[PATCH] drm/rockchip: support prime fd import

[Rob Clark]

On Tue, Feb 23, 2016 at 6:29 PM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> Hi Zach,
>
> On 2 February 2016 at 23:37, Zach Reizner <zachr at google.com> wrote:
>> The prime fd to handle ioctl was not used with rockchip before. Support
>> was added in order to support potential uses (e.g. zero-copy video
>> decode, camera).
>>
> Similar patch came around a few months ago and got this reply [1]. If
> the situation has changed (there is an open-source driver/user for
> this) it should be clearly mentioned in the commit message, as opposed
> to "in order to support potential uses".

hmm, well it is not driver specific uabi, and we have let several
other mali/img users do prime..

I'm not sure, maybe those platforms can do a basic v4l <-> display
thing w/ prime.  Although upstream tends to hurt a bit for camera
support..

BR,
-R

> Regards,
> Emil
>
> [1] https://lists.freedesktop.org/archives/dri-devel/2015-November/094568.html
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