linux-kernel - Re: [PATCH 2/4] drm/msm/dsi: Support NO

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Message-ID: <CAF6AEGu8H7HkC4ML8DEFDrmMdsErnjmo1iET4+kY_i24_LH56w@mail.gmail.com>
Date:   Thu, 12 Aug 2021 10:45:03 -0700
From:   Rob Clark <robdclark@...il.com>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        freedreno <freedreno@...ts.freedesktop.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Abhinav Kumar <abhinavk@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] drm/msm/dsi: Support NO_CONNECTOR bridges

On Thu, Aug 12, 2021 at 10:31 AM Sam Ravnborg <sam@...nborg.org> wrote:
>
> Hi Rob,
>
> On Wed, Aug 11, 2021 at 04:52:48PM -0700, Rob Clark wrote:
> > From: Rob Clark <robdclark@...omium.org>
> >
> > For now, since we have a mix of bridges which support this flag, which
> > which do *not* support this flag, or work both ways, try it once with
> > NO_CONNECTOR and then fall back to the old way if that doesn't work.
> > Eventually we can drop the fallback path.
>
> Which bridges are missing support for the NO_CONNECTOR flags that you
> are using?

Currently (as far as things that I am aware of) it is just
ti-sn65dsi86, which the last two patches in this series convert.

But who knows what someone somewhere decides to build ;-)

BR,
-R

> Background for the question is that if you are using one of the bridges
> missing a conversion then we could do the conversion and maybe you could
> help with some tests.
>
> We in the above sentence is likely me, so it may take some weeks,
> but known there is a chance for testing is a good motivator.
>
>         Sam