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Commit8809b4b

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YiPeng ChaiHawking Zhang
YiPeng Chai
authored and
Hawking Zhang
committed
amd/amdgpu: Reduce unnecessary repetitive GPU resets
In multiple GPUs case, after a GPU has startedresetting all GPUs on hive, other GPUs do notneed to trigger GPU reset again.Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
1 parent2f767b9 commit8809b4b

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‎drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c‎

Lines changed: 20 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4030,8 +4030,27 @@ int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
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ras->gpu_reset_flags |=AMDGPU_RAS_GPU_RESET_MODE1_RESET;
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}
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4033-
if (atomic_cmpxchg(&ras->in_recovery,0,1)==0)
4033+
if (atomic_cmpxchg(&ras->in_recovery,0,1)==0) {
4034+
structamdgpu_hive_info*hive=amdgpu_get_xgmi_hive(adev);
4035+
inthive_ras_recovery=0;
4036+
4037+
if (hive) {
4038+
hive_ras_recovery=atomic_read(&hive->ras_recovery);
4039+
amdgpu_put_xgmi_hive(hive);
4040+
}
4041+
/* In the case of multiple GPUs, after a GPU has started
4042+
* resetting all GPUs on hive, other GPUs do not need to
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* trigger GPU reset again.
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*/
4045+
if (!hive_ras_recovery)
4046+
amdgpu_reset_domain_schedule(ras->adev->reset_domain,&ras->recovery_work);
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else
4048+
atomic_set(&ras->in_recovery,0);
4049+
}else {
4050+
flush_work(&ras->recovery_work);
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amdgpu_reset_domain_schedule(ras->adev->reset_domain,&ras->recovery_work);
4052+
}
4053+
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return0;
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}
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