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../drivers/gpu/drm/drm_vm.c:405:6: warning: symbol 'drm_vm_open_locked' was not declared. Should it be static? ../drivers/gpu/drm/drm_vm.c:431:6: warning: symbol 'drm_vm_close_locked' was not declared. Should it be static? ../drivers/gpu/drm/drm_vm.c:681:5: warning: symbol 'drm_vma_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_pci.c:146:5: warning: symbol 'drm_pci_set_unique' was not declared. Should it be static? ../drivers/gpu/drm/drm_pci.c:216:5: warning: symbol 'drm_irq_by_busid' was not declared. Should it be static? ../drivers/gpu/drm/drm_info.c:47:5: warning: symbol 'drm_name_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_info.c:72:5: warning: symbol 'drm_vm_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_info.c:116:5: warning: symbol 'drm_bufs_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_info.c:159:5: warning: symbol 'drm_clients_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_info.c:209:5: warning: symbol 'drm_gem_name_info' was not declared. Should it be static? ../drivers/gpu/drm/drm_ioc32.c:1019:20: warning: symbol 'drm_compat_ioctls' was not declared. Should it be static? ../drivers/gpu/drm/drm_bridge.c:52:12: warning: function 'drm_bridge_attach' with external linkage has definition Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
223 lines
6.1 KiB
C
223 lines
6.1 KiB
C
/**
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* \file drm_info.c
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* DRM info file implementations
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*
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* \author Ben Gamari <bgamari@gmail.com>
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*/
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/*
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* Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* Copyright 2008 Ben Gamari <bgamari@gmail.com>
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/seq_file.h>
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#include <drm/drmP.h>
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#include <drm/drm_gem.h>
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#include "drm_internal.h"
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#include "drm_legacy.h"
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/**
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* Called when "/proc/dri/.../name" is read.
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*
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* Prints the device name together with the bus id if available.
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*/
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int drm_name_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_minor *minor = node->minor;
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struct drm_device *dev = minor->dev;
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struct drm_master *master = minor->master;
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if (!master)
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return 0;
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if (master->unique) {
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seq_printf(m, "%s %s %s\n",
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dev->driver->name,
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dev_name(dev->dev), master->unique);
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} else {
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seq_printf(m, "%s %s\n",
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dev->driver->name, dev_name(dev->dev));
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}
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return 0;
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}
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/**
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* Called when "/proc/dri/.../vm" is read.
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*
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* Prints information about all mappings in drm_device::maplist.
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*/
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int drm_vm_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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struct drm_local_map *map;
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struct drm_map_list *r_list;
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/* Hardcoded from _DRM_FRAME_BUFFER,
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_DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
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_DRM_SCATTER_GATHER and _DRM_CONSISTENT */
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const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
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const char *type;
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int i;
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mutex_lock(&dev->struct_mutex);
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seq_printf(m, "slot offset size type flags address mtrr\n\n");
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i = 0;
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list_for_each_entry(r_list, &dev->maplist, head) {
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map = r_list->map;
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if (!map)
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continue;
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if (map->type < 0 || map->type > 5)
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type = "??";
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else
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type = types[map->type];
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seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ",
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i,
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(unsigned long long)map->offset,
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map->size, type, map->flags,
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(unsigned long) r_list->user_token);
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if (map->mtrr < 0)
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seq_printf(m, "none\n");
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else
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seq_printf(m, "%4d\n", map->mtrr);
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i++;
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}
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mutex_unlock(&dev->struct_mutex);
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return 0;
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}
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/**
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* Called when "/proc/dri/.../bufs" is read.
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*/
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int drm_bufs_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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struct drm_device_dma *dma;
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int i, seg_pages;
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mutex_lock(&dev->struct_mutex);
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dma = dev->dma;
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if (!dma) {
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mutex_unlock(&dev->struct_mutex);
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return 0;
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}
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seq_printf(m, " o size count free segs pages kB\n\n");
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for (i = 0; i <= DRM_MAX_ORDER; i++) {
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if (dma->bufs[i].buf_count) {
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seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order);
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seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n",
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i,
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dma->bufs[i].buf_size,
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dma->bufs[i].buf_count,
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0,
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dma->bufs[i].seg_count,
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seg_pages,
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seg_pages * PAGE_SIZE / 1024);
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}
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}
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seq_printf(m, "\n");
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for (i = 0; i < dma->buf_count; i++) {
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if (i && !(i % 32))
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seq_printf(m, "\n");
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seq_printf(m, " %d", dma->buflist[i]->list);
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}
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seq_printf(m, "\n");
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mutex_unlock(&dev->struct_mutex);
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return 0;
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}
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/**
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* Called when "/proc/dri/.../clients" is read.
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*
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*/
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int drm_clients_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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struct drm_file *priv;
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seq_printf(m,
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"%20s %5s %3s master a %5s %10s\n",
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"command",
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"pid",
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"dev",
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"uid",
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"magic");
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/* dev->filelist is sorted youngest first, but we want to present
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* oldest first (i.e. kernel, servers, clients), so walk backwardss.
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*/
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mutex_lock(&dev->struct_mutex);
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list_for_each_entry_reverse(priv, &dev->filelist, lhead) {
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struct task_struct *task;
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rcu_read_lock(); /* locks pid_task()->comm */
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task = pid_task(priv->pid, PIDTYPE_PID);
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seq_printf(m, "%20s %5d %3d %c %c %5d %10u\n",
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task ? task->comm : "<unknown>",
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pid_vnr(priv->pid),
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priv->minor->index,
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priv->is_master ? 'y' : 'n',
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priv->authenticated ? 'y' : 'n',
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from_kuid_munged(seq_user_ns(m), priv->uid),
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priv->magic);
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rcu_read_unlock();
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}
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mutex_unlock(&dev->struct_mutex);
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return 0;
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}
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static int drm_gem_one_name_info(int id, void *ptr, void *data)
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{
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struct drm_gem_object *obj = ptr;
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struct seq_file *m = data;
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seq_printf(m, "%6d %8zd %7d %8d\n",
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obj->name, obj->size,
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obj->handle_count,
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atomic_read(&obj->refcount.refcount));
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return 0;
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}
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int drm_gem_name_info(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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seq_printf(m, " name size handles refcount\n");
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mutex_lock(&dev->object_name_lock);
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idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
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mutex_unlock(&dev->object_name_lock);
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return 0;
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}
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