
|
static inline void
|
|
ilk_disable_display_irq(struct drm_i915_private *dev_priv, uint32_t bits)
|
|
{
|
|
ilk_update_display_irq(dev_priv, bits, 0);
|
|
}
|
|
void bdw_update_pipe_irq(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe,
|
|
uint32_t interrupt_mask,
|
|
uint32_t enabled_irq_mask);
|
|
static inline void bdw_enable_pipe_irq(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe, uint32_t bits)
|
|
{
|
|
bdw_update_pipe_irq(dev_priv, pipe, bits, bits);
|
|
}
|
|
static inline void bdw_disable_pipe_irq(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe, uint32_t bits)
|
|
{
|
|
bdw_update_pipe_irq(dev_priv, pipe, bits, 0);
|
|
}
|
|
void ibx_display_interrupt_update(struct drm_i915_private *dev_priv,
|
|
uint32_t interrupt_mask,
|
|
uint32_t enabled_irq_mask);
|
|
static inline void
|
|
ibx_enable_display_interrupt(struct drm_i915_private *dev_priv, uint32_t bits)
|
|
{
|
|
ibx_display_interrupt_update(dev_priv, bits, bits);
|
|
}
|
|
static inline void
|
|
ibx_disable_display_interrupt(struct drm_i915_private *dev_priv, uint32_t bits)
|
|
{
|
|
ibx_display_interrupt_update(dev_priv, bits, 0);
|
|
}
|
|
|
|
/* i915_gem.c */
|
|
int i915_gem_create_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_init_userptr(struct drm_i915_private *dev_priv);
|
|
void i915_gem_cleanup_userptr(struct drm_i915_private *dev_priv);
|
|
int i915_gem_userptr_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_wait_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void i915_gem_sanitize(struct drm_i915_private *i915);
|
|
int i915_gem_init_early(struct drm_i915_private *dev_priv);
|
|
void i915_gem_cleanup_early(struct drm_i915_private *dev_priv);
|
|
void i915_gem_load_init_fences(struct drm_i915_private *dev_priv);
|
|
int i915_gem_freeze(struct drm_i915_private *dev_priv);
|
|
int i915_gem_freeze_late(struct drm_i915_private *dev_priv);
|
|
|
|
void *i915_gem_object_alloc(struct drm_i915_private *dev_priv);
|
|
void i915_gem_object_free(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_init(struct drm_i915_gem_object *obj,
|
|
const struct drm_i915_gem_object_ops *ops);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_from_data(struct drm_i915_private *dev_priv,
|
|
const void *data, size_t size);
|
|
void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file);
|
|
void i915_gem_free_object(struct drm_gem_object *obj);
|
|
|
|
static inline void i915_gem_drain_freed_objects(struct drm_i915_private *i915)
|
|
{
|
|
if (!atomic_read(&i915->mm.free_count))
|
|
return;
|
|
|
|
/* A single pass should suffice to release all the freed objects (along
|
|
* most call paths) , but be a little more paranoid in that freeing
|
|
* the objects does take a little amount of time, during which the rcu
|
|
* callbacks could have added new objects into the freed list, and
|
|
* armed the work again.
|
|
*/
|
|
do {
|
|
rcu_barrier();
|
|
} while (flush_work(&i915->mm.free_work));
|
|
}
|
|
|
|
static inline void i915_gem_drain_workqueue(struct drm_i915_private *i915)
|
|
{
|
|
/*
|
|
* Similar to objects above (see i915_gem_drain_freed-objects), in
|
|
* general we have workers that are armed by RCU and then rearm
|
|
* themselves in their callbacks. To be paranoid, we need to
|
|
* drain the workqueue a second time after waiting for the RCU
|
|
* grace period so that we catch work queued via RCU from the first
|
|
* pass. As neither drain_workqueue() nor flush_workqueue() report
|
|
* a result, we make an assumption that we only don't require more
|
|
* than 2 passes to catch all recursive RCU delayed work.
