diff options
| author | Jay Cornwall <jay.cornwall@amd.com> | 2025-01-16 14:36:39 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-01-28 16:22:02 -0500 |
| commit | f214b7beb00621b983e67ce97477afc3ab4b38f4 (patch) | |
| tree | ccf76e65bf797071757f56d754ff8eed3790cadd | |
| parent | 64179a1416e1420a34226ab3beb5f84710953d16 (diff) | |
drm/amdkfd: Block per-queue reset when halt_if_hws_hang=1
The purpose of halt_if_hws_hang is to preserve GPU state for driver
debugging when queue preemption fails. Issuing per-queue reset may
kill wavefronts which caused the preemption failure.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Jonathan Kim <Jonathan.Kim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.12.x
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 1405e8affd48..d4593374e7a1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -2325,9 +2325,9 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, */ mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ]; if (mqd_mgr->check_preemption_failed(mqd_mgr, dqm->packet_mgr.priv_queue->queue->mqd)) { + while (halt_if_hws_hang) + schedule(); if (reset_queues_on_hws_hang(dqm)) { - while (halt_if_hws_hang) - schedule(); dqm->is_hws_hang = true; kfd_hws_hang(dqm); retval = -ETIME; |