Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp

From: Thierry Reding
Date: Tue Aug 25 2015 - 05:17:17 EST


On Sun, Aug 23, 2015 at 06:23:14PM -0500, Rob Herring wrote:
> On Wed, Aug 19, 2015 at 9:50 AM, Yakir Yang <ykk@xxxxxxxxxxxxxx> wrote:
[...]
> > + -analogix,link-rate:
> > + max link rate supported by the eDP controller.
> > + LINK_RATE_1_62GBPS = 0x6, LINK_RATE_2_70GBPS = 0x0A,
> > + LINK_RATE_5_40GBPS = 0x14
>
> Same here. I'd rather see something like "link-rate-mbps" and use the
> actual rate.

There is no need whatsoever to hard-code this in DT. (e)DP provides the
means to detect what rate the link supports and the specification
provides guidance on how to select an appropriate one.

>
> > + -analogix,lane-count:
> > + max number of lanes supported by the eDP contoller.
> > + LANE_COUNT1 = 1, LANE_COUNT2 = 2, LANE_COUNT4 = 4
>
> And drop the vendor prefix here.

Same as for the link rate.

Thierry

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