diff options
Diffstat (limited to 'drivers/gpu/drm/amd/include/kgd_kfd_interface.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index fc592f60e6a0..e37b4b9f626d 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -212,6 +212,15 @@ struct tile_config { * IH ring entry. This function allows the KFD ISR to get the VMID * from the fault status register as early as possible. * + * @get_cu_occupancy: Function pointer that returns to caller the number + * of wave fronts that are in flight for all of the queues of a process + * as identified by its pasid. It is important to note that the value + * returned by this function is a snapshot of current moment and cannot + * guarantee any minimum for the number of waves in-flight. This function + * is defined for devices that belong to GFX9 and later GFX families. Care + * must be taken in calling this function as it is not defined for devices + * that belong to GFX8 and below GFX families. + * * This structure contains function pointers to services that the kgd driver * provides to amdkfd driver. * @@ -286,6 +295,9 @@ struct kfd2kgd_calls { void (*set_vm_context_page_table_base)(struct kgd_dev *kgd, uint32_t vmid, uint64_t page_table_base); uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd); + + void (*get_cu_occupancy)(struct kgd_dev *kgd, int pasid, int *wave_cnt, + int *max_waves_per_cu); }; #endif /* KGD_KFD_INTERFACE_H_INCLUDED */ |