From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> The hardware host tracking won't nuke the entire cfb (unless the entire fb is written through the gtt) so don't clear the busy_bits for gtt tracking. Not that it really matters anymore since we've lost ORIGIN_GTT usage everywhere. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_fbc.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 983224e07eaf..56eeafa645de 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1107,11 +1107,19 @@ 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 && -- 2.24.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx