linux-kernel - RE: [PATCH v2 1/1] ARM: exynos_defconfig: Enable options for display panel support

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Date:	Sat, 08 Nov 2014 18:46:43 +0900
From:	Kukjin Kim <kgene@...nel.org>
To:	'Javier Martinez Canillas' <javier@...hile0.org>
Cc:	'Javier Martinez Canillas' <javier.martinez@...labora.co.uk>,
	'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-arm-kernel@...ts.infradead.org,
	'Linux Kernel' <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 1/1] ARM: exynos_defconfig: Enable options for display
 panel support

Javier Martinez Canillas wrote:
> 
> Hello Kukjin,
> 
Hi,

> On Mon, Aug 25, 2014 at 10:45 AM, Javier Martinez Canillas
> <javier.martinez@...labora.co.uk> 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 suport 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 <javier.martinez@...labora.co.uk>
> > Tested-by: Kevin Hilman <khilman@...aro.org>
> > ---
> 
> This patch is needed to have display working on many Exynos boards.
> 
OK, I'll apply this into samsung tree in this weekend.

Thanks for your gentle reminder.

- Kukjin

> $subject enables the config option for the ps8622/ps8625 eDP/LVDS
> bridge driver but this has not landed in mainline yet. Ajay will
> re-spin a new revision of his series that adds this driver though,
> after addressing some issues pointed out on a previous version.
> 
> The Kconfig symbol name (DRM_PS8622) won't change though so maybe is
> not crazy to pick the patch as is since CONFIG_DRM_PS8622 will have to
> be enabled later when the bridge driver lands. Or do you want me to
> re-spin $subject removing that option?
> 
> Best regards,
> Javier

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