On 07/12/2016 13:58, Chris Wilson wrote:
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 <[email protected]>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 1 +
1 file changed, 1 insertion(+)
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.
Reviewed-by: Tvrtko Ursulin <[email protected]>
Regards,
Tvrtko
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