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Fri, 19 Feb 2021 22:26:58 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 19 Feb 2021 22:26:56 -0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 20 Feb 2021 14:26:44 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 20 Feb 2021 14:26:43 +0800 Message-ID: <1613802403.896.3.camel@mhfsdcap03> Subject: Re: [PATCH 1/3] dt-bindings: media: mtk-vcodec: Separating mtk vcodec encoder node From: Irui Wang To: Alexandre Courbot Date: Sat, 20 Feb 2021 14:26:43 +0800 In-Reply-To: References: <20210121061804.26423-1-irui.wang@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 720A18DC9132338BE8BA18B4DE8632099806799CD4E7EA48D9B032C45BD5ADD62000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210220_012705_628267_EF893355 X-CRM114-Status: GOOD ( 26.89 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maoguang Meng , Andrew-CT Chen , Tiffany Lin , srv_heupstream@mediatek.com, Tomasz Figa , Yunfei Dong , Longfei Wang , LKML , Matthias Brugger , devicetree , Rob Herring , "moderated list:ARM/Mediatek SoC support" , Hsin-Yi Wang , Hans Verkuil , Mauro Carvalho Chehab , "moderated list:ARM/Mediatek SoC support" , Linux Media Mailing List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Wed, 2021-02-03 at 19:44 +0900, Alexandre Courbot wrote: > On Thu, Jan 21, 2021 at 3:18 PM Irui Wang wrote: > > > > Updates binding document since the avc and vp8 hardware encoder in > > MT8173 are now separated. Separate "mediatek,mt8173-vcodec-enc" to > > "mediatek,mt8173-vcodec-vp8-enc" and "mediatek,mt8173-vcodec-avc-enc". > > > > Signed-off-by: Hsin-Yi Wang > > Signed-off-by: Maoguang Meng > > Signed-off-by: Irui Wang > > > > --- > > .../bindings/media/mediatek-vcodec.txt | 58 ++++++++++--------- > > 1 file changed, 31 insertions(+), 27 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt > > index 8217424fd4bd..f85276e629bf 100644 > > --- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt > > +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt > > @@ -4,7 +4,9 @@ Mediatek Video Codec is the video codec hw present in Mediatek SoCs which > > supports high resolution encoding and decoding functionalities. > > > > Required properties: > > -- compatible : "mediatek,mt8173-vcodec-enc" for MT8173 encoder > > +- compatible : must be one of the following string: > > + "mediatek,mt8173-vcodec-vp8-enc" for mt8173 vp8 encoder. > > + "mediatek,mt8173-vcodec-avc-enc" for mt8173 avc encoder. > > IMHO "mediatek,mt8173-vcodec-enc-vp8" and > "mediatek,mt8173-vcodec-enc-avc" would be more logical. Also to keep a > bit of backward compatibility, shall we also allow > "mediatek,mt8173-vcodec-enc" to be an alias for > "mediatek,mt8173-vcodec-enc-avc"? The line above would become > > "mediatek,mt8173-vcodec-enc-avc" or "mediatek,mt8173-vcodec-enc" for > mt8173 avc encoder. > will be updated in the next version. > > "mediatek,mt8183-vcodec-enc" for MT8183 encoder. > > "mediatek,mt8173-vcodec-dec" for MT8173 decoder. > > - reg : Physical base address of the video codec registers and length of > > @@ -13,10 +15,11 @@ Required properties: > > - mediatek,larb : must contain the local arbiters in the current Socs. > > - clocks : list of clock specifiers, corresponding to entries in > > the clock-names property. > > -- clock-names: encoder must contain "venc_sel_src", "venc_sel",, > > - "venc_lt_sel_src", "venc_lt_sel", decoder must