Re: [PATCH 3/4] arm64: dts: renesas: r8a7796: Add DU device to DT

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Hi Simon,

On Thu, Oct 27, 2016 at 4:13 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote:
> On Thu, Oct 27, 2016 at 03:52:44PM +0900, Magnus Damm wrote:
>> Hi Simon, everyone,
>>
>> On Thu, Oct 20, 2016 at 5:56 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote:
>> > On Tue, Oct 18, 2016 at 12:19:26PM +0300, Laurent Pinchart wrote:
>> >> Hi Simon,
>> >>
>> >> On Tuesday 18 Oct 2016 11:05:32 Geert Uytterhoeven wrote:
>> >> > On Mon, Oct 17, 2016 at 11:34 PM, Laurent Pinchart wrote:
>> >> > > Add the DU device to r8a7796.dtsi in a disabled state.
>> >> > >
>> >> > > Signed-off-by: Laurent Pinchart
>> >> > > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
>> >> >
>> >> > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>> >>
>> >> Could you please pick patches 1/4 to 3/4 from this series and apply them to
>> >> your tree ? For convenience I've pushed them to
>> >>
>> >>       git://linuxtv.org/pinchartl/media.git drm/r8a7796/dt
>> >>
>> >> along with patch "arm64: dts: renesas: r8a7795: Remove FCP SoC-specific
>> >> compatible strings" that has been acked too. If you pull from that branch
>> >> please make sure you skip the top-most patch "arm64: dts: renesas: r8a7796-
>> >> salvator-x: Enable DU" for now.
>> >
>> > Sure, done.
>>
>> I think we should hold off with the upstreaming of the DU and VSP
>> integration code for now. Sorry for noticing this late, but I thought
>> we had already discussed the integration order and that merge of
>> non-64-bit capable devices need to be put on hold.
>>
>> In particular, not so much the DU device (this patch) but more the VSP
>> instances. The reason for that is that VSP devices can only perform
>> 32-bit bus mastering without IOMMU. I believe next step for all this
>> would be to enable all on-board memory on r8a7796 Salvator-x, but I
>> think Geert is working on that.
>
> So you would like to see the following patches dropped?
>
> ee73acb13978 arm64: dts: renesas: r8a7796: Add VSP instances
> 0a6519d782fd arm64: dts: renesas: r8a7796: Add FCPF and FCPV instances

Yes, that would be great. Sorry for not noticing earlier.

Thanks,

/ magnus



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