korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-19 18:24:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Add a reminder that i915_vma_move_to_active() requires struct_mutex

Browse Source 
i915_vma_move_to_active() requires the struct_mutex for serialisation
with retirement, so mark it up with lockdep_assert_held().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161218153724.8439-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-12-18 15:37:18 +00:00
parent 966d5bf5eb
commit 81147b07f2
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -1259,6 +1259,7 @@ void i915_vma_move_to_active(struct i915_vma *vma,
struct drm_i915_gem_object *obj = vma->obj;
const unsigned int idx = req->engine->id;
lockdep_assert_held(&req->i915->drm.struct_mutex);
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
/* Add a reference if we're newly entering the active list.