[PATCH] drm/i915: Disable frontbuffer tracking

[Animesh Manna]

From: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_frontbuffer.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index d898b370d7a4..0f1d7a34dcf7 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -166,6 +166,9 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front,
 {
 	struct drm_i915_private *i915 = to_i915(front->obj->base.dev);
 
+	if (origin != ORIGIN_FLIP)
+		return;
+
 	if (origin == ORIGIN_CS) {
 		spin_lock(&i915->fb_tracking.lock);
 		i915->fb_tracking.busy_bits |= frontbuffer_bits;
@@ -185,6 +188,9 @@ void __intel_fb_flush(struct intel_frontbuffer *front,
 {
 	struct drm_i915_private *i915 = to_i915(front->obj->base.dev);
 
+	if (origin != ORIGIN_FLIP)
+		return;
+
 	if (origin == ORIGIN_CS) {
 		spin_lock(&i915->fb_tracking.lock);
 		/* Filter out new bits since rendering started. */
-- 
2.26.0