Revert "drm/amd/display: Use HW lock mgr for PSR1"

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@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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 8d7b2eee8c7c3952a5046161da73353a7dbaaac3..3f32e9c3fbaf4cdb1020990fa0b315e579043bc9 100644 (file)
--- 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;
 }