drm/amdgpu: calculate MCUMC_ADDRT0 per asic's UMC offset

Hardcoded offset is not friendly. And another benifit of this
patch is to keep read and write access to this register be
consistent with other similar UMC regsiters  in this file.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/umc_v6_1.c

@@ -30,8 +30,6 @@
 #include "umc/umc_6_1_1_sh_mask.h"
 #include "umc/umc_6_1_2_offset.h"
 
-#define smnMCA_UMC0_MCUMC_ADDRT0	0x50f10
-
 #define UMC_6_INST_DIST			0x40000
 
 /*
@@ -186,7 +184,7 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev,
 					 uint32_t umc_inst)
 {
 	uint32_t lsb, mc_umc_status_addr;
-	uint64_t mc_umc_status, err_addr, retired_page;
+	uint64_t mc_umc_status, err_addr, retired_page, mc_umc_addrt0;
 	struct eeprom_table_record *err_rec;
 	uint32_t channel_index = adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
 
@@ -194,10 +192,14 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev,
 		/* UMC 6_1_2 registers */
 		mc_umc_status_addr =
 			SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0_ARCT);
+		mc_umc_addrt0 =
+			SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0_ARCT);
 	} else {
 		/* UMC 6_1_1 registers */
 		mc_umc_status_addr =
 			SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
+		mc_umc_addrt0 =
+			SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0);
 	}
 
 	/* skip error address process if -ENOMEM */
@@ -214,7 +216,7 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev,
 	if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
 	    (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)) {
-		err_addr = RREG64_PCIE(smnMCA_UMC0_MCUMC_ADDRT0 + umc_reg_offset * 4);
+		err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
 
 		/* the lowest lsb bits should be ignored */
 		lsb = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, LSB);