[Intel-gfx] [PATCH] drm/i915: drrs_invalidate at flip schedule

[Ramalingam C]

After scheduling a flip for obj, we are supposed to invalidate the
drrs.

Action:
    Adding a call to intel_edp_drrs_invalidate at
    intel_frontbuffer_flip_prepare.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_frontbuffer.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c
index 57095f5..44387ed 100644
--- a/drivers/gpu/drm/i915/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/intel_frontbuffer.c
@@ -244,6 +244,7 @@ void intel_frontbuffer_flip_prepare(struct drm_device *dev,
 	dev_priv->fb_tracking.busy_bits &= ~frontbuffer_bits;
 	mutex_unlock(&dev_priv->fb_tracking.lock);
 
+	intel_edp_drrs_invalidate(dev, frontbuffer_bits);
 	intel_psr_single_frame_update(dev);
 }
 
-- 
1.7.9.5