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* [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
  0 siblings, 0 replies; only message in thread
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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