linux-kernel - [PATCH AUTOSEL 6.1 06/12] drm/amd/display: Set color_mgmt

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Date: Tue,  7 May 2024 19:00:08 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Joshua Ashton <joshua@...ggi.es>,
	Harry Wentland <harry.wentland@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Sasha Levin <sashal@...nel.org>,
	sunpeng.li@....com,
	Rodrigo.Siqueira@....com,
	christian.koenig@....com,
	Xinhui.Pan@....com,
	airlied@...il.com,
	daniel@...ll.ch,
	alex.hung@....com,
	hamza.mahfooz@....com,
	wayne.lin@....com,
	srinivasan.shanmugam@....com,
	mario.limonciello@....com,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.1 06/12] drm/amd/display: Set color_mgmt_changed to true on unsuspend

From: Joshua Ashton <joshua@...ggi.es>

[ Upstream commit 2eb9dd497a698dc384c0dd3e0311d541eb2e13dd ]

Otherwise we can end up with a frame on unsuspend where color management
is not applied when userspace has not committed themselves.

Fixes re-applying color management on Steam Deck/Gamescope on S3 resume.

Signed-off-by: Joshua Ashton <joshua@...ggi.es>
Reviewed-by: Harry Wentland <harry.wentland@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
 1 file changed, 1 insertion(+)

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 ff460c9802eb2..31bae620aeffc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2964,6 +2964,7 @@ static int dm_resume(void *handle)
 			dc_stream_release(dm_new_crtc_state->stream);
 			dm_new_crtc_state->stream = NULL;
 		}
+		dm_new_crtc_state->base.color_mgmt_changed = true;
 	}
 
 	for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) {
-- 
2.43.0