|
|
*
|
|
*/
|
|
int pass = 2;
|
|
do {
|
|
rcu_barrier();
|
|
drain_workqueue(i915->wq);
|
|
} while (--pass);
|
|
}
|
|
|
|
struct i915_vma * __must_check
|
|
i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
|
|
const struct i915_ggtt_view *view,
|
|
u64 size,
|
|
u64 alignment,
|
|
u64 flags);
|
|
|
|
int i915_gem_object_unbind(struct drm_i915_gem_object *obj);
|
|
void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
|
|
|
|
void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
|
|
|
|
static inline int __sg_page_count(const struct scatterlist *sg)
|
|
{
|
|
return sg->length >> PAGE_SHIFT;
|
|
}
|
|
|
|
struct scatterlist *
|
|
i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
|
|
unsigned int n, unsigned int *offset);
|
|
|
|
struct page *
|
|
i915_gem_object_get_page(struct drm_i915_gem_object *obj,
|
|
unsigned int n);
|
|
|
|
struct page *
|
|
i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj,
|
|
unsigned int n);
|
|
|
|
dma_addr_t
|
|
i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj,
|
|
unsigned long n);
|
|
|
|
void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj,
|
|
struct sg_table *pages,
|
|
unsigned int sg_page_sizes);
|
|
int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
|
|
|
|
static inline int __must_check
|
|
i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
might_lock(&obj->mm.lock);
|
|
|
|
if (atomic_inc_not_zero(&obj->mm.pages_pin_count))
|
|
return 0;
|
|
|
|
return __i915_gem_object_get_pages(obj);
|
|
}
|
|
|
|
static inline bool
|
|
i915_gem_object_has_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
return !IS_ERR_OR_NULL(READ_ONCE(obj->mm.pages));
|
|
}
|
|
|
|
static inline void
|
|
__i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
|
|
|
|
atomic_inc(&obj->mm.pages_pin_count);
|
|
}
|
|
|
|
static inline bool
|
|
i915_gem_object_has_pinned_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
return atomic_read(&obj->mm.pages_pin_count);
|
|
}
|
|
|
|
static inline void
|
|
__i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
|
|
GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
|
|
|
|
atomic_dec(&obj->mm.pages_pin_count);
|
|
}
|
|
|
|
static inline void
|
|
i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
__i915_gem_object_unpin_pages(obj);
|
|
}
|
|
|
|
enum i915_mm_subclass { /* lockdep subclass for obj->mm.lock */
|
|
I915_MM_NORMAL = 0,
|
|
I915_MM_SHRINKER
|
|
};
|
|
|
|
void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj,
|
|
enum i915_mm_subclass subclass);
|
|
void __i915_gem_object_invalidate(struct drm_i915_gem_object *obj);
|
|
|
|
enum i915_map_type {
|
|
I915_MAP_WB = 0,
|
|
I915_MAP_WC,
|
|
#define I915_MAP_OVERRIDE BIT(31)
|
|
I915_MAP_FORCE_WB = I915_MAP_WB | I915_MAP_OVERRIDE,
|
|
I915_MAP_FORCE_WC = I915_MAP_WC | I915_MAP_OVERRIDE,
|
|
};
|
|
|
|
/**
|
|
* i915_gem_object_pin_map - return a contiguous mapping of the entire object
|
|
* @obj: the object to map into kernel address space
|
|
* @type: the type of mapping, used to select pgprot_t
|
|
*
|
|
* Calls i915_gem_object_pin_pages() to prevent reaping of the object's
|
|
* pages and then returns a contiguous mapping of the backing storage into
|
|
* the kernel address space. Based on the @type of mapping, the PTE will be
|
|
* set to either WriteBack or WriteCombine (via pgprot_t).
|
|
*
|
|
* The caller is responsible for calling i915_gem_object_unpin_map() when the
|
|
* mapping is no longer required.
|
|
*
|
|
* Returns the pointer through which to access the mapped object, or an
|
|
* ERR_PTR() on error.
|
|
*/
|
|
void *__must_check i915_gem_object_pin_map(struct drm_i915_gem_object *obj,
|
|
enum i915_map_type type);
|
|
|
|
/**
|
|
* i915_gem_object_unpin_map - releases an earlier mapping
|
|
* @obj: the object to unmap
|
|
*
|
|
* After pinning the object and mapping its pages, once you are finished
|
|
* with your access, call i915_gem_object_unpin_map() to release the pin
|
|
* upon the mapping. Once the pin count reaches zero, that mapping may be
|
|
* removed.
|
|
*/
|
|
static inline void i915_gem_object_unpin_map(struct drm_i915_gem_object *obj)
|
|
{
|
|
i915_gem_object_unpin_pages(obj);
|
|
}
|
|
|
|
int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object *obj,
|
|
unsigned int *needs_clflush);
|
|
int i915_gem_obj_prepare_shmem_write(struct drm_i915_gem_object *obj,
|
|
unsigned int *needs_clflush);
|
|
#define CLFLUSH_BEFORE BIT(0)
|
|
#define CLFLUSH_AFTER BIT(1)
|
|
#define CLFLUSH_FLAGS (CLFLUSH_BEFORE | CLFLUSH_AFTER)
|
|
|
|
static inline void
|
|
i915_gem_obj_finish_shmem_access(struct drm_i915_gem_object *obj)
|
|
{
|
|
i915_gem_object_unpin_pages(obj);
|
|
}
|
|
|
|
int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
|
|
void i915_vma_move_to_active(struct i915_vma *vma,
|
|
struct i915_request *rq,
|
|
unsigned int flags);
|
|
