drm/i915: Replace nondescript 'WARN_ON(!lret)' with a sensible error message

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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>

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Ville Syrjälä 2016-04-18 14:29:32 +03:00

parent acf4e84d61

commit 8a8dae260f

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/i915/intel_display.c

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