[Intel-gfx] [PATCH 03/11] drm/i915: Reset changed flags when duplicating crtc state

[Ander Conselvan de Oliveira]

Otherwise, once we start doing atomic updates, the values from a
previous update might be used, leading to unnecessary changes.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
---
 drivers/gpu/drm/i915/intel_atomic.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 3903b90..f951782 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -222,8 +222,12 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
 		crtc_state = kmemdup(intel_crtc->config,
 				     sizeof(*intel_crtc->config), GFP_KERNEL);
 
-	if (crtc_state)
+	if (crtc_state) {
 		crtc_state->base.crtc = crtc;
+		crtc_state->base.mode_changed = 0;
+		crtc_state->base.active_changed = 0;
+		crtc_state->base.planes_changed = 0;
+	}
 
 	return &crtc_state->base;
 }
-- 
2.1.0