int i915_gem_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev,
|
|
uint32_t handle, uint64_t *offset);
|
|
int i915_gem_mmap_gtt_version(void);
|
|
|
|
void i915_gem_track_fb(struct drm_i915_gem_object *old,
|
|
struct drm_i915_gem_object *new,
|
|
unsigned frontbuffer_bits);
|
|
|
|
int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
|
|
|
|
struct i915_request *
|
|
i915_gem_find_active_request(struct intel_engine_cs *engine);
|
|
|
|
static inline bool i915_reset_backoff(struct i915_gpu_error *error)
|
|
{
|
|
return unlikely(test_bit(I915_RESET_BACKOFF, &error->flags));
|
|
}
|
|
|
|
static inline bool i915_reset_handoff(struct i915_gpu_error *error)
|
|
{
|
|
return unlikely(test_bit(I915_RESET_HANDOFF, &error->flags));
|
|
}
|
|
|
|
static inline bool i915_terminally_wedged(struct i915_gpu_error *error)
|
|
{
|
|
return unlikely(test_bit(I915_WEDGED, &error->flags));
|
|
}
|
|
|
|
static inline bool i915_reset_backoff_or_wedged(struct i915_gpu_error *error)
|
|
{
|
|
return i915_reset_backoff(error) | i915_terminally_wedged(error);
|
|
}
|
|
|
|
static inline u32 i915_reset_count(struct i915_gpu_error *error)
|
|
{
|
|
return READ_ONCE(error->reset_count);
|
|
}
|
|
|
|
static inline u32 i915_reset_engine_count(struct i915_gpu_error *error,
|
|
struct intel_engine_cs *engine)
|
|
{
|
|
return READ_ONCE(error->reset_engine_count[engine->id]);
|
|
}
|
|
|
|
struct i915_request *
|
|
i915_gem_reset_prepare_engine(struct intel_engine_cs *engine);
|
|
int i915_gem_reset_prepare(struct drm_i915_private *dev_priv);
|
|
void i915_gem_reset(struct drm_i915_private *dev_priv,
|
|
unsigned int stalled_mask);
|
|
void i915_gem_reset_finish_engine(struct intel_engine_cs *engine);
|
|
void i915_gem_reset_finish(struct drm_i915_private *dev_priv);
|
|
void i915_gem_set_wedged(struct drm_i915_private *dev_priv);
|
|
bool i915_gem_unset_wedged(struct drm_i915_private *dev_priv);
|
|
void i915_gem_reset_engine(struct intel_engine_cs *engine,
|
|
struct i915_request *request,
|
|
bool stalled);
|
|
|
|
void i915_gem_init_mmio(struct drm_i915_private *i915);
|
|
int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
|
|
int __must_check i915_gem_init_hw(struct drm_i915_private *dev_priv);
|
|
void i915_gem_init_swizzling(struct drm_i915_private *dev_priv);
|
|
void i915_gem_fini(struct drm_i915_private *dev_priv);
|
|
void i915_gem_cleanup_engines(struct drm_i915_private *dev_priv);
|
|
int i915_gem_wait_for_idle(struct drm_i915_private *dev_priv,
|
|
unsigned int flags);
|
|
int __must_check i915_gem_suspend(struct drm_i915_private *dev_priv);
|
|
void i915_gem_suspend_late(struct drm_i915_private *dev_priv);
|
|
void i915_gem_resume(struct drm_i915_private *dev_priv);
|
|
vm_fault_t i915_gem_fault(struct vm_fault *vmf);
|
|
int i915_gem_object_wait(struct drm_i915_gem_object *obj,
|
|
unsigned int flags,
|
|
long timeout,
|
|
struct intel_rps_client *rps);
|
|
int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
|
|
unsigned int flags,
|
|
const struct i915_sched_attr *attr);
|
|
#define I915_PRIORITY_DISPLAY I915_PRIORITY_MAX
|
|
|
|
int __must_check
|
|
i915_gem_object_set_to_wc_domain(struct drm_i915_gem_object *obj, bool write);
|
|
int __must_check
|
|
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write);
|
|
int __must_check
|
|
i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write);
|
|
struct i915_vma * __must_check
|
|
i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
|
|
u32 alignment,
|
|
const struct i915_ggtt_view *view,
|
|
unsigned int flags);
|
|
void i915_gem_object_unpin_from_display_plane(struct i915_vma *vma);
|
|
int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
|
|
int align);
|
|
int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file);
|
|
void i915_gem_release(struct drm_device *dev, struct drm_file *file);
|
|
|
|
int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
|
|
enum i915_cache_level cache_level);
|
|
|
|
struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
|
|
struct dma_buf *dma_buf);
|
|
|
|
struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
|
|
struct drm_gem_object *gem_obj, int flags);
|
|
|
|
static inline struct i915_hw_ppgtt *
|
|
i915_vm_to_ppgtt(struct i915_address_space *vm)
|
|
{
|
|
return container_of(vm, struct i915_hw_ppgtt, vm);
|
|
}
|
|
|
|
/* i915_gem_fence_reg.c */
|
|
struct drm_i915_fence_reg *
|
|
i915_reserve_fence(struct drm_i915_private *dev_priv);
|
|
void i915_unreserve_fence(struct drm_i915_fence_reg *fence);
|
|
|
|
void i915_gem_revoke_fences(struct drm_i915_private *dev_priv);
|
|
void i915_gem_restore_fences(struct drm_i915_private *dev_priv);
|
|
|
|
void i915_gem_detect_bit_6_swizzle(struct drm_i915_private *dev_priv);
|
|
void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
|
|
struct sg_table *pages);
|
|
void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj,
|
|
