Re: Myir AM437x Rico board support (DTS) for Linux mainline 4.9 and 4.4 Ti Processor SDK 03.02.00.05

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On 05/01/17 18:54, Pavel Pisa wrote:

> Only significant missing piece is HDMI support. I have put
> setup which I prepared for Ti kernels to device-tree.
> But mainline supports SII9022 HDMI encoder only by
> 
>   drivers/gpu/drm/bridge/sii902x.c
> 
> but OMAP DSS changes "sil,sii9022" in device-tree
> to omapdss,sil,sii9022 which seems to be customized
> version found in Texas Instruments tree
> 
>   drivers/gpu/drm/omapdrm/displays/encoder-sii9022-video.c
> 
> Do you know if there are some plans to support combination
> of this driver or include customized version in mainline
> for OMAP?

Yes, the plan is to get everything upstream. The short story is, omapdrm
currently uses a custom model for the panel & encoder drivers, not the
common DRM model. I'm reluctant to push more custom drivers into
mainline, and so SiI9022 driver is only in the TI kernel for now.

We'll be working on to getting omapdrm support DRM model, but I can't
give you any schedule right away. The TI kernel's SiI9022 driver should
be easily portable to your mainline based kernel, though.

> I have managed to build SGX driver for my kernel configuration
> and from the testing of Ti image it seem to be used same way
> as for original Ti kernel build.
> 
> I have no luck with accelerated Xorg. But Ti release notes
> states that Xorg support is missing in 03.02.00.05.

Unfortunately TI doesn't support SGX with X. There's some unofficial
work on that, so perhaps one day we'll get it... I also think that Pyra
board guys have SGX working with X, but that's not the same SGX version
as on AM4, so I'm not sure if it's of any use here.

 Tomi

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