On 2017å¹´04æ??26æ?¥ 16:49, Christian König wrote:
> Am 26.04.2017 um 09:09 schrieb Zhang, Jerry (Junwei):
>> On 04/24/2017 01:57 PM, Chunming Zhou wrote:
>>> Change-Id: Id728e20366c8a1ae90d4e901dc80e136e2a613bb
>>> Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 ++++++++++++++++-
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 ++
>>> 2 files changed, 18 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> index eb429c5..acf9102 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> @@ -2144,10 +2144,12 @@ int amdgpu_vm_init(struct amdgpu_device
>>> *adev, struct amdgpu_vm *vm,
>>> unsigned ring_instance;
>>> struct amdgpu_ring *ring;
>>> struct amd_sched_rq *rq;
>>> - int r;
>>> + int r, i;
>>>
>>> vm->va = RB_ROOT;
>>> vm->client_id =
>>> atomic64_inc_return(&adev->vm_manager.client_counter);
>>> + for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
>>> + vm->dedicated_vmid[i] = NULL;
>>
>> Maybe it's better to give it a consistent name as resv_vmid, or
>> anything like that.
>
> Yes, agree.
I think the reserved vmid is dedicated to this vm, I don't know where
this name doesn't make sense.
> And if I'm not completely mistaken we still should only apply that to
> the GFX hub on Vega10.
David Mao required mmhub as well. IIRC, we don't have necessary to argue
more on this.
Regards,
David Zhou
>
> Christian.
>
>>
>> Jerry
>>> spin_lock_init(&vm->status_lock);
>>> INIT_LIST_HEAD(&vm->invalidated);
>>> INIT_LIST_HEAD(&vm->cleared);
>>> @@ -2250,6 +2252,7 @@ void amdgpu_vm_fini(struct amdgpu_device
>>> *adev, struct amdgpu_vm *vm)
>>> {
>>> struct amdgpu_bo_va_mapping *mapping, *tmp;
>>> bool prt_fini_needed = !!adev->gart.gart_funcs->set_prt;
>>> + int i;
>>>
>>> if (vm->is_kfd_vm) {
>>> struct amdgpu_vm_id_manager *id_mgr =
>>> @@ -2292,6 +2295,18 @@ void amdgpu_vm_fini(struct amdgpu_device
>>> *adev, struct amdgpu_vm *vm)
>>>
>>> amdgpu_vm_free_levels(&vm->root);
>>> fence_put(vm->last_dir_update);
>>> + for (i = 0; i < AMDGPU_MAX_VMHUBS; i++) {
>>> + struct amdgpu_vm_id_manager *id_mgr =
>>> + &adev->vm_manager.id_mgr[i];
>>> +
>>> + mutex_lock(&id_mgr->lock);
>>> + if (vm->dedicated_vmid[i]) {
>>> + list_add(&vm->dedicated_vmid[i]->list,
>>> + &id_mgr->ids_lru);
>>> + vm->dedicated_vmid[i] = NULL;
>>> + }
>>> + mutex_unlock(&id_mgr->lock);
>>> + }
>>> }
>>>
>>> /**
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
>>> index 62dbace..23981ee 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
>>> @@ -122,6 +122,8 @@ struct amdgpu_vm {
>>>
>>> /* client id */
>>> u64 client_id;
>>> + /* dedicated vmid */
>>> + struct amdgpu_vm_id *dedicated_vmid[AMDGPU_MAX_VMHUBS];
>>> /* each VM will map on CSA */
>>> struct amdgpu_bo_va *csa_bo_va;
>>>
>>>
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>
>
