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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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4
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
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@@ -883,7 +883,7 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev);
void device_queue_manager_uninit(struct device_queue_manager *dqm);
struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,
enum kfd_queue_type type);
void kernel_queue_uninit(struct kernel_queue *kq);
void kernel_queue_uninit(struct kernel_queue *kq, bool hanging);
int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid);
/* Process Queue Manager */
@@ -972,7 +972,7 @@ extern const struct packet_manager_funcs kfd_vi_pm_funcs;
extern const struct packet_manager_funcs kfd_v9_pm_funcs;
int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm);
void pm_uninit(struct packet_manager *pm);
void pm_uninit(struct packet_manager *pm, bool hanging);
int pm_send_set_resources(struct packet_manager *pm,
struct scheduling_resources *res);
int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues);