[PATCH 16/25] drm/amd/display: Trigger full update on plane change

[Harry Wentland]

From: "Leo (Sunpeng) Li" <sunpeng.li at amd.com>

With the optimized DCN10 frontend programming code, things are
programmed only when requested. For now, trigger a full update on all
plane changes.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8638f1c6764d..d10f8c09469b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4741,6 +4741,11 @@ static int dm_update_planes_state(struct dc *dc,
 				return ret;
 			}
 
+			/* Tell DC to do a full surface update every time there
+			 * is a plane change. Inefficient, but works for now.
+			 */
+			dm_new_plane_state->dc_state->update_flags.bits.full_update = 1;
+
 			*lock_and_validation_needed = true;
 		}
 	}
-- 
2.14.1