diff options
| author | John Clements <john.clements@amd.com> | 2020-03-05 19:44:23 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-06 14:32:06 -0500 |
| commit | 1a2172b5ee1752f4d5b5e5601d5abdd3178f9555 (patch) | |
| tree | 975e71426297d87e4eebb16dc002801675675789 /drivers/gpu/drm/amd/amdgpu/umc_v6_1.c | |
| parent | d38c3ac716309803c85ec4f1f9487a18f4e960c3 (diff) | |
drm/amdgpu: update page retirement sequence
check UMC status and exit prior to making and erroneus register access
this resolved unexpected behaviour with UMC indexing mode broadcasting writes
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v6_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v6_1.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c index 025ac1e12419..14d346321a5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c @@ -236,7 +236,11 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev, SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0); } - /* skip error address process if -ENOMEM */ + mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4); + + if (mc_umc_status == 0) + return; + if (!err_data->err_addr) { /* clear umc status */ WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL); @@ -244,7 +248,6 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev, } err_rec = &err_data->err_addr[err_data->err_addr_cnt]; - mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4); /* calculate error address if ue/ce error is detected */ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 && |