From a76e3d3d7dba20ef3a2b04572d471cddc0fd03ec Mon Sep 17 00:00:00 2001 From: "Leo (Sunpeng) Li" Date: Thu, 9 Nov 2017 15:33:43 -0500 Subject: [PATCH 2781/4131] drm/amd/display: Trigger full update on plane change 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 Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- 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 1498996..28b5c96 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5160,6 +5160,11 @@ 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; } } -- 2.7.4