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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 54838746f97d..9bda9ad13f88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -1531,3 +1531,31 @@ int amdgpu_ras_eeprom_check(struct amdgpu_ras_eeprom_control *control)
return res < 0 ? res : 0;
}
+
+void amdgpu_ras_eeprom_check_and_recover(struct amdgpu_device *adev)
+{
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+ struct amdgpu_ras_eeprom_control *control;
+ int res;
+
+ if (!__is_ras_eeprom_supported(adev) || !ras)
+ return;
+ control = &ras->eeprom_control;
+ if (!control->is_eeprom_valid)
+ return;
+ res = __verify_ras_table_checksum(control);
+ if (res) {
+ dev_warn(adev->dev,
+ "RAS table incorrect checksum or error:%d, try to recover\n",
+ res);
+ if (!amdgpu_ras_eeprom_reset_table(control))
+ if (!amdgpu_ras_save_bad_pages(adev, NULL))
+ if (!__verify_ras_table_checksum(control)) {
+ dev_info(adev->dev, "RAS table recovery succeed\n");
+ return;
+ }
+ dev_err(adev->dev, "RAS table recovery failed\n");
+ control->is_eeprom_valid = false;
+ }
+ return;
+} \ No newline at end of file