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-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c33
1 files changed, 1 insertions, 32 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 8ff97bf7d95a..b7f8f7ff8198 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -1737,37 +1737,6 @@ bool kgd2kfd_vmfault_fast_path(struct amdgpu_device *adev, struct amdgpu_iv_entr
return false;
}
-/* check if there is kfd process still uses adev */
-static bool kgd2kfd_check_device_idle(struct amdgpu_device *adev)
-{
- struct kfd_process *p;
- struct hlist_node *p_temp;
- unsigned int temp;
- struct kfd_node *dev;
-
- mutex_lock(&kfd_processes_mutex);
-
- if (hash_empty(kfd_processes_table)) {
- mutex_unlock(&kfd_processes_mutex);
- return true;
- }
-
- /* check if there is device still use adev */
- hash_for_each_safe(kfd_processes_table, temp, p_temp, p, kfd_processes) {
- for (int i = 0; i < p->n_pdds; i++) {
- dev = p->pdds[i]->dev;
- if (dev->adev == adev) {
- mutex_unlock(&kfd_processes_mutex);
- return false;
- }
- }
- }
-
- mutex_unlock(&kfd_processes_mutex);
-
- return true;
-}
-
/** kgd2kfd_teardown_processes - gracefully tear down existing
* kfd processes that use adev
*
@@ -1800,7 +1769,7 @@ void kgd2kfd_teardown_processes(struct amdgpu_device *adev)
mutex_unlock(&kfd_processes_mutex);
/* wait all kfd processes use adev terminate */
- while (!kgd2kfd_check_device_idle(adev))
+ while (!!atomic_read(&adev->kfd.dev->kfd_processes_count))
cond_resched();
}