From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB380C433F4 for ; Mon, 27 Aug 2018 19:24:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7105D208A5 for ; Mon, 27 Aug 2018 19:24:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7105D208A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727281AbeH0XMs (ORCPT ); Mon, 27 Aug 2018 19:12:48 -0400 Received: from mail.bootlin.com ([62.4.15.54]:50511 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726887AbeH0XMs (ORCPT ); Mon, 27 Aug 2018 19:12:48 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 5A71A2079D; Mon, 27 Aug 2018 21:24:51 +0200 (CEST) Received: from bbrezillon (unknown [91.160.177.164]) by mail.bootlin.com (Postfix) with ESMTPSA id 953A120711; Mon, 27 Aug 2018 21:24:50 +0200 (CEST) Date: Mon, 27 Aug 2018 21:24:49 +0200 From: Boris Brezillon To: Peter Rosin Cc: linux-kernel@vger.kernel.org, David Airlie , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jyri Sarha , Daniel Vetter , Andrzej Hajda , Russell King - ARM Linux , Jacopo Mondi , Sakari Ailus Subject: Re: [PATCH v9 0/4] drm/atmel-hlcdc: bus-width override support Message-ID: <20180827212449.723bdc99@bbrezillon> In-Reply-To: <20180825085620.10566-1-peda@axentia.se> References: <20180825085620.10566-1-peda@axentia.se> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 25 Aug 2018 10:56:16 +0200 Peter Rosin wrote: > Hi! > > The background for these patches is that our PCB interface between > the SAMA5D3 and the ds90c185 lvds encoder is only using 16 bits, and > this has to be described somewhere, or the atmel-hlcdc driver have no > chance of selecting the correct output mode. Since we have similar > problems with a tda19988 HDMI encoder I added patches to override > the atmel-hlcdc output format via DT properties compatible with the > media video-interface binding and things start to play together. Queued to drm-misc-next. Thanks, Boris > > Cheers, > Peter > > Changes since v8 https://lkml.org/lkml/2018/8/10/309 > - go back to the solution in v7 (but the ep device_node leak fixed) > for patch 4/4 > - redo (part of) 3/4 w/o using the disliked of_graph_parse_endpoint > > Changes since v7 https://lkml.org/lkml/2018/8/4/288 > - The ep device_node was leaked in v7 patch 3/3, so add patch 3/4 > which simplifies fixing this in patch 4/4 (and adds flexibility) > and adjust patch 4/4 to the changes done in the new 3/4. > - return -ENOMEM on allocation failure in patch 4/4 > > Changes since v6 https://lkml.org/lkml/2018/8/3/333 > - zap bus-type from the binding in patch 2/3 > > Changes since (the shortened) v5 https://lkml.org/lkml/2018/8/3/182 > - add reg properties (and #*-cells) to the example in patch 2/3 > - prohibit bus-width 0 in the device-tree in patch 3/3 > - added reviewed-by from Jacopo to patch 2/3 and 3/3 > > Peter Rosin (4): > dt-bindings: display: bridge: lvds-transmitter: add ti,ds90c185 > dt-bindings: display: atmel: optional video-interface of endpoints > drm/atmel-hlcdc: always iterate over the first 4 output endpoints > drm/atmel-hlcdc: support bus-width (12/16/18/24) in endpoint nodes > > .../devicetree/bindings/display/atmel/hlcdc-dc.txt | 23 ++++++ > .../bindings/display/bridge/lvds-transmitter.txt | 8 +- > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 70 +++++++++++----- > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 1 + > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 92 +++++++++++++++++++--- > 5 files changed, 163 insertions(+), 31 deletions(-) >