diff options
| author | Dennis Li <Dennis.Li@amd.com> | 2021-05-10 14:08:11 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-11 01:11:44 +0300 |
| commit | 7780f50358ee386de3b42ec236755fa72d97bb36 (patch) | |
| tree | 66af5a5dc8725f14c162107fa74814d9484f1548 /drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | |
| parent | 4f64f1c8e1fdc7427819e81504a62e5bd7cab76f (diff) | |
| download | linux-7780f50358ee386de3b42ec236755fa72d97bb36.tar.xz | |
drm/amdgpu: add function to clear MMEA error status for aldebaran
For aldebaran, hardware will not clear error status automatically when
reading error status register, insteadly driver should set clear bit of
the error status register explicitly to clear error status.
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c index 9aaa137662b5..6264934b67ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -1315,12 +1315,31 @@ static void mmhub_v1_7_query_ras_error_status(struct amdgpu_device *adev) } } +static void mmhub_v1_7_reset_ras_error_status(struct amdgpu_device *adev) +{ + int i; + uint32_t reg_value; + + if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) + return; + + for (i = 0; i < ARRAY_SIZE(mmhub_v1_7_ea_err_status_regs); i++) { + reg_value = RREG32(SOC15_REG_ENTRY_OFFSET( + mmhub_v1_7_ea_err_status_regs[i])); + reg_value = REG_SET_FIELD(reg_value, MMEA0_ERR_STATUS, + CLEAR_ERROR_STATUS, 0x01); + WREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_7_ea_err_status_regs[i]), + reg_value); + } +} + const struct amdgpu_mmhub_ras_funcs mmhub_v1_7_ras_funcs = { .ras_late_init = amdgpu_mmhub_ras_late_init, .ras_fini = amdgpu_mmhub_ras_fini, .query_ras_error_count = mmhub_v1_7_query_ras_error_count, .reset_ras_error_count = mmhub_v1_7_reset_ras_error_count, .query_ras_error_status = mmhub_v1_7_query_ras_error_status, + .reset_ras_error_status = mmhub_v1_7_reset_ras_error_status, }; const struct amdgpu_mmhub_funcs mmhub_v1_7_funcs = { |