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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY autolearn=no 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 195D7C433DF for ; Sat, 15 Aug 2020 22:00:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB86E206B6 for ; Sat, 15 Aug 2020 22:00:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729624AbgHOWAO (ORCPT ); Sat, 15 Aug 2020 18:00:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728836AbgHOVvf (ORCPT ); Sat, 15 Aug 2020 17:51:35 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D325DC02B8F4; Sat, 15 Aug 2020 06:05:14 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 39E75299A26 Message-ID: Subject: Re: [PATCH v9 00/11] Genericize DW MIPI DSI bridge and add i.MX 6 driver From: Ezequiel Garcia To: Adrian Ratiu , Neil Armstrong , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, Laurent Pinchart Cc: Jernej Skrabec , Jonas Karlman , Philippe CORNU , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Yannick FERTRE , Andrzej Hajda , linux-imx@nxp.com, kernel@collabora.com, linux-stm32@st-md-mailman.stormreply.com Date: Sat, 15 Aug 2020 10:05:00 -0300 In-Reply-To: <87lfk3kaj4.fsf@iwork.i-did-not-set--mail-host-address--so-tickle-me> References: <20200609174959.955926-1-adrian.ratiu@collabora.com> <87lfk3kaj4.fsf@iwork.i-did-not-set--mail-host-address--so-tickle-me> Organization: Collabora Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.3-1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Neil, On Wed, 2020-07-01 at 09:35 +0300, Adrian Ratiu wrote: > Hi Neil, > > On Mon, 29 Jun 2020, Neil Armstrong > wrote: > > Hi Adrian, > > > > On 09/06/2020 19:49, Adrian Ratiu wrote: > > > [Re-submitting to cc dri-devel, sorry about the noise] Hello > > > all, v9 cleanly applies on top of latest next-20200609 tree. > > > v9 does not depend on other patches as the last binding doc has > > > been merged. All feedback up to this point has been > > > addressed. Specific details in individual patch changelogs. > > > The biggest changes are the deprecation of the Synopsys DW > > > bridge bind() API in favor of of_drm_find_bridge() and .attach > > > callbacks, the addition of a TODO entry which outlines future > > > planned bridge driver refactorings and a reordering of some > > > i.MX 6 patches to appease checkpatch. The idea behind the > > > TODO is to get this regmap and i.MX 6 driver merged and then do > > > the rest of refactorings in-tree because it's easier and the > > > refactorings themselves are out-of-scope of this series which > > > is adding i.MX 6 support and is quite big already, so please, > > > if there are more refactoring ideas, let's add them to the TODO > > > doc. :) I intend to tackle those after this series is merged to > > > avoid two complex inter-dependent simultaneous series. > > > > This has been around here for a long time and you seem to have > > addressed all the reviews. > > > > > As always more testing is welcome especially on Rockchip and > > > STM SoCs. > > > > It has been tested on STM, but I'd like a feedback on RK > > platform before applying the bridge parts. > > > > Can the imx & stm patches be applied separately ? > > > > Yes the IMX and STM patches can be applied separately, they just > both depend on the common regmap patches. > It's been a month so I think it's a good idea to go forward applying IMX and STM patches (probably with the usual rebase dance). As for Rockchip... > The binding API removal change which directly touches RK can also > be applied separately, but unfortunately I do not have access to a > RK board with a DSI display to test it (or the bridge regmap logic > on RK btw...), I just "eye-balled" the RK code based on the public > docs and it LGTM. > ... I'll be getting some DSI hardware to help with the pending Rockchip issues, so we can tackle Rockchip as well. I'm quite sure we'll loop Heiko as well if needed :-) Cheers, Ezequiel > > Neil > > > > > Big thank you to everyone who has contributed to this up to now, > > > Adrian > > > > > > Adrian Ratiu (11): > > > drm: bridge: dw_mipi_dsi: add initial regmap infrastructure > > > drm: bridge: dw_mipi_dsi: abstract register access using reg_fields > > > drm: bridge: dw_mipi_dsi: add dsi v1.01 support > > > drm: bridge: dw_mipi_dsi: remove bind/unbind API > > > dt-bindings: display: add i.MX6 MIPI DSI host controller doc > > > ARM: dts: imx6qdl: add missing mipi dsi properties > > > drm: imx: Add i.MX 6 MIPI DSI host platform driver > > > drm: stm: dw-mipi-dsi: let the bridge handle the HW version check > > > drm: bridge: dw-mipi-dsi: split low power cfg register into fields > > > drm: bridge: dw-mipi-dsi: fix bad register field offsets > > > Documentation: gpu: todo: Add dw-mipi-dsi consolidation plan > > > > > > .../display/imx/fsl,mipi-dsi-imx6.yaml | 112 +++ > > > Documentation/gpu/todo.rst | 25 + > > > arch/arm/boot/dts/imx6qdl.dtsi | 8 + > > > drivers/gpu/drm/bridge/synopsys/Kconfig | 1 + > > > drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 713 ++++++++++++------ > > > drivers/gpu/drm/imx/Kconfig | 8 + > > > drivers/gpu/drm/imx/Makefile | 1 + > > > drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c | 399 ++++++++++ > > > .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 7 +- > > > drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 16 +- > > > 10 files changed, 1059 insertions(+), 231 deletions(-) > > > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml > > > create mode 100644 drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c > > >