Is there an i.MX8 HDMI TX driver that works with Etnaviv?

[Chris Healy]

Hi Bero,

NXP has a 5.4 kernel tree with DCSS driver and HDMI driver that might
work with the 5.5-rc7 tree you have.  You can find it here:

https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/gpu/drm/imx?h=imx_5.4.0_8dxlphantom_er

Regards,

Chris

On Sat, Jan 25, 2020 at 6:49 PM Bernhard Rosenkraenzer <bero at lindev.ch> wrote:
>
> Hi,
> I'm trying to get etnaviv up and running on an i.MX8 based Hummingboard Pulse, on top of kernel 5.5-rc7.
> Everything looks good, etnaviv loads and recognizes the GC7000 correctly:
>
> [Sun Jan 26 00:32:40 2020] etnaviv etnaviv: bound 38000000.gpu (ops gpu_ops [etnaviv])
> [Sun Jan 26 00:32:40 2020] etnaviv-gpu 38000000.gpu: model: GC7000, revision: 6214
> [Sun Jan 26 00:32:40 2020] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 0
>
> Opening /dev/dri/card0 etc. works too - but of course there's no signal on the HDMI port given there's no HDMI TX driver in 5.5-rc7 (at least none that I could find).
> Is there any out of tree driver that will work (or could be made work) on 5.5 without insane amounts of effort?
>
> Thanks
> bero
>
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