From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailgw02.mediatek.com ([210.61.82.184]:4478 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1757576AbdEWDgD (ORCPT ); Mon, 22 May 2017 23:36:03 -0400 Message-ID: <1495510557.4116.1.camel@mtksdaap41> Subject: Re: [PATCH v3 0/3] Fix mdp device tree From: Minghsiu Tsai To: Hans Verkuil CC: Matthias Brugger , Hans Verkuil , , Rob Herring , Mauro Carvalho Chehab , Daniel Kurtz , Pawel Osciak , Houlong Wei , , "Eddie Huang" , Yingjoe Chen , Wu-Cheng Li , , , , , Date: Tue, 23 May 2017 11:35:57 +0800 In-Reply-To: References: <1494559361-42835-1-git-send-email-minghsiu.tsai@mediatek.com> <20ba4f83-7d22-2a8e-4eb6-7d4eba92e2ae@xs4all.nl> <1f7de9e7-2c18-6662-4b95-519d22a70723@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org List-ID: On Mon, 2017-05-22 at 16:16 +0200, Hans Verkuil wrote: > On 05/22/2017 04:14 PM, Matthias Brugger wrote: > > > > > > On 22/05/17 11:09, Hans Verkuil wrote: > >> On 05/12/2017 05:22 AM, Minghsiu Tsai wrote: > >> > >> Who should take care of the dtsi changes? I'm not sure who maintains the mdp dts. > > > > I will take care of the dtsi patches. > > > >> > >> The driver change and the dtsi change need to be in sync, so it is probably easiest > >> to merge this via one tree. > >> > >> Here is my Acked-by for these three patches: > >> > >> Acked-by: Hans Verkuil > >> > >> I can take all three, provided I have the Ack of the mdp dts maintainer. Or it can > >> go through him with my Ack. > >> > > > > I think we should provide backwards compability instead, as proposed here: > > http://lists.infradead.org/pipermail/linux-mediatek/2017-May/008811.html > > > > If this change is ok for you, please let Minghsiu know so that he can > > provide a v4. > > That's a lot better. In that case I can take the media patches and you the dts. > > I'll wait for the v4. > Hi Hans, Matthias, I have uploaded v4, thanks. > Regards, > > Hans > > > > > Regards, > > Matthias > > > >> Regards, > >> > >> Hans > >> > >>> Changes in v3: > >>> - Upload patches again because forget to add v2 in title > >>> > >>> Changes in v2: > >>> - Update commit message > >>> > >>> If the mdp_* nodes are under an mdp sub-node, their corresponding > >>> platform device does not automatically get its iommu assigned properly. > >>> > >>> Fix this by moving the mdp component nodes up a level such that they are > >>> siblings of mdp and all other SoC subsystems. This also simplifies the > >>> device tree. > >>> > >>> Although it fixes iommu assignment issue, it also break compatibility > >>> with old device tree. So, the patch in driver is needed to iterate over > >>> sibling mdp device nodes, not child ones, to keep driver work properly. > >>> > >>> Daniel Kurtz (2): > >>> arm64: dts: mt8173: Fix mdp device tree > >>> media: mtk-mdp: Fix mdp device tree > >>> > >>> Minghsiu Tsai (1): > >>> dt-bindings: mt8173: Fix mdp device tree > >>> > >>> .../devicetree/bindings/media/mediatek-mdp.txt | 12 +- > >>> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 126 ++++++++++----------- > >>> drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 2 +- > >>> 3 files changed, 64 insertions(+), 76 deletions(-) > >>> > >> >