Hi Tomasz,
On 10 May 2013 05:35, Tomasz Figa <[email protected]> wrote: > Hi Vikas, > > On Wednesday 08 of May 2013 11:31:34 Vikas Sajjan wrote: > > Adds display timing node for a DP panel to Arndale Board DTS file > > > > Signed-off-by: Vikas Sajjan <[email protected]> > > --- > > arch/arm/boot/dts/exynos5250-arndale.dts | 16 ++++++++++++++++ > > 1 file changed, 16 insertions(+) > > > > diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts > > b/arch/arm/boot/dts/exynos5250-arndale.dts index f68b820..c831a5c > > 100644 > > --- a/arch/arm/boot/dts/exynos5250-arndale.dts > > +++ b/arch/arm/boot/dts/exynos5250-arndale.dts > > @@ -459,4 +459,20 @@ > > samsung,lane-count = <4>; > > }; > > > > + display-timings { > > + native-mode = <&timing0>; > > + timing0: timing@0 { > > + /* 2560x1600 DP panel */ > > + clock-frequency = <50000>; > > + hactive = <2560>; > > + vactive = <1600>; > > + hfront-porch = <48>; > > + hback-porch = <80>; > > + hsync-len = <32>; > > + vback-porch = <16>; > > + vfront-porch = <8>; > > + vsync-len = <6>; > > + }; > > + }; > > What display are those timings used for? Shouldn't they be placed inside > node of that display? > > This timing information will be used parsed by the FIMD probe with the help of "Video Helper function" as done in this link https://git.kernel.org/cgit/linux/kernel/git/daeinki/drm-exynos.git/commit/?h=exynos-drm-next&id=7f4596f4aebcc9fcf2d50d3fe398508d710c4dd0 Please refer to this patch which is used for exynos4412-origen and exynos5250-smdk5250 respectively in similar way https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=0207775d6ff7e6a6eddb9931f9328f0f0173a338 https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=06c460b73f75894cabfb1f5277f27cddbc92745c Best regards, > Tomasz > > -- Thanks and Regards Vikas Sajjan
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