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path: root/drivers/gpu/drm/amd/display/dc
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c11
1 files changed, 11 insertions, 0 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 bf636b28e3e1..6e2fce329d73 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
@@ -69,5 +69,16 @@ bool should_use_dmub_lock(struct dc_link *link)
if (link->replay_settings.replay_feature_enabled)
return true;
+ /* only use HW lock for PSR1 on single eDP */
+ if (link->psr_settings.psr_version == DC_PSR_VERSION_1) {
+ struct dc_link *edp_links[MAX_NUM_EDP];
+ int edp_num;
+
+ dc_get_edp_links(link->dc, edp_links, &edp_num);
+
+ if (edp_num == 1)
+ return true;
+ }
+
return false;
}