[PATCH 6.12 161/422] Revert "drm/amd/display: Use HW lock mgr for PSR1"

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6.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tom Chung <chiahsuan.chung@xxxxxxx>

commit f245b400a223a71d6d5f4c72a2cb9b573a7fc2b6 upstream.

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@xxxxxxx>
Signed-off-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- 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
@@ -63,8 +63,7 @@ void dmub_hw_lock_mgr_inbox0_cmd(struct
 
 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;
 
 	if (link->replay_settings.replay_feature_enabled)






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