drm/vmwgfx: Print warnings in kernel log about bo pinning that fails.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
git-mirror · May 31, 2010 · 316ab13 · 316ab13
1 parent 792778e
commit 316ab13
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diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -630,6 +630,10 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 		goto err_unlock;
 
 	ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
+
+	/* Could probably bug on */
+	WARN_ON(bo->offset != 0);
+
 	ttm_bo_unreserve(bo);
 err_unlock:
 	ttm_write_unlock(&vmw_priv->active_master->lock);

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -640,6 +640,8 @@ static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
 
 	vmw_overlay_resume_all(dev_priv);
 
+	WARN_ON(ret != 0);
+
 	return 0;
 }
-Original file line number
+Diff line change
@@ Expand Up @@
     	vmw_overlay_resume_all(dev_priv);
+    	WARN_ON(ret != 0);
     	return 0;
     }
@@ Expand Down @@