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=-17.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 30FB0C433E0 for ; Thu, 18 Feb 2021 20:38:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C119564DE8 for ; Thu, 18 Feb 2021 20:38:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231344AbhBRUil (ORCPT ); Thu, 18 Feb 2021 15:38:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231316AbhBRUgx (ORCPT ); Thu, 18 Feb 2021 15:36:53 -0500 Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3507FC0613D6; Thu, 18 Feb 2021 12:36:12 -0800 (PST) Received: by mail-ej1-x62c.google.com with SMTP id lu16so7816092ejb.9; Thu, 18 Feb 2021 12:36:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=b2dGHO40qnmErdR79j58+XfsMhk8xrmvrKuzcPpQJJo=; b=tVy7oU3itDJXhPDILmq6d6KRIglOqfJw1C0cJgIjlGAUSlYrlYpedN8kEUCQkKN1To WPgRIQ7/fYRSmXkWMmsDpE2OZmGGjQ7F2uspOtI/X6C7VlnodfpgxdFYom3OpTL8v+b6 9L0Rlh4x6JpJNeugWXmm9IZYQU0P3XNGr1/D1Ry1Mcv+D/iAKYc4s04lvkrD3PItPYhK REqkLp97tHjCLgAO6/nZIsyHccfb8nqOP8rI0Flnnumof+75ziLRTvNzbzv2Ssr56EHt JdK32mbbLrroHLzOaUw/qfMbo9b+ofJ3wiBr7GeRvw3Pc8juLnHDaymEkPKbUzF9sa5X QA/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=b2dGHO40qnmErdR79j58+XfsMhk8xrmvrKuzcPpQJJo=; b=Eds8Xc/vkmSE/xV2wRst7Ch67ISMw2eehjqk73fvGptRYI0qLuwDM9u8YAx4iQ2hnK tcDjyTG4xUSVuHVVLWZdoCdAFXIehSz9rhuyO1x7boxlYqcrzkN2IX7Hy2dRbq+yUnEZ EyPLkVnbtzmFYIE2K7mjpF69twM9DY05RxgOiup9AJdbCvdlVvTq12qaNLdP1YjTgP0M OtiKEeIgRyZakGEV+aNJ08nCjdaJuccALbiEkbcd54Zbyo9+o0K+3P6KIwMYoGmHPOOi cUnC2Hy8hDTd8RdYTFaPGfCF0QtPq7BZZRIbFSzIpmd54rcgTS/DhJk2HKMxpPztsAik nYPg== X-Gm-Message-State: AOAM531BJ+10ZxTQqJX2UQL3X5PshcKlRub6sHMJ7ldr+QePvfaGdTDQ PTinfzYGStndbvaJkPcqbNkBZqLLj6LtJkCX1WRM4SlL934= X-Google-Smtp-Source: ABdhPJzJlclezcsjVnuK5TR9Xh4m/IrNwA5Y9ZhRjmvUVBLC/prFNpu1yXl0GcufAFsJ4LJP3e8RS5VXYVLn+wTGZxs= X-Received: by 2002:a17:906:c1c1:: with SMTP id bw1mr5895903ejb.86.1613680570740; Thu, 18 Feb 2021 12:36:10 -0800 (PST) MIME-Version: 1.0 References: <20210214232904.1142706-1-adrien.grassein@gmail.com> <20210214232904.1142706-3-adrien.grassein@gmail.com> In-Reply-To: From: Adrien Grassein Date: Thu, 18 Feb 2021 21:35:59 +0100 Message-ID: Subject: Re: [PATCH v2 2/2] drm/bridge: Introduce LT8912 DSI to HDMI bridge To: Robert Foss Cc: David Airlie , Daniel Vetter , Andrzej Hajda , Rob Herring , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , dri-devel , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , linux-kernel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey Robert, Thank you for your time and for your review. Le mer. 17 f=C3=A9vr. 2021 =C3=A0 18:32, Robert Foss a =C3=A9crit : > > Hey Adrien, > > Thanks for submitting this! > > On Mon, 15 Feb 2021 at 00:31, Adrien Grassein = wrote: > > > > Lontium Lt8912 is a DSI to HDMI bridge. > > > > Signed-off-by: Adrien Grassein > > --- > > MAINTAINERS | 1 + > > drivers/gpu/drm/bridge/Kconfig | 14 + > > drivers/gpu/drm/bridge/Makefile | 1 + > > drivers/gpu/drm/bridge/lontium-lt8912.c | 719 ++++++++++++++++++++++++ > > 4 files changed, 735 insertions(+) > > create mode 100644 drivers/gpu/drm/bridge/lontium-lt8912.c > > > > diff --git a/MAINTAINERS b/MAINTAINERS > > index f010b485aa7c..8b3d64b689c7 100644 > > --- a/MAINTAINERS > > +++ b/MAINTAINERS > > @@ -10444,6 +10444,7 @@ LONTIUM LT8912 MIPI TO HDMI BRIDGE > > M: Adrien Grassein > > S: Maintained > > F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912= .yaml > > +F: drivers/gpu/drm/bridge/lontium-lt8912.c > > > > LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) > > M: Sathya Prakash > > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kc= onfig > > index e4110d6ca7b3..5b36d4b86e3c 100644 > > --- a/drivers/gpu/drm/bridge/Kconfig > > +++ b/drivers/gpu/drm/bridge/Kconfig > > @@ -48,6 +48,20 @@ config DRM_DISPLAY_CONNECTOR > > on ARM-based platforms. Saying Y here when this driver is not= needed > > will not cause any issue. > > > > +config DRM_LONTIUM_LT8912 > > + tristate "Lontium LT8912 DSI/HDMI bridge" > > + depends on OF > > + select DRM_PANEL_BRIDGE > > + select DRM_KMS_HELPER > > + select REGMAP_I2C > > + help > > + Driver for Lontium LT8912 DSI to HDMI bridge > > + chip driver. > > + Please say Y if you have such hardware. > > + > > + Say M here if you want to support this hardware as a module. > > + The module will be named "lontium-lt8912". > > + > > config DRM_LONTIUM_LT9611 > > tristate "Lontium LT9611 DSI/HDMI bridge" > > select SND_SOC_HDMI_CODEC if SND_SOC > > diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/M= akefile > > index 86e7acc76f8d..5a1b201cea1f 100644 > > --- a/drivers/gpu/drm/bridge/Makefile > > +++ b/drivers/gpu/drm/bridge/Makefile > > @@ -2,6 +2,7 @@ > > obj-$(CONFIG_DRM_CDNS_DSI) +=3D cdns-dsi.o > > obj-$(CONFIG_DRM_CHRONTEL_CH7033) +=3D chrontel-ch7033.o > > obj-$(CONFIG_DRM_DISPLAY_CONNECTOR) +=3D display-connector.o > > +obj-$(CONFIG_DRM_LONTIUM_LT8912) +=3D lontium-lt8912.o > > obj-$(CONFIG_DRM_LONTIUM_LT9611) +=3D lontium-lt9611.o > > obj-$(CONFIG_DRM_LONTIUM_LT9611UXC) +=3D lontium-lt9611uxc.o > > obj-$(CONFIG_DRM_LVDS_CODEC) +=3D lvds-codec.o > > diff --git a/drivers/gpu/drm/bridge/lontium-lt8912.c b/drivers/gpu/drm/= bridge/lontium-lt8912.c > > new file mode 100644 > > index 000000000000..d713d3365c3e > > --- /dev/null > > +++ b/drivers/gpu/drm/bridge/lontium-lt8912.c > > @@ -0,0 +1,719 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +/* > > + * Copyright (c) 2018, The Linux Foundation. All rights reserved. > > + */ > > + > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > + > > +#include > > +#include > > +#include > > +#include > > + > > +#include