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SubjectRe: [PATCH v2 04/11] drm: sun4i: add support for H3's TCON0/1
On Wed, Jun 07, 2017 at 10:21:02PM +0800, Icenowy Zheng wrote:
>
>
> 于 2017年6月7日 GMT+08:00 下午10:19:57, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:
> >On Wed, Jun 07, 2017 at 05:44:56PM +0800, Icenowy Zheng wrote:
> >> 于 2017年6月7日 GMT+08:00 下午5:43:43, Maxime Ripard
> ><maxime.ripard@free-electrons.com> 写到:
> >> >On Mon, Jun 05, 2017 at 03:03:47AM +0800, Icenowy Zheng wrote:
> >> >> >You should also expand function sun4i_drv_node_is_tcon() at
> >> >sun4i_drv.c
> >> >> >with
> >> >> >new entries, but I'm not sure if this fits in this patch.
> >> >>
> >> >> Instead I think it should be renamed to something like
> >> >> "sun4i_drv_node_is_tcon_with_ch0".
> >> >
> >> >I'm not sure, or at least, it shouldn't make any difference, since
> >> >TCON without a channel 0 will not have an endpoint 0, so this will
> >be
> >> >dealt with already.
> >>
> >> But that will prevent new coders from add CH1-less TCON
> >> compatibles to this function.
> >
> >Why? We already have such TCONs (like the A33's, or V3S') in that
> >function.
>
> Sorry, CH0-less.

That's not really an issue I think, since the endpoint 0 will not be
there on those TCONs, the code will bail out.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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