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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-08-24 11:31:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-24 11:41:08 -0700 |
| commit | 9559fcdbff4f93d29af04478bbc48294519424f5 (patch) | |
| tree | 708465ed6fdbe18d88fff781bc447de98ec85780 | |
| parent | f4e385ccfc10f44364101b126d1ac52b4c806f1d (diff) | |
| download | kernel-common-9559fcdbff4f93d29af04478bbc48294519424f5.tar.gz kernel-common-9559fcdbff4f93d29af04478bbc48294519424f5.tar.bz2 kernel-common-9559fcdbff4f93d29af04478bbc48294519424f5.zip | |
drm/i915: fix vblank wait test condition
When converting this to the new wait_for macro I inverted the wait
condition, which causes all sorts of problems. So correct it to fix
several failures caused by the bad wait (flickering, bad output
detection, tearing, etc.).
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 23157e1de3be..11a3394f5fe1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -992,7 +992,7 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe) /* Wait for vblank interrupt bit to set */ if (wait_for((I915_READ(pipestat_reg) & - PIPE_VBLANK_INTERRUPT_STATUS) == 0, + PIPE_VBLANK_INTERRUPT_STATUS), 50, 0)) DRM_DEBUG_KMS("vblank wait timed out\n"); } |