[PATCH] drm/amdgpu: Avoid VF for RAS recovery source check

Lijo Lazar lijo.lazar at amd.com
Mon Dec 9 15:52:57 UTC 2024


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 at amd.com>
Reported-by: Vojislav Tomasevic <vojislav.tomasevic at amd.com>

Fixes: 2211660c20a0 ("drm/amdgpu: Prefer RAS recovery for scheduler hang")
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 735a01c58cd7..eb3fd55a3702 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5864,6 +5864,7 @@ 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",
-- 
2.25.1



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