drm/amdgpu: update RAS sequence to parse TA flags

RAS TA shall notify driver with flags of error specifics

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 730f98aab11b00147acf76d221469fa12699c01c..f061ad6750edd12bc3b6747fdac6e5f86f4349af 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -746,13 +746,40 @@ static int psp_ras_unload(struct psp_context *psp)
 
 int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
 {
+       struct ta_ras_shared_memory *ras_cmd;
+       int ret;
+
+       ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+
        /*
         * TODO: bypass the loading in sriov for now
         */
        if (amdgpu_sriov_vf(psp->adev))
                return 0;
 
-       return psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
+       ret = psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
+
+       if (ras_cmd->if_version > RAS_TA_HOST_IF_VER)
+       {
+               DRM_WARN("RAS: Unsupported Interface");
+               return -EINVAL;
+       }
+
+       if (amdgpu_ras_intr_triggered())
+               return ret;
+
+       if (!ret) {
+               if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
+                       dev_warn(psp->adev->dev, "ECC switch disabled\n");
+
+                       ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
+               }
+               else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
+                       dev_warn(psp->adev->dev,
+                                "RAS internal register access blocked\n");
+       }
+
+       return ret;
 }
 
 int psp_ras_enable_features(struct psp_context *psp,