struct sg_table *pages);
|
|
|
|
static inline struct i915_gem_context *
|
|
__i915_gem_context_lookup_rcu(struct drm_i915_file_private *file_priv, u32 id)
|
|
{
|
|
return idr_find(&file_priv->context_idr, id);
|
|
}
|
|
|
|
static inline struct i915_gem_context *
|
|
i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id)
|
|
{
|
|
struct i915_gem_context *ctx;
|
|
|
|
rcu_read_lock();
|
|
ctx = __i915_gem_context_lookup_rcu(file_priv, id);
|
|
if (ctx && !kref_get_unless_zero(&ctx->ref))
|
|
ctx = NULL;
|
|
rcu_read_unlock();
|
|
|
|
return ctx;
|
|
}
|
|
|
|
int i915_perf_open_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
void i915_oa_init_reg_state(struct intel_engine_cs *engine,
|
|
struct i915_gem_context *ctx,
|
|
uint32_t *reg_state);
|
|
|
|
/* i915_gem_evict.c */
|
|
int __must_check i915_gem_evict_something(struct i915_address_space *vm,
|
|
u64 min_size, u64 alignment,
|
|
unsigned cache_level,
|
|
u64 start, u64 end,
|
|
unsigned flags);
|
|
int __must_check i915_gem_evict_for_node(struct i915_address_space *vm,
|
|
struct drm_mm_node *node,
|
|
unsigned int flags);
|
|
int i915_gem_evict_vm(struct i915_address_space *vm);
|
|
|
|
void i915_gem_flush_ggtt_writes(struct drm_i915_private *dev_priv);
|
|
|
|
/* belongs in i915_gem_gtt.h */
|
|
static inline void i915_gem_chipset_flush(struct drm_i915_private *dev_priv)
|
|
{
|
|
wmb();
|
|
if (INTEL_GEN(dev_priv) < 6)
|
|
intel_gtt_chipset_flush();
|
|
}
|
|
|
|
/* i915_gem_stolen.c */
|
|
int i915_gem_stolen_insert_node(struct drm_i915_private *dev_priv,
|
|
struct drm_mm_node *node, u64 size,
|
|
unsigned alignment);
|
|
int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv,
|
|
struct drm_mm_node *node, u64 size,
|
|
unsigned alignment, u64 start,
|
|
u64 end);
|
|
void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
|
|
struct drm_mm_node *node);
|
|
int i915_gem_init_stolen(struct drm_i915_private *dev_priv);
|
|
void i915_gem_cleanup_stolen(struct drm_device *dev);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_stolen(struct drm_i915_private *dev_priv,
|
|
resource_size_t size);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
|
|
resource_size_t stolen_offset,
|
|
resource_size_t gtt_offset,
|
|
resource_size_t size);
|
|
|
|
/* i915_gem_internal.c */
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_internal(struct drm_i915_private *dev_priv,
|
|
phys_addr_t size);
|
|
|
|
/* i915_gem_shrinker.c */
|
|
unsigned long i915_gem_shrink(struct drm_i915_private *i915,
|
|
unsigned long target,
|
|
unsigned long *nr_scanned,
|
|
unsigned flags);
|
|
#define I915_SHRINK_PURGEABLE 0x1
|
|
#define I915_SHRINK_UNBOUND 0x2
|
|
#define I915_SHRINK_BOUND 0x4
|
|
#define I915_SHRINK_ACTIVE 0x8
|
|
#define I915_SHRINK_VMAPS 0x10
|
|
unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);
|
|
void i915_gem_shrinker_register(struct drm_i915_private *i915);
|
|
void i915_gem_shrinker_unregister(struct drm_i915_private *i915);
|
|
|
|
|
|
/* i915_gem_tiling.c */
|
|
static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
|
|
|
|
return dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
|
|
i915_gem_object_is_tiled(obj);
|
|
}
|
|
|
|
u32 i915_gem_fence_size(struct drm_i915_private *dev_priv, u32 size,
|
|
unsigned int tiling, unsigned int stride);
|
|
u32 i915_gem_fence_alignment(struct drm_i915_private *dev_priv, u32 size,
|
|
unsigned int tiling, unsigned int stride);
|
|
|
|
/* i915_debugfs.c */
|
|
#ifdef CONFIG_DEBUG_FS
|
|
int i915_debugfs_register(struct drm_i915_private *dev_priv);
|
|
int i915_debugfs_connector_add(struct drm_connector *connector);
|
|
void intel_display_crc_init(struct drm_i915_private *dev_priv);
|
|
#else
|
|
static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) {return 0;}
|
|
static inline int i915_debugfs_connector_add(struct drm_connector *connector)
|
|
{ return 0; }
|
|
static inline void intel_display_crc_init(struct drm_i915_private *dev_priv) {}
|
|
#endif
|
|
|
|
const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
|
|
|
|
/* i915_cmd_parser.c */
|
|
int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv);
|
|
void intel_engine_init_cmd_parser(struct intel_engine_cs *engine);
|
|
void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine);
|
|
int intel_engine_cmd_parser(struct intel_engine_cs *engine,
|
|
struct drm_i915_gem_object *batch_obj,
|
|
struct drm_i915_gem_object *shadow_batch_obj,
|
|
u32 batch_start_offset,
|
|
u32 batch_len,
|
|
bool is_master);
|
|
|
|
/* i915_perf.c */
|
|
extern void i915_perf_init(struct drm_i915_private *dev_priv);
|
|
extern void i915_perf_fini(struct drm_i915_private *dev_priv);
|
|
extern void i915_perf_register(struct drm_i915_private *dev_priv);
|
|
extern void i915_perf_unregister(struct drm_i915_private *dev_priv);
|
|
|
|
/* i915_suspend.c */
|
|
extern int i915_save_state(struct drm_i915_private *dev_priv);
