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Message-ID: <20240716142713.2712998-10-sashal@kernel.org>
Date: Tue, 16 Jul 2024 10:26:45 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Tom Chung <chiahsuan.chung@....com>,
	Sun peng Li <sunpeng.li@....com>,
	Jerry Zuo <jerry.zuo@....com>,
	Daniel Wheeler <daniel.wheeler@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Sasha Levin <sashal@...nel.org>,
	harry.wentland@....com,
	Rodrigo.Siqueira@....com,
	christian.koenig@....com,
	Xinhui.Pan@....com,
	airlied@...il.com,
	daniel@...ll.ch,
	alex.hung@....com,
	hamza.mahfooz@....com,
	roman.li@....com,
	mario.limonciello@....com,
	joshua@...ggi.es,
	wayne.lin@....com,
	srinivasan.shanmugam@....com,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.6 10/18] drm/amd/display: Reset freesync config before update new state

From: Tom Chung <chiahsuan.chung@....com>

[ Upstream commit 6b8487cdf9fc7bae707519ac5b5daeca18d1e85b ]

[Why]
Sometimes the new_crtc_state->vrr_infopacket did not sync up with the
current state.
It will affect the update_freesync_state_on_stream() does not update
the state correctly.

[How]
Reset the freesync config before get_freesync_config_for_crtc() to
make sure we have the correct new_crtc_state for VRR.

Reviewed-by: Sun peng Li <sunpeng.li@....com>
Signed-off-by: Jerry Zuo <jerry.zuo@....com>
Signed-off-by: Tom Chung <chiahsuan.chung@....com>
Tested-by: Daniel Wheeler <daniel.wheeler@....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 7ed6bb61fe0ad..a1acc8108586f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9517,6 +9517,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
 	}
 
 	/* Update Freesync settings. */
+	reset_freesync_config_for_crtc(dm_new_crtc_state);
 	get_freesync_config_for_crtc(dm_new_crtc_state,
 				     dm_new_conn_state);
 
-- 
2.43.0


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