Re: [PATCH 4/4] ARM: dts: Use OF graph for DP to panel connection in exynos5800-peach-pi

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Hello Krzysztof,

On 12/07/2015 09:45 PM, Krzysztof Kozlowski wrote:
> On 07.12.2015 21:52, Inki Dae wrote:
>> From: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>>
>> The DT binding for the Exynos DRM Display Port (DP) driver isn't consistent
>> since it uses a phandle to describe the connection between the DP port and
>> the display panel but uses the OF graph ports and endpoints to describe the
>> connection betwen the DP port, a bridge chip and the panel.
>>
>> The Exynos DP driver and the DT binding have been changed to allow also to
>> describe the DP port to panel connection using ports / endpoints (OF graph)
>> so this patch changes the Exynos5800 Peach Pi DT to make it consistent with
>> the Exynos5420 Peach Pit that has a eDP to LVDS chip and uses OF graph too.
>>
>> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>> Tested-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>> Reviewed-by: Inki Dae <inki.dae@xxxxxxxxxxx>
>> ---
>>  arch/arm/boot/dts/exynos5800-peach-pi.dts | 15 ++++++++++++++-
>>  1 file changed, 14 insertions(+), 1 deletion(-)
>>
> 
> Looks sensible:
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> 
> Dependencies are not mentioned, does it depend on patch 1?
>

Yes, it depends on patch 1/4 so it should be merged through the Exynos DRM
tree to maintain bisectability. Inki's patch maintains the DT ABI backward
compatibility though so another option is to wait until the DRM change hit
mainline and then pick $SUBJECT.
 
> Best regards,
> Krzysztof
> 

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America
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