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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_GIT 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 A8AABC6778D for ; Wed, 12 Sep 2018 18:32:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 559A320854 for ; Wed, 12 Sep 2018 18:32:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=agner.ch header.i=@agner.ch header.b="PNo5Yooz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 559A320854 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=agner.ch 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 S1727997AbeILXiR (ORCPT ); Wed, 12 Sep 2018 19:38:17 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:52430 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727346AbeILXiR (ORCPT ); Wed, 12 Sep 2018 19:38:17 -0400 Received: from trochilidae.toradex.int (75-146-58-181-Washington.hfc.comcastbusiness.net [75.146.58.181]) by mail.kmu-office.ch (Postfix) with ESMTPSA id E6FAF5C0119; Wed, 12 Sep 2018 20:32:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1536777150; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references; bh=E651IZz3UG8pQia4ZoWmDyN3a9w9EAHAFjOfmtIWk1Y=; b=PNo5YoozVOXzQZRnPnSftPqIFqeq0Ml/IHyL9Yjwxw2CFnMzFbZalHSkqRuvS9fF0D0Q24 gmUdoWLyPerjjcOAlrO0yP8rABWhoXPdyAUc0tJmTMSJQfE1q1k6rbFSvpWLRdizQDmynp OwFSpX5KvP8WOStRP3pN1GbaR1YHk4I= From: Stefan Agner To: linus.walleij@linaro.org, Laurent.pinchart@ideasonboard.com, airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, p.zabel@pengutronix.de Cc: kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, architt@codeaurora.org, a.hajda@samsung.com, gustavo@padovan.org, maarten.lankhorst@linux.intel.com, sean@poorly.run, marcel.ziswiler@toradex.com, max.krummenacher@toradex.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH v2 0/8] drm/bridge: add bus flag support Date: Wed, 12 Sep 2018 11:32:14 -0700 Message-Id: <20180912183222.25414-1-stefan@agner.ch> X-Mailer: git-send-email 2.19.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This v2 shifted a bit more to rework bridge timing support. While my use case mainly cares about complete bus flag support, it seems to me that bus timings have ended up to be more complex than necessary. Patch 2/3 are an attempt to simplify bus timings. This also aligns bridge timings with how display timings are specified today. @Linus Walleij, Laurent Pinchart: Since you have been involved in the initial bus timings discussion, I would like to have your Ack on at least patch 2/3... If we want to keep the setup/hold timings, the patchset should also work without those two patches. -- Stefan Changes in v2: - Rename bus_flags to simple_bus_flags - Reword dt-bindings for de-active - Add patch 2/3 which attempts to simplify bridge timings Stefan Agner (8): drm/bridge: use bus flags in bridge timings drm/pl111: simplify bridge timing support drm/bridge: simplify bridge timing info drm/bridge: allow to specify data-enable polarity dt-bindings: display: add data-enable polarity property drm/imx: support handling bridge timings bus flags ARM: dts: imx6qdl-apalis: add VGA support ARM: dts: imx6qdl-apalis: add GPIO I2C node for DDC .../bindings/display/bridge/dumb-vga-dac.txt | 2 + arch/arm/boot/dts/imx6q-apalis-eval.dts | 28 ++++++++ arch/arm/boot/dts/imx6qdl-apalis.dtsi | 72 +++++++++++++++++++ drivers/gpu/drm/bridge/dumb-vga-dac.c | 45 +++++++----- drivers/gpu/drm/imx/parallel-display.c | 3 + drivers/gpu/drm/pl111/pl111_display.c | 22 ++---- include/drm/drm_bridge.h | 25 ++----- 7 files changed, 142 insertions(+), 55 deletions(-) -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: stefan@agner.ch (Stefan Agner) Date: Wed, 12 Sep 2018 11:32:14 -0700 Subject: [PATCH v2 0/8] drm/bridge: add bus flag support Message-ID: <20180912183222.25414-1-stefan@agner.ch> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This v2 shifted a bit more to rework bridge timing support. While my use case mainly cares about complete bus flag support, it seems to me that bus timings have ended up to be more complex than necessary. Patch 2/3 are an attempt to simplify bus timings. This also aligns bridge timings with how display timings are specified today. @Linus Walleij, Laurent Pinchart: Since you have been involved in the initial bus timings discussion, I would like to have your Ack on at least patch 2/3... If we want to keep the setup/hold timings, the patchset should also work without those two patches. -- Stefan Changes in v2: - Rename bus_flags to simple_bus_flags - Reword dt-bindings for de-active - Add patch 2/3 which attempts to simplify bridge timings Stefan Agner (8): drm/bridge: use bus flags in bridge timings drm/pl111: simplify bridge timing support drm/bridge: simplify bridge timing info drm/bridge: allow to specify data-enable polarity dt-bindings: display: add data-enable polarity property drm/imx: support handling bridge timings bus flags ARM: dts: imx6qdl-apalis: add VGA support ARM: dts: imx6qdl-apalis: add GPIO I2C node for DDC .../bindings/display/bridge/dumb-vga-dac.txt | 2 + arch/arm/boot/dts/imx6q-apalis-eval.dts | 28 ++++++++ arch/arm/boot/dts/imx6qdl-apalis.dtsi | 72 +++++++++++++++++++ drivers/gpu/drm/bridge/dumb-vga-dac.c | 45 +++++++----- drivers/gpu/drm/imx/parallel-display.c | 3 + drivers/gpu/drm/pl111/pl111_display.c | 22 ++---- include/drm/drm_bridge.h | 25 ++----- 7 files changed, 142 insertions(+), 55 deletions(-) -- 2.18.0