[meta-freescale] imx6q gpu performance lower than expected

[Otavio Salvador]

On Tue, Mar 17, 2015 at 2:56 PM, Dmitriy B. <rzk333 at gmail.com> wrote:
> 2015-03-17 17:08 GMT+03:00 Nikita Yushchenko <nyushchenko at dev.rtsoft.ru>:
...
>> CPU in both cases (x11 and egl) is almost unloaded (30% of one core
>> under eglfs, 30+30 under X11) so looks like speed limiting comes from GPU.
>>
>> What could be reason for this?  Any hints?
>
> Hint: Vivante X11 GPU drivers use DRI1(one, the 1998 one) and need a asm
> patch to libdrm to work. Guess what happens when you drag 90s technology to
> latest X.org on an embedded device.

EGLFS is the best choice here.

-- 
Otavio Salvador                             O.S. Systems
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