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drm/amd/display: Enable otg synchronization logic for DCN321

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[ Upstream commit 0dbb81d441 ]

[Why]
Tiled display cannot synchronize properly after S3.
The fix for commit 5f0c749158 ("drm/amd/display: Fix for otg
synchronization logic") is not enable in DCN321, which causes
the otg is excluded from synchronization.

[How]
Enable otg synchronization logic in dcn321.

Fixes: 5f0c749158 ("drm/amd/display: Fix for otg synchronization logic")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Loan Chen <lo-an.chen@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d6ed53712f)
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Loan Chen 2024-08-02 13:57:40 +08:00 committed by Greg Kroah-Hartman
parent d15fc910b6
commit 6490f063d5
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
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@ -1756,6 +1756,9 @@ static bool dcn321_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
/* Use pipe context based otg sync logic */
dc->config.use_pipe_ctx_sync_logic = true;
dc->config.dc_mode_clk_limit_support = true;
/* read VBIOS LTTPR caps */
{