| commit | 5ceecb2fa720c01a97e6fa2353c2b8f1e8d69f1f | [log] [tgz] |
|---|---|---|
| author | Michel Dänzer <michel.daenzer@amd.com> | Tue May 26 17:53:38 2015 +0900 |
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | Wed May 27 13:00:08 2015 +0200 |
| tree | 4a9ad864ed2ff736c7138fa997875b7944601d6e | |
| parent | 60f207a5b6d8f23c2e8388b415e8d5c7311cc79d [diff] |
drm: Fix off-by-one in vblank hardware counter wraparound handling dev->max_vblank_count contains the largest value that can be represented by the hardware counter. When the hardware counter wraps around, we have to add that value + 1 to get the same value as if the hardware counter didn't wrap around. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>