From mboxrd@z Thu Jan 1 00:00:00 1970 From: kgene@kernel.org (Kukjin Kim) Date: Mon, 05 Jan 2015 21:57:41 +0900 Subject: [PATCH RESEND] ARM: exynos_defconfig: Enable options for display panel support 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> Message-ID: <047c01d028e7$311858e0$93490aa0$@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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, > Hi Javier, Happy new year :) > 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. > > 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. > Agreed with your suggestion and I'll pick this up into Samsung tree soon. Thanks, Kukjin