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Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

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Fixes for 4.16. I contains fixes for deadlock on runtime suspend on few
drivers, a memory leak on non-blocking commits, a crash on color-eviction.
The is also meson and edid fixes, plus a fix for a doc warning.

* tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/tve200: fix kernel-doc documentation comment include
  drm/meson: fix vsync buffer update
  drm: Handle unexpected holes in color-eviction
  drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
  drm/amdgpu: Fix deadlock on runtime suspend
  drm/radeon: Fix deadlock on runtime suspend
  drm/nouveau: Fix deadlock on runtime suspend
  drm: Allow determining if current task is output poll worker
  workqueue: Allow retrieval of current task's work struct
  drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits
This commit is contained in:
Dave Airlie
2018-02-22 08:39:26 +10:00
parent ccffc9ebfa 30a3317ddc
commit dfe8db2237
15 changed files with 196 additions and 58 deletions
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21
drivers/gpu/drm/drm_mm.c
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@@ -836,9 +836,24 @@ struct drm_mm_node *drm_mm_scan_color_evict(struct drm_mm_scan *scan)
if (!mm->color_adjust)
return NULL;
hole = list_first_entry(&mm->hole_stack, typeof(*hole), hole_stack);
hole_start = __drm_mm_hole_node_start(hole);
hole_end = hole_start + hole->hole_size;
/*
* The hole found during scanning should ideally be the first element
* in the hole_stack list, but due to side-effects in the driver it
* may not be.
*/
list_for_each_entry(hole, &mm->hole_stack, hole_stack) {
hole_start = __drm_mm_hole_node_start(hole);
hole_end = hole_start + hole->hole_size;
if (hole_start <= scan->hit_start &&
hole_end >= scan->hit_end)
break;
}
/* We should only be called after we found the hole previously */
DRM_MM_BUG_ON(&hole->hole_stack == &mm->hole_stack);
if (unlikely(&hole->hole_stack == &mm->hole_stack))
return NULL;
DRM_MM_BUG_ON(hole_start > scan->hit_start);
DRM_MM_BUG_ON(hole_end < scan->hit_end);