linux-kernel - Re: [PATCH v3 0/3] drm/bridge: ti-sn65dsi86: Support non-eDP DisplayPort connectors

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Date:   Thu, 10 Mar 2022 15:21:38 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v3 0/3] drm/bridge: ti-sn65dsi86: Support non-eDP
 DisplayPort connectors

Hi,

On Thu, Mar 10, 2022 at 7:22 AM Kieran Bingham
<kieran.bingham+renesas@...asonboard.com> wrote:
>
> Implement support for non eDP connectors on the TI-SN65DSI86 bridge, and
> provide IRQ based hotplug detect to identify when the connector is
> present.
>
> no-hpd is extended to be the default behaviour for non DisplayPort
> connectors.
>
> This series is based upon Sam Ravnborgs and Rob Clarks series [0] to
> support DRM_BRIDGE_STATE_OPS and NO_CONNECTOR support on the SN65DSI86,
> however some extra modifications have been made on the top of Sam's
> series to fix compile breakage and the NO_CONNECTOR support.

This confused me a little bit. As far as I know Rob's series is
abandoned and he's not working on it. I assume that Sam will
eventually re-post his series, but it had unsolved problems and the
bpp solution he had totally didn't work because nobody was setting
"output_bus_cfg.format" [1]. Did you solve that? ...or you're just
going to let your patches sit there and hope that Sam will solve the
problem and re-post his series?

I'll admit I didn't go through your git tree to figure out if you
solved it some way. If you did, I would have assumed you'd have
re-posted his patches in your series w/ the solution...

[1] https://lore.kernel.org/r/CAD=FV=WW6HWLOD9AzTpjwva9UHY=AR+LABEWqJQznz6Nbb4sOw@mail.gmail.com/

-Doug