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drm/amdgpu: fix double gpu_recovery for NV of SRIOV

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issues:
gpu_recover() is re-entered by the mailbox interrupt
handler mxgpu_nv.c

fix:
we need to bypass the gpu_recover() invoke in mailbox
interrupt as long as the timeout is not infinite (thus the TDR
will be triggered automatically after time out, no need to invoke
gpu_recover() through mailbox interrupt.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2019-12-17 18:18:31 +08:00 committed by Alex Deucher
parent 198e36bacb
commit 1512d064f5
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
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@ -269,7 +269,11 @@ static void xgpu_nv_mailbox_flr_work(struct work_struct *work)
}
/* Trigger recovery for world switch failure if no TDR */
if (amdgpu_device_should_recover_gpu(adev))
if (amdgpu_device_should_recover_gpu(adev)
&& (adev->sdma_timeout == MAX_SCHEDULE_TIMEOUT ||
adev->gfx_timeout == MAX_SCHEDULE_TIMEOUT ||
adev->compute_timeout == MAX_SCHEDULE_TIMEOUT ||
adev->video_timeout == MAX_SCHEDULE_TIMEOUT))
amdgpu_device_gpu_recover(adev, NULL);
}