Commit ae7d49d8 authored by Chris Wilson's avatar Chris Wilson Committed by Eric Anholt

drm/i915: Emit a backtrace if we attempt to rebind a pinned buffer

This debugging trace was useful for finding the fbcon regression on
i965, and it may prove useful again in future.
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 87f8ebf3
...@@ -4198,6 +4198,10 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) ...@@ -4198,6 +4198,10 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
if (alignment == 0) if (alignment == 0)
alignment = i915_gem_get_gtt_alignment(obj); alignment = i915_gem_get_gtt_alignment(obj);
if (obj_priv->gtt_offset & (alignment - 1)) { if (obj_priv->gtt_offset & (alignment - 1)) {
WARN(obj_priv->pin_count,
"bo is already pinned with incorrect alignment:"
" offset=%x, req.alignment=%x\n",
obj_priv->gtt_offset, alignment);
ret = i915_gem_object_unbind(obj); ret = i915_gem_object_unbind(obj);
if (ret) if (ret)
return ret; return ret;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment