[PATCH v8 0/2] Change mmsys compatible for mt8195 mediatek-drm

Chun-Kuang Hu chunkuang.hu at kernel.org
Thu Mar 16 04:09:32 PDT 2023


Hi, Angelo:

AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com> 於
2023年3月16日 週四 下午5:03寫道:
>
> Il 06/03/23 09:06, Jason-JH.Lin ha scritto:
> > For previous MediaTek SoCs, such as MT8173, there are 2 display HW
> > pipelines binding to 1 mmsys with the same power domain, the same
> > clock driver and the same mediatek-drm driver.
> >
> > For MT8195, VDOSYS0 and VDOSYS1 are 2 display HW pipelines binding to
> > 2 different power domains, different clock drivers and different
> > mediatek-drm drivers.
> >
> > Moreover, Hardware pipeline of VDOSYS0 has these components: COLOR,
> > CCORR, AAL, GAMMA, DITHER. They are related to the PQ (Picture Quality)
> > and they makes VDOSYS0 supports PQ function while they are not
> > including in VDOSYS1.
> >
> > Hardware pipeline of VDOSYS1 has the component ETHDR (HDR related
> > component). It makes VDOSYS1 supports the HDR function while it's not
> > including in VDOSYS0.
> >
> > To summarize0:
> > Only VDOSYS0 can support PQ adjustment.
> > Only VDOSYS1 can support HDR adjustment.
> >
> > Therefore, we need to separate these two different mmsys hardwares to
> > 2 different compatibles for MT8195.
>
>
> Hello Chun-Kuang, Matthias,
>
> Since this series is ready, can you please pick it?
>
> I would imagine that commit [1/2] would go through CK and commit [2/2] goes
> through Matthias.

[1/2] has been applied to mediatek-drm-next [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Thanks,
> Angelo
>



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