[PATCH 5.1 332/405] drm/amd/display: Update ABM crtc state on non-modeset

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[ Upstream commit b05e2c5e81f9a0be4a145e0926b1dfe62f6347d4 ]

[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@xxxxxxx>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@xxxxxxx>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
 1 file changed, 3 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 66f19d1864b17..c212bff457eec 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5661,6 +5661,9 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
 		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.
-- 
2.20.1






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