* [PATCH AUTOSEL 6.1 07/11] Revert "drm/amd/display: Use HW lock mgr for PSR1"
[not found] <20250211013206.4098522-1-sashal@kernel.org>
@ 2025-02-11 1:32 ` Sasha Levin
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From: Sasha Levin @ 2025-02-11 1:32 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Tom Chung, Wayne Lin, Alex Deucher, Sasha Levin, harry.wentland,
sunpeng.li, Rodrigo.Siqueira, christian.koenig, Xinhui.Pan,
airlied, simona, robin.chen, aurabindo.pillai, martin.tsai,
amd-gfx, dri-devel
From: Tom Chung <chiahsuan.chung@amd.com>
[ Upstream commit f245b400a223a71d6d5f4c72a2cb9b573a7fc2b6 ]
This reverts commit
a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1")
Because it may cause system hang while connect with two edp panel.
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
index 8d7b2eee8c7c3..3f32e9c3fbaf4 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
@@ -65,8 +65,7 @@ void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
bool should_use_dmub_lock(struct dc_link *link)
{
- if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 ||
- link->psr_settings.psr_version == DC_PSR_VERSION_1)
+ if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
return true;
return false;
}
--
2.39.5
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2025-02-11 1:32 ` [PATCH AUTOSEL 6.1 07/11] Revert "drm/amd/display: Use HW lock mgr for PSR1" Sasha Levin
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