Re: [PATCH v4] dma-buf: Add ioctls to allow userspace to flush

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> 26 aug 2015 kl. 16:58 skrev Tiago Vignatti <tiago.vignatti@xxxxxxxxx>:
> 
>> On 08/26/2015 11:51 AM, Daniel Vetter wrote:
>>> On Wed, Aug 26, 2015 at 11:32:30AM -0300, Tiago Vignatti wrote:
>>>> On 08/26/2015 09:58 AM, Daniel Vetter wrote:
>>>> The other is that right now there's no user nor implementation in sight
>>>> which actually does range-based flush optimizations, so I'm pretty much
>>>> expecting we'll get it wrong. Maybe instead we should go one step further
>>>> and remove the range from the internal dma-buf interface and also drop it
>>> >from the ioctl? With the flags we can always add something later on once
>>>> we have a real user with a clear need for it. But afaik cros only wants to
>>>> shuffle around entire tiles and has a buffer-per-tile approach.
>>> 
>>> Thomas, I think Daniel has a point here and also, I wouldn't mind removing
>>> all range control from the dma-buf ioctl either.
>> 
>> if we go with nuking it from the ioctl I'd suggest to also nuke it from
>> the dma-buf internal inferface first too.
> 
> yep, I can do it.
> 
> Thomas, so we leave 2d sync out now?
> 
> Tiago
> 
Sure!
Thomas
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