|
|
extern int i915_restore_state(struct drm_i915_private *dev_priv);
|
|
|
|
/* i915_sysfs.c */
|
|
void i915_setup_sysfs(struct drm_i915_private *dev_priv);
|
|
void i915_teardown_sysfs(struct drm_i915_private *dev_priv);
|
|
|
|
/* intel_lpe_audio.c */
|
|
int intel_lpe_audio_init(struct drm_i915_private *dev_priv);
|
|
void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv);
|
|
void intel_lpe_audio_irq_handler(struct drm_i915_private *dev_priv);
|
|
void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
|
|
enum pipe pipe, enum port port,
|
|
const void *eld, int ls_clock, bool dp_output);
|
|
|
|
/* intel_i2c.c */
|
|
extern int intel_setup_gmbus(struct drm_i915_private *dev_priv);
|
|
extern void intel_teardown_gmbus(struct drm_i915_private *dev_priv);
|
|
extern bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
|
|
unsigned int pin);
|
|
extern int intel_gmbus_output_aksv(struct i2c_adapter *adapter);
|
|
|
|
extern struct i2c_adapter *
|
|
intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin);
|
|
extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
|
|
extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
|
|
static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
|
|
{
|
|
return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
|
|
}
|
|
extern void intel_i2c_reset(struct drm_i915_private *dev_priv);
|
|
|
|
/* intel_bios.c */
|
|
void intel_bios_init(struct drm_i915_private *dev_priv);
|
|
void intel_bios_cleanup(struct drm_i915_private *dev_priv);
|
|
bool intel_bios_is_valid_vbt(const void *buf, size_t size);
|
|
bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv);
|
|
bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin);
|
|
bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port port);
|
|
bool intel_bios_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
|
|
bool intel_bios_is_port_dp_dual_mode(struct drm_i915_private *dev_priv, enum port port);
|
|
bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, enum port *port);
|
|
bool intel_bios_is_port_hpd_inverted(struct drm_i915_private *dev_priv,
|
|
enum port port);
|
|
bool intel_bios_is_lspcon_present(struct drm_i915_private *dev_priv,
|
|
enum port port);
|
|
|
|
/* intel_acpi.c */
|
|
#ifdef CONFIG_ACPI
|
|
extern void intel_register_dsm_handler(void);
|
|
extern void intel_unregister_dsm_handler(void);
|
|
#else
|
|
static inline void intel_register_dsm_handler(void) { return; }
|
|
static inline void intel_unregister_dsm_handler(void) { return; }
|
|
#endif /* CONFIG_ACPI */
|
|
|
|
/* intel_device_info.c */
|
|
static inline struct intel_device_info *
|
|
mkwrite_device_info(struct drm_i915_private *dev_priv)
|
|
{
|
|
return (struct intel_device_info *)&dev_priv->info;
|
|
}
|
|
|
|
/* modesetting */
|
|
extern void intel_modeset_init_hw(struct drm_device *dev);
|
|
extern int intel_modeset_init(struct drm_device *dev);
|
|
extern void intel_modeset_cleanup(struct drm_device *dev);
|
|
extern int intel_connector_register(struct drm_connector *);
|
|
extern void intel_connector_unregister(struct drm_connector *);
|
|
extern int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv,
|
|
bool state);
|
|
extern void intel_display_resume(struct drm_device *dev);
|
|
extern void i915_redisable_vga(struct drm_i915_private *dev_priv);
|
|
extern void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv);
|
|
extern bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val);
|
|
extern void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
|
|
extern int intel_set_rps(struct drm_i915_private *dev_priv, u8 val);
|
|
extern bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
|
|
bool enable);
|
|
|
|
int i915_reg_read_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
|
|
/* overlay */
|
|
extern struct intel_overlay_error_state *
|
|
intel_overlay_capture_error_state(struct drm_i915_private *dev_priv);
|
|
extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
|
|
struct intel_overlay_error_state *error);
|
|
|
|
extern struct intel_display_error_state *
|
|
intel_display_capture_error_state(struct drm_i915_private *dev_priv);
|
|
extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
|
|
struct intel_display_error_state *error);
|
|
|
|
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val);
|
|
int sandybridge_pcode_write_timeout(struct drm_i915_private *dev_priv, u32 mbox,
|
|
u32 val, int fast_timeout_us,
|
|
int slow_timeout_ms);
|
|
#define sandybridge_pcode_write(dev_priv, mbox, val) \
|
|
sandybridge_pcode_write_timeout(dev_priv, mbox, val, 500, 0)
|
|
|
|
int skl_pcode_request(struct drm_i915_private *dev_priv, u32 mbox, u32 request,
|
|
u32 reply_mask, u32 reply, int timeout_base_ms);
|
|
|
|
/* intel_sideband.c */
|
|
u32 vlv_punit_read(struct drm_i915_private *dev_priv, u32 addr);
|
|
int vlv_punit_write(struct drm_i915_private *dev_priv, u32 addr, u32 val);
