diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
index 20b47649f9914b874c1961e4a87fffe4ad371304..7b69eb37f762c7b9fb8ccef0f37c75739aa556b7 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
@@ -32,16 +32,17 @@
  */
 
 enum dmub_cmd_psr_type {
-	DMUB_CMD__PSR_ENABLE = 0,
-	DMUB_CMD__PSR_DISABLE = 1,
-	DMUB_CMD__PSR_COPY_SETTINGS = 2,
-	DMUB_CMD__PSR_SET_LEVEL = 3,
-	DMUB_CMD__PSR_SETUP = 4,
+	DMUB_CMD__PSR_SETUP		= 0,
+	DMUB_CMD__PSR_COPY_SETTINGS	= 1,
+	DMUB_CMD__PSR_ENABLE		= 2,
+	DMUB_CMD__PSR_DISABLE		= 3,
+	DMUB_CMD__PSR_SET_LEVEL		= 4,
 };
 
 enum psr_version {
-	PSR_VERSION_1 = 0x0,
-	PSR_VERSION_2 = 0x10,
+	PSR_VERSION_1			= 0x10, // PSR Version 1
+	PSR_VERSION_2			= 0x20, // PSR Version 2, includes selective update
+	PSR_VERSION_2_Y_COORD		= 0x21, // PSR Version 2, includes Y-coordinate support for SU
 };
 
 #endif /* _DMUB_CMD_DAL_H_ */