[PATCH] drm/amdgpu: Double check UC/PCC when parsing GFX UE

[Xiang Liu]

Double checking UC and PCC bits of status register for GFX UE to
avoid unexcepted GFX UE report.

Signed-off-by: Xiang Liu <xiang....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index c0de682b7774..a4038e92c59e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -876,10 +876,14 @@ static int gfx_v9_4_3_aca_bank_parser(struct aca_handle 
*handle,
                                      void *data)
 {
        struct aca_bank_info info;
-       u64 misc0;
+       u64 misc0, status;
        u32 instlo;
        int ret;
 
+       status = bank->regs[ACA_REG_IDX_STATUS];
+       if (!ACA_REG__STATUS__VAL(status))
+               return 0;
+
        ret = aca_bank_info_decode(bank, &info);
        if (ret)
                return ret;
@@ -894,8 +898,8 @@ static int gfx_v9_4_3_aca_bank_parser(struct aca_handle 
*handle,
        switch (type) {
        case ACA_SMU_TYPE_UE:
                bank->aca_err_type = ACA_ERROR_TYPE_UE;
-               ret = aca_error_cache_log_bank_error(handle, &info,
-                                                    ACA_ERROR_TYPE_UE, 1ULL);
+               if (ACA_REG__STATUS__UC(status) && ACA_REG__STATUS__PCC(status))
+                       ret = aca_error_cache_log_bank_error(handle, &info, 
ACA_ERROR_TYPE_UE, 1);
                break;
        case ACA_SMU_TYPE_CE:
                bank->aca_err_type = ACA_BANK_ERR_CE_DE_DECODE(bank);
-- 
2.34.1