linux-kernel - Re: [PATCH V3 0/4] megachips-stdpxxxx-ge-b850v3-fw

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Date:   Wed, 08 Mar 2017 10:47:07 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Peter Senna Tschudin <peter.senna@...labora.com>
Cc:     Archit Taneja <architt@...eaurora.org>, mark.rutland@....com,
        heiko@...ech.de, airlied@...ux.ie, daniel.vetter@...ll.ch,
        peter.senna@...il.com, dri-devel@...ts.freedesktop.org,
        tiwai@...e.com, thierry.reding@...il.com,
        laurent.pinchart@...asonboard.com, jslaby@...e.cz,
        martyn.welch@...labora.co.uk, robh@...nel.org,
        mchehab@....samsung.com, linux@...linux.org.uk,
        javier@...hile0.org, treding@...dia.com, linux@...ck-us.net,
        martin.donnelly@...com, devicetree@...r.kernel.org,
        p.zabel@...gutronix.de, pawel.moll@....com,
        ijc+devicetree@...lion.org.uk, eballetbo@...il.com,
        rmk+kernel@...linux.org.uk, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        galak@...eaurora.org, enric.balletbo@...labora.com,
        akpm@...ux-foundation.org, shawnguo@...nel.org, davem@...emloft.net
Subject: Re: [PATCH V3 0/4] megachips-stdpxxxx-ge-b850v3-fw

Am Mittwoch, den 08.03.2017, 10:42 +0100 schrieb Peter Senna Tschudin:
> On Mon, Mar 06, 2017 at 03:27:16PM +0530, Archit Taneja wrote:
> Hi Archit,
> 
> > Hi,
> > 
> > On 3/3/2017 9:27 PM, Peter Senna Tschudin wrote:
> > > The video processing pipeline on the second output on the GE B850v3:
> > > 
> > >   Host -> LVDS|--(STDP4028)--|DP -> DP|--(STDP2690)--|DP++ -> Video output
> > > 
> > > Each bridge has a dedicated flash containing firmware for supporting the
> > > custom design. The result is that in this design neither the STDP4028
> > > nor the STDP2690 behave as the stock bridges would. The compatible
> > > strings include the suffix "-ge-b850v3-fw" to make it clear that the
> > > driver is for the bridges with the firmware which is specific for the GE
> > > B850v3.
> > > 
> > > The driver is powerless to control the video processing pipeline, as the
> > > two bridges behaves as a single one. The driver is only needed for
> > > telling the host about EDID / HPD, and for giving the host powers to ack
> > > interrupts.
> > 
> > queued Patches 1,2 and 3 to drm-misc-next. Made stdp2690_get_edid static
> > in Patch #3 to fix a sparse warning.
> 
> What about 4/4, aka the dt change? Do I need an ack from Rob Herring?
> 
> Thanks a lot!

This one needs to go through Shawn Guo. Now that the driver and binding
are in it is probably best to ask him directly to pick it up.

Regards,
Lucas