linux-kernel - RE: [PATCH v4 00/12] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

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Date:	Fri, 30 Nov 2012 19:55:30 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Rahul Sharma' <r.sh.open@...il.com>,
	'Cho KyongHo' <pullip.cho@...sung.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	prathyush.k@...sung.com, sw0312.kim@...sung.com,
	'Subash Patel' <subash.ramaswamy@...aro.org>,
	'Sanghyun Lee' <sanghyun75.lee@...sung.com>,
	rahul.sharma@...sung.com
Subject: RE: [PATCH v4 00/12] iommu/exynos: Fixes and Enhancements of System
 MMU driver with DT

Rahul Sharma wrote:
>
> Hi Mr. Cho,
> 
> We have verified the above patchset for following usecases on exynos5.
> 
> 1) MFC decoding using Sysmmu_L and R. (with the bit Inversion fix)
> 2) GSC operations.
> 3) FIMD and MIXER (HDMI) as displays.
> 
> Thanks for your effort.
> 
Thanks for your test on board.

[...]

> >> > >
> >> > > Looks good to me 1st~3rd patches. After quick review, I think, 1st
> and 2nd
> >> > > patches can go to upstream for v3.8 without any dependency. So I
> will.
> >> > >
> >> > > The 3rd patch has a dependency with other driver changes (4th ~
> 12th), so it
> >> > > should be sent to upstream with others.
> >> > >
> >> > > BTW since the 3rd patch touches many Samsung stuff in arch/arm/ so
> I'd
> >> > > prefer to take it in Samsung tree. If Joerg is ok on iommu/exynos
> driver
> >> > > changes for v3.8...
> >> > >
> >> > > Joerg, please let me know about iommu/exynos stuff so that I can
> decide to
> >> > > take 3rd patch or not for v3.8.
> >> > >
> >> >
> >> > Hi, Kukjin Kim.
> >> >
> >> > I found that control bit fields of clock gating of System MMU of MFC
> L/R is inversed.
> >> > That is reported by Prathyush Kalashwaram.
> >> >
> >> > I will post v5 patchset that solves this.
> >> >
> >>
> >> I did not posted v5 patchset.
> >> Instead, I posted just the fix for the 03/12 patch mentioned above
> >> as the reply to the 03/12 patch.
> >>
> >
> > Hi, Joerg.
> >
> > I am waiting for your comment about the patchset.

Same here.

> > The latest version is v4.
> > And a fix of [patch v4 03/12] mentioned above is posted as a reply.
> >
> > If you have any concern about the patches, please let me know
> >

If there is no reply, as I said, I will apply 1st and 2nd patches...

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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