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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-18 14:29:32 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-18 18:54:15 +0300 |
| commit | 8a8dae260f5df805fe062875fef272ffccaf727f (patch) | |
| tree | 3b3e7a38981b4dd431c64f2dc113bcfe5f7c7597 /drivers | |
| parent | acf4e84d6167317ff21be5c03e1ea76ea5783701 (diff) | |
| download | linux-stable-8a8dae260f5df805fe062875fef272ffccaf727f.tar.gz linux-stable-8a8dae260f5df805fe062875fef272ffccaf727f.tar.bz2 linux-stable-8a8dae260f5df805fe062875fef272ffccaf727f.zip | |
drm/i915: Replace nondescript 'WARN_ON(!lret)' with a sensible error message
When a vblank wait times out in intel_atomic_wait_for_vblanks() we just
get a cryptic 'WARN_ON(!ret)' backtrace in dmesg. Repace it with
something that tells you what actually happened.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460978973-24945-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers')
| -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 c5b9687091f4..68151271283c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13526,7 +13526,7 @@ static void intel_atomic_wait_for_vblanks(struct drm_device *dev, drm_crtc_vblank_count(crtc), msecs_to_jiffies(50)); - WARN_ON(!lret); + WARN(!lret, "pipe %c vblank wait timed out\n", pipe_name(pipe)); drm_crtc_vblank_put(crtc); } |