There's no need to stop and restart FBC: a nuke should be fine.
v2: Make it simpler (Chris).
v3: Rewrite the patch again due to patch order changes.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_fbc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index b80f232..207cf23 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -923,8 +923,12 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv,
dev_priv->fbc.busy_bits &= ~frontbuffer_bits;
if (!dev_priv->fbc.busy_bits && dev_priv->fbc.enabled) {
- __intel_fbc_deactivate(dev_priv);
- __intel_fbc_update(dev_priv->fbc.crtc);
+ if (origin != ORIGIN_FLIP && dev_priv->fbc.active) {
+ intel_fbc_recompress(dev_priv);
+ } else {
+ __intel_fbc_deactivate(dev_priv);
+ __intel_fbc_update(dev_priv->fbc.crtc);
+ }
}
mutex_unlock(&dev_priv->fbc.lock);
--
2.6.2
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