diff options
| author | Guchun Chen <guchun.chen@amd.com> | 2020-03-04 21:50:01 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-06 14:31:59 -0500 |
| commit | d38c3ac716309803c85ec4f1f9487a18f4e960c3 (patch) | |
| tree | 62d4642836708a95b6ee304702a119ef8393422c /drivers/gpu/drm/amd/amdgpu/umc_v6_1.c | |
| parent | 1b3460a8b19688ad3033b75237d40fa580a5a953 (diff) | |
drm/amdgpu: toggle DF-Cstate when accessing UMC ras error related registers
On arcturus, DF-Cstate needs to be toggled off/on
before and after accessing UMC error counter and
error address registers, otherwise, clearing such
registers may fail.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c index 793bf70e64b1..025ac1e12419 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c @@ -186,6 +186,10 @@ static void umc_v6_1_query_ras_error_count(struct amdgpu_device *adev, if (rsmu_umc_index_state) umc_v6_1_disable_umc_index_mode(adev); + if ((adev->asic_type == CHIP_ARCTURUS) && + amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) + DRM_WARN("Fail to disable DF-Cstate.\n"); + LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { umc_reg_offset = get_umc_6_reg_offset(adev, umc_inst, @@ -199,6 +203,10 @@ static void umc_v6_1_query_ras_error_count(struct amdgpu_device *adev, &(err_data->ue_count)); } + if ((adev->asic_type == CHIP_ARCTURUS) && + amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW)) + DRM_WARN("Fail to enable DF-Cstate\n"); + if (rsmu_umc_index_state) umc_v6_1_enable_umc_index_mode(adev); } @@ -288,6 +296,10 @@ static void umc_v6_1_query_ras_error_address(struct amdgpu_device *adev, if (rsmu_umc_index_state) umc_v6_1_disable_umc_index_mode(adev); + if ((adev->asic_type == CHIP_ARCTURUS) && + amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) + DRM_WARN("Fail to disable DF-Cstate.\n"); + LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { umc_reg_offset = get_umc_6_reg_offset(adev, umc_inst, @@ -300,6 +312,10 @@ static void umc_v6_1_query_ras_error_address(struct amdgpu_device *adev, umc_inst); } + if ((adev->asic_type == CHIP_ARCTURUS) && + amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW)) + DRM_WARN("Fail to enable DF-Cstate\n"); + if (rsmu_umc_index_state) umc_v6_1_enable_umc_index_mode(adev); } |