[Letux-kernel] Lay common foundation to make PVR/SGX work without hacks on OMAP34xx, OMAP36xx, AM335x and potentially OMAP4, OMAP5

[Merlijn Wajer]

Hi,

On 14/02/2019 09:26, Tomi Valkeinen wrote:
> Hi,
> 
> On 10/02/2019 18:14, Merlijn Wajer wrote:
> 
>> I have a couple of devices that I'd like to try getting PowerVR to work
>> on. We (Maemo Leste) have it working on the Nokia N900 (forward port of
>> nemo mobile kernel+userspace), but X11 works with acceleration, although
>> some issues remain.
>>
>> But I would also like to try to get it to work on the Motorola Droid 4
>> (also omap). And Pawel (in CC) has exynos devices with PowerVR, and he's
>> also trying to get something to work [1] [2]. I also have a Pandaboard
>> ES specifically for this purpose.
>>
>> Ideally we'd use drm+modesetting drivers with dri3wsegl [3], but I have
>> yet to try to make that work. :)
> 
> So what are people's targets on the environment where they want to use SGX?
> 
> - X11
> - Wayland
> - KMS
> - fbdev

For me, that would definitely be X (which is likely also the most
involved of those - except for perhaps fbdev). Before this thread
started moving again my plan was to take the Pandaboard ES and/or N900
and try omapdrmfb, modesetting ddx and dri3wsegl with it, so we can stop
using fb and this ddx [1].

Cheers,
Merlijn

[1] https://github.com/maemo-leste/n9xx-xf86-video-fbdev-sgx

> Or all? I hope at least fbdev can be forgotten, as it'll never work
> perfectly...
> 
>  Tomi
> 


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