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authorChris Wilson <chris@chris-wilson.co.uk>2016-12-18 15:37:18 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2016-12-18 16:18:48 +0000
commit81147b07f27600925fb7af1390686830abbc6034 (patch)
tree7fefefc0e9d54aee158d6774a1c0be1399ea0773 /drivers/gpu/drm/i915/i915_gem_execbuffer.c
parent966d5bf5eb90f2a8c158f6d971ad0a4f836aad9c (diff)
drm/i915: Add a reminder that i915_vma_move_to_active() requires struct_mutex
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d665a33229bd..c64438f8171c 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -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.