From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752488AbcF1P7n (ORCPT ); Tue, 28 Jun 2016 11:59:43 -0400 Received: from mail-io0-f193.google.com ([209.85.223.193]:33722 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752020AbcF1P7l convert rfc822-to-8bit (ORCPT ); Tue, 28 Jun 2016 11:59:41 -0400 MIME-Version: 1.0 In-Reply-To: <1466402029-23252-2-git-send-email-simhavcs@gmail.com> References: <1466402029-23252-1-git-send-email-simhavcs@gmail.com> <1466402029-23252-2-git-send-email-simhavcs@gmail.com> From: Vinay Simha Date: Tue, 28 Jun 2016 21:29:39 +0530 Message-ID: Subject: Re: [PATCH v7 2/2] drm/panel: Add JDI LT070ME05000 WUXGA DSI Panel To: Vinay Simha BN Cc: Archit Taneja , Rob Clark , Sumit Semwal , John Stultz , Emil Velikov , Thierry Reding , David Airlie , open list , "open list:DRM PANEL DRIVERS" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hi, Any further comments or reviews? On Mon, Jun 20, 2016 at 11:23 AM, Vinay Simha BN wrote: > Add support for the JDI LT070ME05000 WUXGA DSI panel used in > Nexus 7 2013 devices. > > Programming sequence for the panel is was originally found in the > android-msm-flo-3.4-lollipop-release branch from: > https://android.googlesource.com/kernel/msm.git > > And video mode setting is from dsi-panel-jdi-dualmipi1-video.dtsi > file in: > git://codeaurora.org/kernel/msm-3.10.git LNX.LA.3.6_rb1.27 > > Cc: Archit Taneja > Cc: Rob Clark > Cc: Sumit Semwal > Cc: John Stultz > Cc: Emil Velikov > Cc: Thierry Reding > Cc: David Airlie > Signed-off-by: Sumit Semwal > Signed-off-by: John Stultz > Signed-off-by: Vinay Simha BN > > --- > v1: > * sumit ported to drm/panel framework, john cherry-picked to mainline, > folded down other fixes from Vinay and Archit, vinay removed interface > setting cmd mode, video mode panel selected > > v2: > * incorporated code reviews from theiry, archit > code style, alphabetical soring in Makefile, Kconfig, regulator_bulk, > arrays of u8, generic helper function, documentation bindings, > > v3: > * dcs backlight support added > * tested this panel driver in nexus7 2013 device > > v4: > * backlight interface added in the panel driver > * incorporated width_mm and height_mm suggested by rob herring > > v5: > * theirry review comments incorporated > panel model naming consistent, alphabetical soring in Kconfig > Makefile, MAX_BRIGHTNESS dropped, regulator_names, parameterize > panel width and height, descprition for control display, cabc > and interface setting, temporary variable removed, consistent > error reporting and commit message > * removed tear on/off, scanline, since these are required only > for command mode panels > > v6: > * emil review comments incorporated > PANEL_NUM_REGULATORS dropped, return ret added at necessary > places, if checks dropped for backlight and gpios > > v7: > * emil review comments incorporated > added ARRAY_SIZE in struct, regulator_bulk_disable in poweroff, > gpios checks dropped. > some returns cannot be dropped, since drm panel framework return > type required. > --- > drivers/gpu/drm/panel/Kconfig | 11 + > drivers/gpu/drm/panel/Makefile | 1 + > drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 495 +++++++++++++++++++++++++ > 3 files changed, 507 insertions(+) > create mode 100644 drivers/gpu/drm/panel/panel-jdi-lt070me05000.c > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index 1500ab9..62aba97 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -18,6 +18,17 @@ config DRM_PANEL_SIMPLE > that it can be automatically turned off when the panel goes into a > low power state. > > +config DRM_PANEL_JDI_LT070ME05000 > + tristate "JDI LT070ME05000 WUXGA DSI panel" > + depends on OF > + depends on DRM_MIPI_DSI > + depends on BACKLIGHT_CLASS_DEVICE > + help > + Say Y here if you want to enable support for JDI DSI video mode > + panel as found in Google Nexus 7 (2013) devices. > + The panel has a 1200(RGB)×1920 (WUXGA) resolution and uses > + 24 bit per pixel. > + > config DRM_PANEL_SAMSUNG_LD9040 > tristate "Samsung LD9040 RGB/SPI panel" > depends on OF && SPI > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile > index f277eed..a5c7ec0 100644 > --- a/drivers/gpu/drm/panel/Makefile > +++ b/drivers/gpu/drm/panel/Makefile > @@ -1,4 +1,5 @@ > obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o > +obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o > obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o > obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o > obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o > diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c > new file mode 100644 > index 0000000..888fe2b > --- /dev/null > +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c > @@ -0,0 +1,495 @@ > +/* > + * Copyright (C) 2016 InforceComputing > + * Author: Vinay Simha BN > + * > + * Copyright (C) 2016 Linaro Ltd > + * Author: Sumit Semwal > + * > + * From internet archives, the panel for Nexus 7 2nd Gen, 2013 model is a > + * JDI model LT070ME05000, and its data sheet is at: > + * http://panelone.net/en/7-0-inch/JDI_LT070ME05000_7.0_inch-datasheet > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms of the GNU General Public License version 2 as published by > + * the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + * You should have received a copy of the GNU General Public License along with > + * this program. If not, see . > + */ > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > +#include > + > +#include