|
|
u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr);
|
|
u32 vlv_iosf_sb_read(struct drm_i915_private *dev_priv, u8 port, u32 reg);
|
|
void vlv_iosf_sb_write(struct drm_i915_private *dev_priv, u8 port, u32 reg, u32 val);
|
|
u32 vlv_cck_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_cck_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_ccu_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_ccu_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_bunit_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_bunit_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_dpio_read(struct drm_i915_private *dev_priv, enum pipe pipe, int reg);
|
|
void vlv_dpio_write(struct drm_i915_private *dev_priv, enum pipe pipe, int reg, u32 val);
|
|
u32 intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
|
|
enum intel_sbi_destination destination);
|
|
void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
|
|
enum intel_sbi_destination destination);
|
|
u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
|
|
/* intel_dpio_phy.c */
|
|
void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
|
|
enum dpio_phy *phy, enum dpio_channel *ch);
|
|
void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
|
|
enum port port, u32 margin, u32 scale,
|
|
u32 enable, u32 deemphasis);
|
|
void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy);
|
|
void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy);
|
|
bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
|
|
enum dpio_phy phy);
|
|
bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
|
|
enum dpio_phy phy);
|
|
uint8_t bxt_ddi_phy_calc_lane_lat_optim_mask(uint8_t lane_count);
|
|
void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
|
|
uint8_t lane_lat_optim_mask);
|
|
uint8_t bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder);
|
|
|
|
void chv_set_phy_signal_level(struct intel_encoder *encoder,
|
|
u32 deemph_reg_value, u32 margin_reg_value,
|
|
bool uniq_trans_scale);
|
|
void chv_data_lane_soft_reset(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state,
|
|
bool reset);
|
|
void chv_phy_pre_pll_enable(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state);
|
|
void chv_phy_pre_encoder_enable(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state);
|
|
void chv_phy_release_cl2_override(struct intel_encoder *encoder);
|
|
void chv_phy_post_pll_disable(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *old_crtc_state);
|
|
|
|
void vlv_set_phy_signal_level(struct intel_encoder *encoder,
|
|
u32 demph_reg_value, u32 preemph_reg_value,
|
|
u32 uniqtranscale_reg_value, u32 tx3_demph);
|
|
void vlv_phy_pre_pll_enable(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state);
|
|
void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *crtc_state);
|
|
void vlv_phy_reset_lanes(struct intel_encoder *encoder,
|
|
const struct intel_crtc_state *old_crtc_state);
|
|
|
|
int intel_gpu_freq(struct drm_i915_private *dev_priv, int val);
|
|
int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
|
|
u64 intel_rc6_residency_ns(struct drm_i915_private *dev_priv,
|
|
const i915_reg_t reg);
|
|
|
|
u32 intel_get_cagf(struct drm_i915_private *dev_priv, u32 rpstat1);
|
|
|
|
static inline u64 intel_rc6_residency_us(struct drm_i915_private *dev_priv,
|
|
const i915_reg_t reg)
|
|
{
|
|
return DIV_ROUND_UP_ULL(intel_rc6_residency_ns(dev_priv, reg), 1000);
|
|
}
|
|
|
|
#define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
|
|
#define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
|
|
|
|
#define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true)
|
|
#define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true)
|
|
#define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false)
|
|
#define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false)
|
|
|
|
#define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
|
|
#define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
|
|
#define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false)
|
|
#define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false)
|
|
|
|
/* Be very careful with read/write 64-bit values. On 32-bit machines, they
|
|
* will be implemented using 2 32-bit writes in an arbitrary order with
|
|
* an arbitrary delay between them. This can cause the hardware to
|
|
* act upon the intermediate value, possibly leading to corruption and
|
|
* machine death. For this reason we do not support I915_WRITE64, or
|
|
* dev_priv->uncore.funcs.mmio_writeq.
|
|
*
|
|
* When reading a 64-bit value as two 32-bit values, the delay may cause
|
|
* the two reads to mismatch, e.g. a timestamp overflowing. Also note that
|
|
* occasionally a 64-bit register does not actualy support a full readq
|
|
* and must be read using two 32-bit reads.
|
|
*
|
|
* You have been warned.
