drm/amdgpu: Avoid VF for RAS recovery source check

VF device sets the RAS flag when mailbox data can't be read properly.
There is no conclusive way to tell if the real source is RAS error.
Therefore VF schedules a KFD based reset which doesn't set RAS source.
SKip checking RAS source for any VF scheduled recovery.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reported-by: Vojislav Tomasevic <vojislav.tomasevic@amd.com>
Reviewed-by: Yiqing Yao <yiqing.yao@amd.com>
Tested-by: Yiqing Yao <yiqing.yao@amd.com>
Fixes: e1ee2111ca48 ("drm/amdgpu: Prefer RAS recovery for scheduler hang")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 144295da9e4cc2bcf7fd3b68209fcf646314a735..e22fc7a8101f0cb55ca5483fa8e28aa5b6ae9083 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5866,6 +5866,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
         * detected at the same time, let RAS recovery take care of it.
         */
        if (amdgpu_ras_is_err_state(adev, AMDGPU_RAS_BLOCK__ANY) &&
+           !amdgpu_sriov_vf(adev) &&
            reset_context->src != AMDGPU_RESET_SRC_RAS) {
                dev_dbg(adev->dev,
                        "Gpu recovery from source: %d yielding to RAS error recovery handling",