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path: root/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index dfb36a246637..08b40826ad1e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -106,6 +106,12 @@ union GRBM_GFX_INDEX_BITS {
* @uninitialize: Destroys all the device queue manager resources allocated in
* initialize routine.
*
+ * @halt: This routine unmaps queues from runlist and set halt status to true
+ * so no more queues will be mapped to runlist until unhalt.
+ *
+ * @unhalt: This routine unset halt status to flase and maps queues back to
+ * runlist.
+ *
* @create_kernel_queue: Creates kernel queue. Used for debug queue.
*
* @destroy_kernel_queue: Destroys kernel queue. Used for debug queue.
@@ -153,6 +159,8 @@ struct device_queue_manager_ops {
int (*start)(struct device_queue_manager *dqm);
int (*stop)(struct device_queue_manager *dqm);
void (*uninitialize)(struct device_queue_manager *dqm);
+ int (*halt)(struct device_queue_manager *dqm);
+ int (*unhalt)(struct device_queue_manager *dqm);
int (*create_kernel_queue)(struct device_queue_manager *dqm,
struct kernel_queue *kq,
struct qcm_process_device *qpd);
@@ -264,6 +272,7 @@ struct device_queue_manager {
struct work_struct hw_exception_work;
struct kfd_mem_obj hiq_sdma_mqd;
bool sched_running;
+ bool sched_halt;
/* used for GFX 9.4.3 only */
uint32_t current_logical_xcc_start;