|
|
*/
|
|
#define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
|
|
|
|
#define I915_READ64_2x32(lower_reg, upper_reg) ({ \
|
|
u32 upper, lower, old_upper, loop = 0; \
|
|
upper = I915_READ(upper_reg); \
|
|
do { \
|
|
old_upper = upper; \
|
|
lower = I915_READ(lower_reg); \
|
|
upper = I915_READ(upper_reg); \
|
|
} while (upper != old_upper && loop++ < 2); \
|
|
(u64)upper << 32 | lower; })
|
|
|
|
#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
|
|
#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
|
|
|
|
#define __raw_read(x, s) \
|
|
static inline uint##x##_t __raw_i915_read##x(const struct drm_i915_private *dev_priv, \
|
|
i915_reg_t reg) \
|
|
{ \
|
|
return read##s(dev_priv->regs + i915_mmio_reg_offset(reg)); \
|
|
}
|
|
|
|
#define __raw_write(x, s) \
|
|
static inline void __raw_i915_write##x(const struct drm_i915_private *dev_priv, \
|
|
i915_reg_t reg, uint##x##_t val) \
|
|
{ \
|
|
write##s(val, dev_priv->regs + i915_mmio_reg_offset(reg)); \
|
|
}
|
|
__raw_read(8, b)
|
|
__raw_read(16, w)
|
|
__raw_read(32, l)
|
|
__raw_read(64, q)
|
|
|
|
__raw_write(8, b)
|
|
__raw_write(16, w)
|
|
__raw_write(32, l)
|
|
__raw_write(64, q)
|
|
|
|
#undef __raw_read
|
|
#undef __raw_write
|
|
|
|
/* These are untraced mmio-accessors that are only valid to be used inside
|
|
* critical sections, such as inside IRQ handlers, where forcewake is explicitly
|
|
* controlled.
|
|
*
|
|
* Think twice, and think again, before using these.
|
|
*
|
|
* As an example, these accessors can possibly be used between:
|
|
*
|
|
* spin_lock_irq(&dev_priv->uncore.lock);
|
|
* intel_uncore_forcewake_get__locked();
|
|
*
|
|
* and
|
|
*
|
|
* intel_uncore_forcewake_put__locked();
|
|
* spin_unlock_irq(&dev_priv->uncore.lock);
|
|
*
|
|
*
|
|
* Note: some registers may not need forcewake held, so
|
|
* intel_uncore_forcewake_{get,put} can be omitted, see
|
|
* intel_uncore_forcewake_for_reg().
|
|
*
|
|
* Certain architectures will die if the same cacheline is concurrently accessed
|
|
* by different clients (e.g. on Ivybridge). Access to registers should
|
|
* therefore generally be serialised, by either the dev_priv->uncore.lock or
|
|
* a more localised lock guarding all access to that bank of registers.
|
|
*/
|
|
#define I915_READ_FW(reg__) __raw_i915_read32(dev_priv, (reg__))
|
|
#define I915_WRITE_FW(reg__, val__) __raw_i915_write32(dev_priv, (reg__), (val__))
|
|
#define I915_WRITE64_FW(reg__, val__) __raw_i915_write64(dev_priv, (reg__), (val__))
|
|
#define POSTING_READ_FW(reg__) (void)I915_READ_FW(reg__)
|
|
|
|
/* "Broadcast RGB" property */
|
|
#define INTEL_BROADCAST_RGB_AUTO 0
|
|
#define INTEL_BROADCAST_RGB_FULL 1
|
|
#define INTEL_BROADCAST_RGB_LIMITED 2
|
|
|
|
static inline i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv)
|
|
{
|
|
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
|
|
return VLV_VGACNTRL;
|
|
else if (INTEL_GEN(dev_priv) >= 5)
|
|
return CPU_VGACNTRL;
|
|
else
|
|
return VGACNTRL;
|
|
}
|
|
|
|
static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m)
|
|
{
|
|
unsigned long j = msecs_to_jiffies(m);
|
|
|
|
return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1);
|
|
}
|
|
|
|
static inline unsigned long nsecs_to_jiffies_timeout(const u64 n)
|
|
{
|
|
/* nsecs_to_jiffies64() does not guard against overflow */
|
|
if (NSEC_PER_SEC % HZ &&
|
|
div_u64(n, NSEC_PER_SEC) >= MAX_JIFFY_OFFSET / HZ)
|
|
return MAX_JIFFY_OFFSET;
|
|
|
|
return min_t(u64, MAX_JIFFY_OFFSET, nsecs_to_jiffies64(n) + 1);
|
|
}
|
|
|
|
/*
|
|
* If you need to wait X milliseconds between events A and B, but event B
|
|
* doesn't happen exactly after event A, you record the timestamp (jiffies) of
|
|
* when event A happened, then just before event B you call this function and
|
|
* pass the timestamp as the first argument, and X as the second argument.
|
|
*/
|
|
static inline void
|
|
wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms)
|
|
{
|
|
unsigned long target_jiffies, tmp_jiffies, remaining_jiffies;
|
|
|
|
/*
|
|
* Don't re-read the value of "jiffies" every time since it may change
|
|
* behind our back and break the math.
|
|
*/
|
|
tmp_jiffies = jiffies;
|
|
target_jiffies = timestamp_jiffies +
|
|
msecs_to_jiffies_timeout(to_wait_ms);
|
|
|
|
if (time_after(target_jiffies, tmp_jiffies)) {
|
|
remaining_jiffies = target_jiffies - tmp_jiffies;
|
|
while (remaining_jiffies)
|
|
remaining_jiffies =
|
|
schedule_timeout_uninterruptible(remaining_jiffies);
|
|
}
|
|
}
|
|
|
|
static inline bool
|
|
__i915_request_irq_complete(const struct i915_request *rq)
|
|
{
|
|
struct intel_engine_cs *engine = rq->engine;
|
|
u32 seqno;
|
|
|
|
/* Note that the engine may have wrapped around the seqno, and
|
|
* so our request->global_seqno will be ahead of the hardware,
|
|
* even though it completed the request before wrapping. We catch
|
|
* this by kicking all the waiters before resetting the seqno
|
|
* in hardware, and also signal the fence.
|
|
*/
|
|
if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &rq->fence.flags))
|
|
return true;
|
|
|
|
/* The request was dequeued before we were awoken. We check after
|
|
* inspecting the hw to confirm that this was the same request
|
|
* that generated the HWS update. The memory barriers within
|
|
* the request execution are sufficient to ensure that a check
|
|
* after reading the value from hw matches this request.
|
|
*/
|
|
seqno = i915_request_global_seqno(rq);
|
|
if (!seqno)
|
|
return false;
|
|
|
|
/* Before we do the heavier coherent read of the seqno,
|
|
* check the value (hopefully) in the CPU cacheline.
|
|
*/
|
|
if (__i915_request_completed(rq, seqno))
|
|
return true;
|
|
|
|
/* Ensure our read of the seqno is coherent so that we
|
|
* do not "miss an interrupt" (i.e. if this is the last
|
|
* request and the seqno write from the GPU is not visible
|
|
* by the time the interrupt fires, we will see that the
|
|
* request is incomplete and go back to sleep awaiting
|
|
* another interrupt that will never come.)
|
|
*
|
|
* Strictly, we only need to do this once after an interrupt,
|
|
* but it is easier and safer to do it every time the waiter
|
|
* is woken.
|
|
*/
|
|
if (engine->irq_seqno_barrier &&
|
|
test_and_clear_bit(ENGINE_IRQ_BREADCRUMB, &engine->irq_posted)) {
|
|
struct intel_breadcrumbs *b = &engine->breadcrumbs;
|
|
|
|
/* The ordering of irq_posted versus applying the barrier
|
|
* is crucial. The clearing of the current irq_posted must
|
|
* be visible before we perform the barrier operation,
|
|
* such that if a subsequent interrupt arrives, irq_posted
|
|
* is reasserted and our task rewoken (which causes us to
|
|
* do another __i915_request_irq_complete() immediately
|
|
* and reapply the barrier). Conversely, if the clear
|
|
* occurs after the barrier, then an interrupt that arrived
|
|
* whilst we waited on the barrier would not trigger a
|
|
* barrier on the next pass, and the read may not see the
|
|
* seqno update.
|
|
*/
|
|
engine->irq_seqno_barrier(engine);
|
|
|
|
/* If we consume the irq, but we are no longer the bottom-half,
|
|
* the real bottom-half may not have serialised their own
|
|
* seqno check with the irq-barrier (i.e. may have inspected
|
|
* the seqno before we believe it coherent since they see
|
|
* irq_posted == false but we are still running).
|
|
*/
|
|
spin_lock_irq(&b->irq_lock);
|
|
if (b->irq_wait && b->irq_wait->tsk != current)
|
|
/* Note that if the bottom-half is changed as we
|
|
* are sending the wake-up, the new bottom-half will
|
|
* be woken by whomever made the change. We only have
|
|
* to worry about when we steal the irq-posted for
|
|
* ourself.
|
|
*/
|
|
wake_up_process(b->irq_wait->tsk);
|
|
spin_unlock_irq(&b->irq_lock);
|
|
|
|
if (__i915_request_completed(rq, seqno))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void i915_memcpy_init_early(struct drm_i915_private *dev_priv);
|
|
bool i915_memcpy_from_wc(void *dst, const void *src, unsigned long len);
|
|
|
|
/* The movntdqa instructions used for memcpy-from-wc require 16-byte alignment,
|
|
* as well as SSE4.1 support. i915_memcpy_from_wc() will report if it cannot
|
|
* perform the operation. To check beforehand, pass in the parameters to
|
|
* to i915_can_memcpy_from_wc() - since we only care about the low 4 bits,
|
|
* you only need to pass in the minor offsets, page-aligned pointers are
|
|
* always valid.
|
|
*
|
|
* For just checking for SSE4.1, in the foreknowledge that the future use
|
|
* will be correctly aligned, just use i915_has_memcpy_from_wc().
|
|
*/
|
|
#define i915_can_memcpy_from_wc(dst, src, len) \
|
|
i915_memcpy_from_wc((void *)((unsigned long)(dst) | (unsigned long)(src) | (len)), NULL, 0)
|
|
|
|
#define i915_has_memcpy_from_wc() \
|
|
i915_memcpy_from_wc(NULL, NULL, 0)
|
|
|
|
/* i915_mm.c */
|
|
int remap_io_mapping(struct vm_area_struct *vma,
|
|
unsigned long addr, unsigned long pfn, unsigned long size,
|
|
struct io_mapping *iomap);
|
|
|
|
static inline int intel_hws_csb_write_index(struct drm_i915_private *i915)
|
|
{
|
|
if (INTEL_GEN(i915) >= 10)
|
|
return CNL_HWS_CSB_WRITE_INDEX;
|
|
else
|
|
return I915_HWS_CSB_WRITE_INDEX;
|
|
}
|
|
|
|
#endif
|