drm/amd/display: Update ABM crtc state on non-modeset

[Why]
Somewhere in the atomic check reshuffle ABM got lost.
ABM is a crtc property (copied from a connector property).
It can change without a modeset, just like underscan.

[How]
In the skip_modeset branch of atomic check crtc updates,
copy over the abm property.

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 322216d7ccfede89e2ea1fed20323bb159cba970..8b5fc420d1c12aec38ca58edc16725d56638f416 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5689,6 +5689,9 @@ skip_modeset:
                update_stream_scaling_settings(
                        &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
 
+       /* ABM settings */
+       dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
+
        /*
         * Color management settings. We also update color properties
         * when a modeset is needed, to ensure it gets reprogrammed.