diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 2312e70e2e5e..90088c77c059 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1078,11 +1078,19 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv, if (!HAS_FBC(dev_priv)) return; + /* + * GTT tracking does not nuke the entire cfb + * so don't clear busy_bits set for some other + * reason. + */ + if (origin == ORIGIN_GTT) + return; + mutex_lock(&fbc->lock); fbc->busy_bits &= ~frontbuffer_bits; - if (origin == ORIGIN_GTT || origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP) goto out; if (!fbc->busy_bits && fbc->crtc && |