On 2015년 06월 19일 14:46, Krzysztof Kozlowski wrote:
> 2015-06-19 14:28 GMT+09:00 Inki Dae <inki.dae@xxxxxxxxxxx>:
>> On 2015년 06월 19일 14:23, Krzysztof Kozlowski wrote:
>>> The field 'vma' of 'exynos_drm_gem_obj' structure was introduced in
>>> 2a3098ff6c21 ("drm/exynos: add userptr feature for g2d module") but is
>>> not referenced anywhere.
>>>
>>> One instance of 'exynos_drm_gem_obj' may be mapped to multiple
>>> user-space VMAs so 'vma' field does not look useful anyway.
>>
>> Krzysztof,
>>
>> The vma member would be removed by below patch,
>> http://lists.freedesktop.org/archives/dri-devel/2015-May/082764.html
>>
>
> I think it is a different object. The patch above removes it from
> struct g2d_cmdlist_userptr.
> However I removed it from struct exynos_drm_gem_obj, where it was
> never referenced.
Ah, right. There was my mistake.
Thanks,
Inki Dae
>
> Best regards,
> Krzysztof
>
>> Thanks,
>> Inki Dae
>>
>>>
>>> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
>>> ---
>>> drivers/gpu/drm/exynos/exynos_drm_gem.h | 2 --
>>> 1 file changed, 2 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
>>> index 308173cb4f0a..6f42e2248288 100644
>>> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
>>> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
>>> @@ -61,7 +61,6 @@ struct exynos_drm_gem_buf {
>>> * or at framebuffer creation.
>>> * @size: size requested from user, in bytes and this size is aligned
>>> * in page unit.
>>> - * @vma: a pointer to vm_area.
>>> * @flags: indicate memory type to allocated buffer and cache attruibute.
>>> *
>>> * P.S. this object would be transferred to user as kms_bo.handle so
>>> @@ -71,7 +70,6 @@ struct exynos_drm_gem_obj {
>>> struct drm_gem_object base;
>>> struct exynos_drm_gem_buf *buffer;
>>> unsigned long size;
>>> - struct vm_area_struct *vma;
>>> unsigned int flags;
>>> };
>>>
>>>
>>
>>
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