Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751973AbdCHJmi (ORCPT ); Wed, 8 Mar 2017 04:42:38 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33218 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751230AbdCHJmd (ORCPT ); Wed, 8 Mar 2017 04:42:33 -0500 Date: Wed, 8 Mar 2017 10:42:23 +0100 From: Peter Senna Tschudin To: Archit Taneja Cc: airlied@linux.ie, akpm@linux-foundation.org, daniel.vetter@ffwll.ch, davem@davemloft.net, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, enric.balletbo@collabora.com, eballetbo@gmail.com, galak@codeaurora.org, gregkh@linuxfoundation.org, heiko@sntech.de, ijc+devicetree@hellion.org.uk, javier@dowhile0.org, jslaby@suse.cz, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, linux@roeck-us.net, mark.rutland@arm.com, martin.donnelly@ge.com, martyn.welch@collabora.co.uk, mchehab@osg.samsung.com, pawel.moll@arm.com, peter.senna@gmail.com, p.zabel@pengutronix.de, thierry.reding@gmail.com, rmk+kernel@armlinux.org.uk, robh@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, tiwai@suse.com, treding@nvidia.com, laurent.pinchart@ideasonboard.com Subject: Re: [PATCH V3 0/4] megachips-stdpxxxx-ge-b850v3-fw Message-ID: <20170308094223.GA25268@collabora.com> References: <3583de63-eda5-5d9c-741e-040db1ccee69@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3583de63-eda5-5d9c-741e-040db1ccee69@codeaurora.org> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1137 Lines: 30 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! [...]