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drm/i915/fbc: don't try to deactivate FBC if it's not enabled

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During FBC invalidation, don't call intel_fbc_deactivate if it's not
enabled. This doesn't fix any bug, but helps making the interface
saner.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453210558-7875-21-git-send-email-paulo.r.zanoni@intel.com
This commit is contained in:
Paulo Zanoni 2016-01-19 11:35:53 -02:00
parent 49227c4ae3
commit 5bc40472de
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_fbc.c
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@ -982,7 +982,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
fbc->busy_bits |= intel_fbc_get_frontbuffer_bit(fbc) & frontbuffer_bits;
if (fbc->busy_bits)
if (fbc->enabled && fbc->busy_bits)
intel_fbc_deactivate(dev_priv);
mutex_unlock(&fbc->lock);