drm/amd/display: enable dcn_mem_pwr as golden setting updates

Enable dcn_mem_pwr as golden setting updates
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

@@ -142,8 +142,7 @@ void dcn20_display_init(struct dc *dc)
 	/* DCCG */
 	dcn20_dccg_init(hws);
 
-	/* Disable all memory low power mode. All memories are enabled. */
-	REG_UPDATE(DC_MEM_GLOBAL_PWR_REQ_CNTL, DC_MEM_GLOBAL_PWR_REQ_DIS, 1);
+	REG_UPDATE(DC_MEM_GLOBAL_PWR_REQ_CNTL, DC_MEM_GLOBAL_PWR_REQ_DIS, 0);
 
 	/* DCHUB/MMHUBBUB
 	 * set global timer refclk divider