#define RV770_SMC_SOFT_REGISTER_mvdd_chg_time 0x68
#define RV770_SMC_SOFT_REGISTER_mclk_switch_lim 0x78
#define RV770_SMC_SOFT_REGISTER_mc_block_delay 0x90
+#define RV770_SMC_SOFT_REGISTER_uvd_enabled 0x9C
#define RV770_SMC_SOFT_REGISTER_is_asic_lombok 0xA0
int rv770_set_smc_sram_address(struct radeon_device *rdev,