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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-15 14:04:28 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-24 12:09:23 +0200 |
| commit | 80c873b6b7b4de56d0771e3834ea71467937e506 (patch) | |
| tree | 6110373980713c4922fb54cf54043e7cb6d2f028 /drivers/gpu/drm/drm_irq.c | |
| parent | f2b50c1161590c3bcdbf3455fe4c575f1c1bd293 (diff) | |
| download | linux-80c873b6b7b4de56d0771e3834ea71467937e506.tar.gz linux-80c873b6b7b4de56d0771e3834ea71467937e506.tar.bz2 linux-80c873b6b7b4de56d0771e3834ea71467937e506.zip | |
drm: Improve debug output for drm_wait_one_vblank
This replicates what we've done in i915 in
commit 31e4b89acbd7b19c9a8557e6e660a583a0b97daa
Author: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon Aug 18 13:51:00 2014 +0100
drm/i915: Print the pipe on which the vblank wait times out
to make sure that when we switch i915 to drm_wait_one_vblank that the
debug output doesn't regress.
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Thomas Wood <thomas.wood@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index e73cbdaa18df..5ef03c216a27 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1077,7 +1077,7 @@ void drm_wait_one_vblank(struct drm_device *dev, int crtc) u32 last; ret = drm_vblank_get(dev, crtc); - if (WARN_ON(ret)) + if (WARN(ret, "vblank not available on crtc %i, ret=%i\n", crtc, ret)) return; last = drm_vblank_count(dev, crtc); @@ -1086,7 +1086,7 @@ void drm_wait_one_vblank(struct drm_device *dev, int crtc) last != drm_vblank_count(dev, crtc), msecs_to_jiffies(100)); - WARN_ON(ret == 0); + WARN(ret == 0, "vblank wait timed out on crtc %i\n", crtc); drm_vblank_put(dev, crtc); } |