提交 81147b07 编写于 作者: C Chris Wilson

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: NChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: NTvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161218153724.8439-1-chris@chris-wilson.co.uk
上级 966d5bf5
......@@ -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.
......
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