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authorRob Clark <robdclark@gmail.com>2014-11-08 10:16:19 -0500
committerDave Airlie <airlied@redhat.com>2014-11-20 11:33:51 +1000
commit7f907bf284ba7bb8d271f094b226699d3fef2142 (patch)
tree2d63eb100e045718cc273369517492e27c5e83ba
parent881fdaa5e4cb0d68e52acab0ad4e1820e2bfffa4 (diff)
downloadlinux-7f907bf284ba7bb8d271f094b226699d3fef2142.tar.bz2
drm/irq: BUG_ON() -> WARN_ON()
Let's make things a bit easier to debug when things go bad (potentially under console_lock). Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/drm_irq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 3e6b582f60dd..0e47df4ef24e 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -1029,7 +1029,8 @@ void drm_vblank_put(struct drm_device *dev, int crtc)
{
struct drm_vblank_crtc *vblank = &dev->vblank[crtc];
- BUG_ON(atomic_read(&vblank->refcount) == 0);
+ if (WARN_ON(atomic_read(&vblank->refcount) == 0))
+ return;
if (WARN_ON(crtc >= dev->num_crtcs))
return;