contain "vcodecpll", > > - "univpll_d2", "clk_cci400_sel", "vdec_sel", "vdecpll", "vencpll", > > - "venc_lt_sel", "vdec_bus_clk_src". > > +- clock-names: > > + avc venc must contain "venc_sel"; > > + vp8 venc must contain "venc_lt_sel"; > > Can't we use "venc_sel" for both avc and vp8, since they are different > nodes now? That way we can just say > > encoder must contain "venc_sel" > > which is clearer and also simpler on the code side. > ditto > > + decoder must contain "vcodecpll", "univpll_d2", "clk_cci400_sel", > > + "vdec_sel", "vdecpll", "vencpll", "venc_lt_sel", "vdec_bus_clk_src". > > - iommus : should point to the respective IOMMU block with master port as > > argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt > > for details. > > @@ -80,14 +83,10 @@ vcodec_dec: vcodec@16000000 { > > assigned-clock-rates = <0>, <0>, <0>, <1482000000>, <800000000>; > > }; > > > > - vcodec_enc: vcodec@18002000 { > > - compatible = "mediatek,mt8173-vcodec-enc"; > > - reg = <0 0x18002000 0 0x1000>, /*VENC_SYS*/ > > - <0 0x19002000 0 0x1000>; /*VENC_LT_SYS*/ > > - interrupts = , > > - ; > > - mediatek,larb = <&larb3>, > > - <&larb5>; > > +vcodec_enc: vcodec@18002000 { > > Let's use vcodec_enc_avc as a label? ditto > > > + compatible = "mediatek,mt8173-vcodec-avc-enc"; > > + reg = <0 0x18002000 0 0x1000>; > > + interrupts = ; > > iommus = <&iommu M4U_PORT_VENC_RCPU>, > > <&iommu M4U_PORT_VENC_REC>, > > <&iommu M4U_PORT_VENC_BSDMA>, > > @@ -98,8 +97,20 @@ vcodec_dec: vcodec@16000000 { > > <&iommu M4U_PORT_VENC_REF_LUMA>, > > <&iommu M4U_PORT_VENC_REF_CHROMA>, > > <&iommu M4U_PORT_VENC_NBM_RDMA>, > > - <&iommu M4U_PORT_VENC_NBM_WDMA>, > > - <&iommu M4U_PORT_VENC_RCPU_SET2>, > > + <&iommu M4U_PORT_VENC_NBM_WDMA>; > > + mediatek,larb = <&larb3>; > > + mediatek,vpu = <&vpu>; > > + clocks = <&topckgen CLK_TOP_VENC_SEL>; > > + clock-names = "venc_sel"; > > + assigned-clocks = <&topckgen CLK_TOP_VENC_SEL>; > > + assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL>; > > + }; > > + > > +vcodec_enc_lt: vcodec@19002000 { > > And here the label should probably be "vcodec_enc_vp8" for consistency. ditto > > > > > + compatible = "mediatek,mt8173-vcodec-vp8-enc"; > > + reg = <0 0x19002000 0 0x1000>; /* VENC_LT_SYS */ > > + interrupts = ; > > + iommus = <&iommu M4U_PORT_VENC_RCPU_SET2>, > > <&iommu M4U_PORT_VENC_REC_FRM_SET2>, > > <&iommu M4U_PORT_VENC_BSDMA_SET2>, > > <&iommu M4U_PORT_VENC_SV_COMA_SET2>, > > @@ -108,17 +119,10 @@ vcodec_dec: vcodec@16000000 { > > <&iommu M4U_PORT_VENC_CUR_CHROMA_SET2>, > > <&iommu M4U_PORT_VENC_REF_LUMA_SET2>, > > <&iommu M4U_PORT_VENC_REC_CHROMA_SET2>; > > + mediatek,larb = <&larb5>; > > mediatek,vpu = <&vpu>; > > - clocks = <&topckgen CLK_TOP_VENCPLL_D2>, > > - <&topckgen CLK_TOP_VENC_SEL>, > > - <&topckgen CLK_TOP_UNIVPLL1_D2>, > > - <&topckgen CLK_TOP_VENC_LT_SEL>; > > - clock-names = "venc_sel_src", > > - "venc_sel", > > - "venc_lt_sel_src", > > - "venc_lt_sel"; > > - assigned-clocks = <&topckgen CLK_TOP_VENC_SEL>, > > - <&topckgen CLK_TOP_VENC_LT_SEL>; > > - assigned-clock-parents = <&topckgen CLK_TOP_VENCPLL_D2>, > > - <&topckgen CLK_TOP_UNIVPLL1_D2>; > > + clocks = <&topckgen CLK_TOP_VENC_LT_SEL>; > > + clock-names = "venc_lt_sel"; > > + assigned-clocks = <&topckgen CLK_TOP_VENC_LT_SEL>; > > + assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL_370P5>; > > }; > > -- > > 2.18.0 > > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek