drm/amd/powerplay: update magic number for rv hw backend

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c

@@ -43,7 +43,7 @@
 #define SMC_RAM_END                     0x40000
 
 
-static const unsigned long PhwRaven_Magic = (unsigned long) PHM_Cz_Magic;
+static const unsigned long PhwRaven_Magic = (unsigned long) PHM_Rv_Magic;
 int rv_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
 		struct pp_display_clock_request *clock_req);
 

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -99,7 +99,8 @@ enum PHM_BackEnd_Magic {
 	PHM_CIslands_Magic    = 0x38AC78B0,
 	PHM_Kv_Magic          = 0xDCBBABC0,
 	PHM_VIslands_Magic    = 0x20130307,
-	PHM_Cz_Magic          = 0x67DCBA25
+	PHM_Cz_Magic          = 0x67DCBA25,
+	PHM_Rv_Magic          = 0x20161121
 };