From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753309AbbAEIsW (ORCPT ); Mon, 5 Jan 2015 03:48:22 -0500 Received: from mailout3.w1.samsung.com ([210.118.77.13]:31520 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753283AbbAEIsU (ORCPT ); Mon, 5 Jan 2015 03:48:20 -0500 MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 X-AuditID: cbfec7f4-b7f126d000001e9a-f3-54aa4fcce425 Content-transfer-encoding: 8BIT Message-id: <1420447691.3918.2.camel@AMDC1943> Subject: Re: [PATCH RESEND] ARM: exynos_defconfig: Enable options for display panel support From: Krzysztof Kozlowski To: Javier Martinez Canillas Cc: Kukjin Kim , Doug Anderson , Kevin Hilman , Olof Johansson , linux-samsung-soc@vger.kernel.org, Vivek Gautam , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Date: Mon, 05 Jan 2015 09:48:11 +0100 In-reply-to: <1420215089-2093-1-git-send-email-javier.martinez@collabora.co.uk> References: <1420215089-2093-1-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: Evolution 3.10.4-0ubuntu2 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsVy+t/xa7pn/FeFGDzsVLE4u+wgm0XblYPs Fkd/F1j0LrjKZvH18ApGi02Pr7FaXN41h81ixvl9TBanrn9mc+D0mN1wkcXj7/PrLB53ru1h 89i8pN7jyokmVo++LasYPT5vkgtgj+KySUnNySxLLdK3S+DK2PfnBFvBQrGKy1cfMzUw7hbq YuTkkBAwkfi2ZRczhC0mceHeerYuRi4OIYGljBJ9a/rZQBK8AoISPybfY+li5OBgFpCXOHIp GyTMLKAuMWneIrBeIYHPjBJ/J5hClOtJtL1bwApiCwvESqxbdI0dxGYTMJbYvHwJ2EgRATuJ G6sfMoPsYhZYziTx8dtEsEEsAqoSN2bOZgSxOQX8JS7d+MACscBPYvPZxWA3SAgoSzT2u01g FJiF5LpZCNfNQnLdAkbmVYyiqaXJBcVJ6bmGesWJucWleel6yfm5mxghUfBlB+PiY1aHGAU4 GJV4eD1OrAwRYk0sK67MPcQowcGsJMK77hZQiDclsbIqtSg/vqg0J7X4ECMTB6dUA2O/8sOX V9kninD2snzSV546b9Z3saZZh09/NNi7n5n57YTPm9IW9QadCoze3WY/9eJiO73DPJ6Tjm5o 1uJe56/OwDmnKygn6RrTsipLrxfTV2ZXFnry+R7sCd515F3/Ie3XN9qN1HiWdCasLtrms9lB rlN+556p/6Iny/4JVLhyZmlKfNKR5kwlluKMREMt5qLiRADuX/y4YAIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On pią, 2015-01-02 at 17:11 +0100, Javier Martinez Canillas wrote: > Many Exynos devices have a display panel. Most of them just have > a simple panel while others have more complex configurations that > requires an embedded DisplayPort (eDP) to LVDS bridges. > > This patch enables the following features to be built in the kernel > image to support both setups: > > - Direct Rendering Manager (DRM) > - DRM bridge registration and lookup framework > - Parade ps8622/ps8625 eDP/LVDS bridge > - NXP ptn3460 eDP/LVDS bridge > - Exynos Fully Interactive Mobile Display controller (FIMD) > - Panel registration and lookup framework > - Simple panels > - Backlight & LCD device support > > Signed-off-by: Javier Martinez Canillas > Tested-by: Kevin Hilman > Signed-off-by: Kukjin Kim > --- > > Hello Kukjin, > > You dropped this patch since exynos drm was causing boot hangs on some > platforms but the fix for that issue is already in linux-next (commit: > f1e9203 clk: samsung: Fix Exynos 5420 pinctrl setup and clock disable > failure due to domain being gated) so I think it makes sense to enable > the display options again. I think these issues were unrelated to each other. DRM was disabled because of infinite deferred probing of DRM components. I saw Inki was sending some patches for it but I am not sure if they were merged. Best regards, Krzysztof > > NOTE: Display panel is still not working since patch "arm: dts: Exynos5: > Use pmu_system_controller phandle for dp phy" is needed [0] but I think > we should enable display options to catch the regressions easier. > > Best regards, > Javier > > [0]: https://lkml.org/lkml/2014/11/24/10 > > arch/arm/configs/exynos_defconfig | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig > index 22beed3..27cdd52 100644 > --- a/arch/arm/configs/exynos_defconfig > +++ b/arch/arm/configs/exynos_defconfig > @@ -111,11 +111,26 @@ CONFIG_REGULATOR_S2MPA01=y > CONFIG_REGULATOR_S2MPS11=y > CONFIG_REGULATOR_S5M8767=y > CONFIG_REGULATOR_TPS65090=y > +CONFIG_DRM=y > +CONFIG_DRM_BRIDGE=y > +CONFIG_DRM_PTN3460=y > +CONFIG_DRM_PS8622=y > +CONFIG_DRM_EXYNOS=y > +CONFIG_DRM_EXYNOS_FIMD=y > +CONFIG_DRM_EXYNOS_DP=y > +CONFIG_DRM_PANEL=y > +CONFIG_DRM_PANEL_SIMPLE=y > CONFIG_FB=y > CONFIG_FB_MODE_HELPERS=y > CONFIG_FB_SIMPLE=y > CONFIG_EXYNOS_VIDEO=y > CONFIG_EXYNOS_MIPI_DSI=y > +CONFIG_BACKLIGHT_LCD_SUPPORT=y > +CONFIG_LCD_CLASS_DEVICE=y > +CONFIG_LCD_PLATFORM=y > +CONFIG_BACKLIGHT_CLASS_DEVICE=y > +CONFIG_BACKLIGHT_GENERIC=y > +CONFIG_BACKLIGHT_PWM=y > CONFIG_FRAMEBUFFER_CONSOLE=y > CONFIG_FONTS=y > CONFIG_FONT_7x14=y