[PATCH v2] drm/amdgpu: simplify bo_va list when vm bo update (v2)

[Christian König]

Am 19.04.2018 um 09:40 schrieb Zhang, Jerry (Junwei):
>
>
> On 04/19/2018 03:06 PM, Christian König wrote:
>> Am 19.04.2018 um 08:53 schrieb Junwei Zhang:
>>> v2: fix compiling warning
>>>
>>> Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
>>> ---
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 22 ++++++++++------------
>>>   1 file changed, 10 insertions(+), 12 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> index 8c34060..e3e0375 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>>> @@ -1509,6 +1509,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device 
>>> *adev,
>>>       struct drm_mm_node *nodes;
>>>       struct dma_fence *exclusive, **last_update;
>>>       uint64_t flags;
>>> +    uint32_t mem_type;
>>>       int r;
>>>       if (clear || !bo_va->base.bo) {
>>> @@ -1561,19 +1562,16 @@ int amdgpu_vm_bo_update(struct amdgpu_device 
>>> *adev,
>>>       }
>>>       spin_lock(&vm->status_lock);
>>> -    if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv) {
>>> -        unsigned mem_type = bo->tbo.mem.mem_type;
>>> +    list_del_init(&bo_va->base.vm_status);
>>> -        /* If the BO is not in its preferred location add it back to
>>> -         * the evicted list so that it gets validated again on the
>>> -         * next command submission.
>>> -         */
>>> -        list_del_init(&bo_va->base.vm_status);
>>> -        if (!(bo->preferred_domains & 
>>> amdgpu_mem_type_to_domain(mem_type)))
>>> -            list_add_tail(&bo_va->base.vm_status, &vm->evicted);
>>> -    } else {
>>> -        list_del_init(&bo_va->base.vm_status);
>>> -    }
>>> +    /* If the BO is not in its preferred location add it back to
>>> +     * the evicted list so that it gets validated again on the
>>> +     * next command submission.
>>> +     */
>>> +    mem_type = bo->tbo.mem.mem_type;
>>> +    if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv &&
>>> +        !(bo->preferred_domains & 
>>> amdgpu_mem_type_to_domain(mem_type)))
>>
>> The indentation on the line above is wrong, the "!(bo..." should be 
>> on the same
>> column as the "bo &&" above.
>
> Thanks to point that out.
>
> May I get your RB with that fix?

Yeah, sure patch is Reviewed-by: Christian König <christian.koenig at amd.com>.

Christian.

>
> Jerry
>
>>
>> Apart from that looks good to me,
>> Christian.
>>
>>> + list_add_tail(&bo_va->base.vm_status, &vm->evicted);
>>>       spin_unlock(&vm->status_lock);
>>>       list_splice_init(&bo_va->invalids, &bo_va->valids);
>>
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