linux-kernel - Re: [PATCH 1/3] drm/omap: Prepare DSS for probing without legacy platform data

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Message-ID: <20200224234333.GD37466@atomide.com>
Date:   Mon, 24 Feb 2020 15:43:33 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     linux-omap@...r.kernel.org, "Andrew F . Davis" <afd@...com>,
        Dave Gerlach <d-gerlach@...com>,
        Faiz Abbas <faiz_abbas@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Keerthy <j-keerthy@...com>, Nishanth Menon <nm@...com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Roger Quadros <rogerq@...com>, Suman Anna <s-anna@...com>,
        Tero Kristo <t-kristo@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, Jyri Sarha <jsarha@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: [PATCH 1/3] drm/omap: Prepare DSS for probing without legacy
 platform data

* Sebastian Reichel <sre@...nel.org> [200224 23:32]:
> Hi,
> 
> On Mon, Feb 24, 2020 at 11:12:28AM -0800, Tony Lindgren wrote:
> > In order to probe display subsystem (DSS) components with ti-sysc
> > interconnect target module without legacy platform data and using
> > devicetree, we need to update dss probing a bit.
> > 
> > In the device tree, we will be defining the data also for the interconnect
> > target modules as DSS really is a private interconnect. There is some
> > information about that in 4460 TRM in "Figure 10-3. DSS Integration" for
> > example where it mentions "32-bit interconnect (SLX)".
> > 
> > The changes we need to make are:
> > 
> > 1. Parse also device tree subnodes for the compatible property fixup
> > 
> > 2. Update the component code to consider device tree subnodes
> > 
> > Cc: dri-devel@...ts.freedesktop.org
> > Cc: Jyri Sarha <jsarha@...com>
> > Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> > Cc: Tomi Valkeinen <tomi.valkeinen@...com>
> > Signed-off-by: Tony Lindgren <tony@...mide.com>
> > ---
> > 
> > This is needed for dropping DSS platform data that I'll be posting
> > seprately. If this looks OK, can you guys please test and ack?
> > 
> > ---
> 
> Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> 
> FWIW, I dropped omapdss-boot-init.c in my patch series updating DSI
> code to use common panel infrastructure, so this will conflict.

Hey that's great :) Sounds like we can set up an immutable branch
for just this $subject patch against v5.6-rc1 to resolve the
conflict. I can set it up for Tomi or Tomi can set it up for me,
whichever Tomi prefers.

Regards,

Tony