Re: [RFC PATCH v1 0/4] Add Rockchip RGA support

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On 28 March 2016 at 23:13, Heiko Stübner <heiko@xxxxxxxxx> wrote:

> I have the feeling we're going quite a bit off-topic right now :-) .
> The binary-driver-crazyness, hasn't really anything to do with Yakir's support
> for the RGA (which is about raster-graphics-acceleration, so 2d stuff).
>
> And me mentioning the armsoc-ddx was merely a means to allow some sort of
> different userspace user, as requested in your original mail ;-) .
>
Seems like I forgot to state the obvious - for all the reasons
mentioned, the armsoc ddx seems like a bad example.

> Maybe you know a better use-case on where to demonstrate the viability of the
> userspace API for it as originally requested.
I'm afraid that my RockChip-foo is extremely limited. Perhaps the
actual user of these should be mentioned ? xf86-video-rockhip (is
there one ?) or any other effort/project that lacks some (all?) of the
criticism listed.

(Sort of) the bottom line - either reuse the existing interfaces or
provide an approved, full blown userspace (libdrm demos/programs do
not count) that uses the new interfaces.

I haven't made these rules, just a fool^Wguy that repeats them so that
people don't abuse them much. If in doubt check with Dave and Daniel V
- they had enough repeating these.

-Emil
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