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(parent: 6d909c5) | patch
drm/amdkfd: Check HIQ's MQD for queue preemption status
authorOak Zeng <Oak.Zeng@amd.com>
Tue, 7 Jul 2020 23:29:37 +0000 (18:29 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Mar 2021 02:59:25 +0000 (22:59 -0400)
commit51a0f459f15fca1e1443de8d92431846872ee5cb
treeb56da7e5031acafc05713181eb5b70720af8beb6tree | snapshot
parent6d909c5da0166d62ffc656990fe1fff9ae66b37fcommit | diff
drm/amdkfd: Check HIQ's MQD for queue preemption status

MEC firmware can silently fail the queue preemption request
without time out. In this case, HIQ's MQD's queue_doorbell_id
will be set. Check this field to see whether last queue preemption
was successful or not.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Suggested-by: Jay Cornwall <Jay.Cornwall@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c diff | blob | history
drivers/gpu/drm/amd/include/vi_structs.h diff | blob | history
Domain: System / Kernel;