drm/amdgpu: Switch to aca bank for xgmi pcs err cnt

Instead of software managed counters.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h

@@ -46,6 +46,8 @@
 #define MCA_REG__STATUS__ERRORCODEEXT(x)	MCA_REG_FIELD(x, 21, 16)
 #define MCA_REG__STATUS__ERRORCODE(x)		MCA_REG_FIELD(x, 15, 0)
 
+#define MCA_REG__MISC0__ERRCNT(x)		MCA_REG_FIELD(x, 43, 32)
+
 #define MCA_REG__SYND__ERRORINFORMATION(x)	MCA_REG_FIELD(x, 17, 0)
 
 enum amdgpu_mca_ip {

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -2537,13 +2537,15 @@ static int mca_pcs_xgmi_mca_get_err_count(const struct mca_ras_info *mca_ras, st
 					  uint32_t *count)
 {
 	u32 ext_error_code;
+	u32 err_cnt;
 
 	ext_error_code = MCA_REG__STATUS__ERRORCODEEXT(entry->regs[MCA_REG_IDX_STATUS]);
+	err_cnt = MCA_REG__MISC0__ERRCNT(entry->regs[MCA_REG_IDX_MISC0]);
 
 	if (type == AMDGPU_MCA_ERROR_TYPE_UE && ext_error_code == 0)
-		*count = 1;
+		*count = err_cnt;
 	else if (type == AMDGPU_MCA_ERROR_TYPE_CE && ext_error_code == 6)
-		*count = 1;
+		*count = err_cnt;
 
 	return 0;
 }