diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-03-23 15:32:32 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-03-23 15:32:32 -0400 |
| commit | 6b95e7973a136181e37446bd29b0b2e2f0d2d653 (patch) | |
| tree | 0fb6776bf402197ad8b18684b6a09577d88f3e69 /drivers/gpu/drm/amd/amdkfd/kfd_process.c | |
| parent | d1853f42b63da94fa0147091d22bf5675b0ff89b (diff) | |
drm/amdkfd: Add quiesce_mm and resume_mm to kgd2kfd_calls
These interfaces allow KGD to stop and resume all GPU user mode queue
access to a process address space. This is needed for handling MMU
notifiers of userptrs mapped for GPU access in KFD VMs.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 1711ad0642f7..2791e72c2058 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -808,7 +808,7 @@ struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm) * Eviction is reference-counted per process-device. This means multiple * evictions from different sources can be nested safely. */ -static int process_evict_queues(struct kfd_process *p) +int kfd_process_evict_queues(struct kfd_process *p) { struct kfd_process_device *pdd; int r = 0; @@ -844,7 +844,7 @@ fail: } /* process_restore_queues - Restore all user queues of a process */ -static int process_restore_queues(struct kfd_process *p) +int kfd_process_restore_queues(struct kfd_process *p) { struct kfd_process_device *pdd; int r, ret = 0; @@ -886,7 +886,7 @@ static void evict_process_worker(struct work_struct *work) flush_delayed_work(&p->restore_work); pr_debug("Started evicting pasid %d\n", p->pasid); - ret = process_evict_queues(p); + ret = kfd_process_evict_queues(p); if (!ret) { dma_fence_signal(p->ef); dma_fence_put(p->ef); @@ -946,7 +946,7 @@ static void restore_process_worker(struct work_struct *work) return; } - ret = process_restore_queues(p); + ret = kfd_process_restore_queues(p); if (!ret) pr_debug("Finished restoring pasid %d\n", p->pasid); else @@ -963,7 +963,7 @@ void kfd_suspend_all_processes(void) cancel_delayed_work_sync(&p->eviction_work); cancel_delayed_work_sync(&p->restore_work); - if (process_evict_queues(p)) + if (kfd_process_evict_queues(p)) pr_err("Failed to suspend process %d\n", p->pasid); dma_fence_signal(p->ef); dma_fence_put(p->ef); |