diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c
index 48a06dbd9be78687a12f1574ba43906ccf35c13a..f161aeb7e7c4a0d68614c7b6483fb81a3d9527b1 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c
@@ -60,3 +60,8 @@ const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs = {
 	{ DMUB_DCN31_FIELDS() },
 #undef DMUB_SF
 };
+
+bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub)
+{
+	return dmub->fw_version >= DMUB_FW_VERSION(8, 0, 16);
+}
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h
index 674267a2940e91cb1e5d971dac573da313b9e3d7..f213bd82c9110aa86db3dec79f2f4c87ec043128 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h
@@ -30,4 +30,6 @@
 
 extern const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs;
 
+bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub);
+
 #endif /* _DMUB_DCN314_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 7a31e3e27babb7c725bf8573baa750134318b61b..bdaf43892f47bbcf83d4a9d3b20a9756697672b1 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -228,6 +228,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 	case DMUB_ASIC_DCN316:
 		if (asic == DMUB_ASIC_DCN314) {
 			dmub->regs_dcn31 = &dmub_srv_dcn314_regs;
+			funcs->is_psrsu_supported = dmub_dcn314_is_psrsu_supported;
 		} else if (asic == DMUB_ASIC_DCN315) {
 			dmub->regs_dcn31 = &dmub_srv_dcn315_regs;
 		} else if (asic == DMUB_ASIC_DCN316) {