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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-08-04 12:37:41 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-09 11:24:30 -0700 |
| commit | ae7d49d879fd196bded306e9465e0aa5a203e971 (patch) | |
| tree | 40bb7a541a38fade186a1ea8dadb94f525584a62 | |
| parent | 87f8ebf309b2df69b57be96bf36d2d61009fd296 (diff) | |
| download | linux-ae7d49d879fd196bded306e9465e0aa5a203e971.tar.gz linux-ae7d49d879fd196bded306e9465e0aa5a203e971.tar.bz2 linux-ae7d49d879fd196bded306e9465e0aa5a203e971.zip | |
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: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 24ee4622484f..b0fb394b9ff4 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4198,6 +4198,10 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) if (alignment == 0) alignment = i915_gem_get_gtt_alignment(obj); 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); if (ret) return ret; |