From: "Leo (Sunpeng) Li" <sunpeng.li@xxxxxxx> 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