Re: [linux-sunxi] Re: [PATCH 1/2] ARM: sun8i: h3: enable HDMI output on Banana Pi M2 Zero

From: Maxime Ripard
Date: Thu Jul 12 2018 - 02:46:06 EST


On Wed, Jul 11, 2018 at 11:15:50PM +0800, Icenowy Zheng wrote:
>
>
> ä 2018å7æ11æ GMT+08:00 äå11:05:32, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> åå:
> >Hi,
> >
> >On Wed, Jul 11, 2018 at 09:22:32PM +0800, Icenowy Zheng wrote:
> >> Banana Pi M2 Zero board has a miniHDMI port connected to the HDMI
> >> controller of Allwinner H3 SoC.
> >>
> >> Enable the HDMI output in Banana Pi M2 Zero device tree.
> >>
> >> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> >> ---
> >> .../dts/sun8i-h2-plus-bananapi-m2-zero.dts | 25
> >+++++++++++++++++++
> >> 1 file changed, 25 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
> >b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
> >> index 7d01f9322658..eb61dcf32797 100644
> >> --- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
> >> +++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
> >> @@ -26,6 +26,17 @@
> >> stdout-path = "serial0:115200n8";
> >> };
> >>
> >> + hdmi-connector {
> >> + compatible = "hdmi-connector";
> >> + type = "c";
> >
> >This is not one of the connector type declared in DRM, how is it
> >exposed to the userspace?
>
> So just use "A" here (because of single link)?

If the connector type is C, it should be C, and DRM / driver adjusted
to handle it.

Maxime

--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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