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

["Zhang, Jerry (Junwei)" <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>]

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@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?

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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