diff options
| author | Rob Clark <robdclark@gmail.com> | 2014-11-08 10:16:19 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-11-20 11:33:51 +1000 |
| commit | 7f907bf284ba7bb8d271f094b226699d3fef2142 (patch) | |
| tree | 2d63eb100e045718cc273369517492e27c5e83ba /drivers/gpu/drm/drm_irq.c | |
| parent | 881fdaa5e4cb0d68e52acab0ad4e1820e2bfffa4 (diff) | |
| download | linux-7f907bf284ba7bb8d271f094b226699d3fef2142.tar.gz linux-7f907bf284ba7bb8d271f094b226699d3fef2142.tar.bz2 linux-7f907bf284ba7bb8d271f094b226699d3fef2142.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 3 |
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; |