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drm/amdkfd: Avoid hanging hardware in stop_cpsch

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Don't use the HWS if it's known to be hanging. In a reset also
don't try to destroy the HIQ because that may hang on SRIOV if the
KIQ is unresponsive.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: shaoyunl  <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling
2019-12-20 02:46:55 -05:00
committed by Alex Deucher
parent 09c34e8d7a
commit c2a77fde10
5 changed files with 17 additions and 13 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
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@@ -374,7 +374,7 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid)
/* destroy kernel queue (DIQ) */
dqm = pqn->kq->dev->dqm;
dqm->ops.destroy_kernel_queue(dqm, pqn->kq, &pdd->qpd);
kernel_queue_uninit(pqn->kq);
kernel_queue_uninit(pqn->kq, false);
}
if (pqn->q) {