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

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On 08.12.2015 10:33, Javier Martinez Canillas wrote:
> 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.

Thanks. We could also use a tag with DRM changes for samsung-soc but
since I already flushed my queue for v4.5 I think it would be an
overkill. From my point of view it can safely go through exynos-drm tree.

Best regards,
Krzysztof

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