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Message-ID: <CAEC9eQNy=3LwwyAEJOSt1vFkZACzx9CAzAbsrpS2q4RfW3JiUw@mail.gmail.com> Date: Fri, 5 Sep 2014 12:05:03 +0530 From: Ajay kumar <ajaynumb@...il.com> To: Kukjin Kim <kgene.kim@...sung.com>, InKi Dae <inki.dae@...sung.com>, Javier Martinez Canillas <javier.martinez@...labora.co.uk> Cc: Doug Anderson <dianders@...omium.org>, Olof Johansson <olof@...om.net>, Kevin Hilman <khilman@...aro.org>, Andreas Färber <afaerber@...e.de>, Ajay Kumar <ajaykumar.rs@...sung.com>, "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, LKML <linux-kernel@...r.kernel.org>, Thierry Reding <thierry.reding@...il.com> Subject: Re: [PATCH 1/1] ARM: exynos_defconfig: Enable options for display panel support Hi, On Wed, Sep 3, 2014 at 9:56 PM, Kukjin Kim <kgene.kim@...sung.com> wrote: > 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 display bridge. >> >> This patch enables the following features 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 and LCD device support >> > Thanks a lot. > > >> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk> >> --- >> >> Some of the options enabled here (e.g: the eDP/LVDS bridges) >> are still not merged in mainline so this patch depends on >> the following posted patches that were still not merged: >> >> "drm/bridge: Modify drm_bridge core to support driver model" [0] >> "drm/bridge: Add i2c based driver for ptn3460 bridge" [1] >> "drm/bridge: Add i2c based driver for ps8622/ps8625 bridge" [2] >> > BTW, I can't find its re-spin...how was going on? I already sent this a week back.Find it here: http://www.spinics.net/lists/dri-devel/msg66740.html Inki Dae, In this patchset, patch "[PATCH V7 5/12] drm/exynos: dp: support drm_bridge" introduces following Kconfig error: drivers/video/fbdev/Kconfig:5:error: recursive dependency detected! drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER drivers/gpu/drm/Kconfig:39: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER drivers/gpu/drm/Kconfig:33: symbol DRM_KMS_HELPER is selected by DRM_BRIDGE drivers/gpu/drm/bridge/Kconfig:1: symbol DRM_BRIDGE is selected by DRM_EXYNOS_DP drivers/gpu/drm/exynos/Kconfig:53: symbol DRM_EXYNOS_DP depends on DRM_EXYNOS_FIMD drivers/gpu/drm/exynos/Kconfig:28: symbol DRM_EXYNOS_FIMD depends on FB_S3C drivers/video/fbdev/Kconfig:2038: symbol FB_S3C depends on FB How to fix this? Can we remove dependency between FB_S3C and DRM_EXYNOS_FIMD? >> But I wanted to post anyways to make easier for others to >> figure out what are the needed options to have the display >> working on their Exynos machines. >> >> In order to test the display panel on the Peach machines, >> the following patches are also needed: >> >> "ARM: dts: Add DT changes for display on peach_pit" [3] >> "ARM: dts: Add DT changes for display on peach_pi" [4] >> > I'll have a look them soon. The above ones are older versions. Latest ones are here: 1) http://www.spinics.net/lists/linux-samsung-soc/msg35344.html 2) http://www.spinics.net/lists/arm-kernel/msg358324.html 3) http://www.spinics.net/lists/arm-kernel/msg358325.html Among the above, patch (1) can be merged because corresponding driver changes are already merged! Ajay > - Kukjin > >> Best regards, >> Javier >> >> [0]: http://patchwork.ozlabs.org/patch/373792/ >> [1]: http://patchwork.ozlabs.org/patch/373793/ >> [2]: http://patchwork.ozlabs.org/patch/373794/ >> [3]: http://www.spinics.net/lists/arm-kernel/msg350568.html >> [4]: http://www.spinics.net/lists/arm-kernel/msg350569.html >> >> arch/arm/configs/exynos_defconfig | 14 ++++++++++++++ >> 1 file changed, 14 insertions(+) >> >> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig >> index 676c744..f69d57e 100644 >> --- a/arch/arm/configs/exynos_defconfig >> +++ b/arch/arm/configs/exynos_defconfig >> @@ -101,11 +101,25 @@ 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_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 >> -- >> 2.0.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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