diff options
| author | Stanley.Yang <Stanley.Yang@amd.com> | 2022-01-11 09:14:50 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-19 01:22:36 +0300 |
| commit | 79c0462159a1fa3810ae1869a5fc9fd7782b6b70 (patch) | |
| tree | ebcee40e256a5469c10b9793f1c175d2dc762b6f /drivers | |
| parent | 3ddd0c90bafd9f2ae1ac9f1e67581537273dfed6 (diff) | |
| download | linux-79c0462159a1fa3810ae1869a5fc9fd7782b6b70.tar.xz | |
drm/amdgpu: handle denied inject error into critical regions v2
Changed from v1:
remove unused brace
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ta_ras_if.h | 3 |
3 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index c984b5a34679..5c9b67ab168f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -1335,6 +1335,11 @@ static void psp_ras_ta_check_status(struct psp_context *psp) break; case TA_RAS_STATUS__SUCCESS: break; + case TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED: + if (ras_cmd->cmd_id == TA_RAS_COMMAND__TRIGGER_ERROR) + dev_warn(psp->adev->dev, + "RAS WARNING: Inject error to critical region is not allowed\n"); + break; default: dev_warn(psp->adev->dev, "RAS WARNING: ras status = 0x%X\n", ras_cmd->ras_status); @@ -1547,7 +1552,9 @@ int psp_ras_trigger_error(struct psp_context *psp, if (amdgpu_ras_intr_triggered()) return 0; - if (ras_cmd->ras_status) + if (ras_cmd->ras_status == TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED) + return -EACCES; + else if (ras_cmd->ras_status) return -EINVAL; return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 0bb6b5354802..3538032e40d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -455,7 +455,7 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, } if (ret) - return -EINVAL; + return ret; return size; } diff --git a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h index 5093826a43d1..509d8a1945eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h +++ b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h @@ -64,7 +64,8 @@ enum ta_ras_status { TA_RAS_STATUS__ERROR_PCS_STATE_ERROR = 0xA016, TA_RAS_STATUS__ERROR_PCS_STATE_HANG = 0xA017, TA_RAS_STATUS__ERROR_PCS_STATE_UNKNOWN = 0xA018, - TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ = 0xA019 + TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ = 0xA019, + TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED = 0xA01A }; enum ta_ras_block { |