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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=3kZXI1vtvS0Yvb6slBFRI9pS9XAeJXzQm2yXW938Umo=; b=C1i6UWUfYlH0v6onPLoMHw4Ql9itxQwCTcsXuGegbGF43V311XCOhHGyspvzMEU+xh O4f8AVmxzAw9y05pHFpTLc6Mubm5svDTaKWS7otwcwRoqA6t2SyGZ0sS95lp86lSxpwp Urq0BjaYSzQJ4ee+4jokOpKU0jgi+6vM5BNzW0vjLXkptefXfpYUvgEMvVf2F1gxUb9o DkC0ltp6tZYU2zFLmflWigpR7r9vkdp+i2U6DRZoxpdZNTzRFWnUOJeb0/l6W4Dz6R8D wBx/LrZ1baduavj3FI+WGT4JxCkMIGtTPewkowEbtig603cZfAxstB9pP5NowXYqf58S 1EXw== X-Gm-Message-State: AOAM5329DrsPv/N7ViHD++SR5qLLP9VhrpbdnXPcHeEumHaIn0UByncl gJeKe0HyEm2qAGGvgaP3nhWMFRDyNa0FVJzvqiMylA== X-Google-Smtp-Source: ABdhPJz6WxJB9n9R0lhxCYrp90OGkbSPfI3upiI7vUcraPT3a8lXeVRKeYJ+3pLVzsidvy6f73vg7LbF70pb18gBPoI= X-Received: by 2002:a05:6402:693:: with SMTP id f19mr20106726edy.213.1629863393359; Tue, 24 Aug 2021 20:49:53 -0700 (PDT) MIME-Version: 1.0 References: <20210816105934.28265-1-irui.wang@mediatek.com> <20210816105934.28265-2-irui.wang@mediatek.com> <6efbfdbac55c5c8175168be96d3a2e63b4ac0f07.camel@mediatek.com> In-Reply-To: <6efbfdbac55c5c8175168be96d3a2e63b4ac0f07.camel@mediatek.com> From: Ezequiel Garcia Date: Wed, 25 Aug 2021 00:49:41 -0300 Message-ID: Subject: Re: [PATCH 1/9] dt-bindings: media: mtk-vcodec: Add binding for MT8195 two venc cores To: =?UTF-8?B?SXJ1aSBXYW5nICjnjovnkZ4p?= Cc: "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , =?UTF-8?B?TG9uZ2ZlaSBXYW5nICjnjovpvpnpo54p?= , =?UTF-8?B?VGlmZmFueSBMaW4gKOael+aFp+ePiik=?= , "frkoenig@chromium.org" , "linux-media@vger.kernel.org" , =?UTF-8?B?TWFvZ3VhbmcgTWVuZyAo5a2f5q+b5bm/KQ==?= , "devicetree@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , "mchehab@kernel.org" , "tzungbi@chromium.org" , =?UTF-8?B?WXVuZmVpIERvbmcgKOiRo+S6kemjnik=?= , =?UTF-8?B?WW9uZyBXdSAo5ZC05YuHKQ==?= , srv_heupstream , "tfiga@google.com" , "hverkuil-cisco@xs4all.nl" , "hsinyi@chromium.org" , "linux-arm-kernel@lists.infradead.org" , Project_Global_Chrome_Upstream_Group , "matthias.bgg@gmail.com" , =?UTF-8?B?QW5kcmV3LUNUIENoZW4gKOmZs+aZuui/qik=?= , "acourbot@chromium.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 24 Aug 2021 at 23:04, Irui Wang (=E7=8E=8B=E7=91=9E) wrote: > > Hi,Ezequiel, > > Thanks for your reviewing. > > On Tue, 2021-08-24 at 08:02 -0300, Ezequiel Garcia wrote: > > Hi Irui, > > > > On Mon, 16 Aug 2021 at 08:00, Irui Wang > > wrote: > > > > > > Enable MT8195 two H.264 venc cores, updates vcodec binding > > > document. > > > > > > Signed-off-by: Irui Wang > > > --- > > > Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/media/mediatek- > > > vcodec.txt b/Documentation/devicetree/bindings/media/mediatek- > > > vcodec.txt > > > index de961699ba0a..eb2e24c32426 100644 > > > --- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt > > > +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt > > > @@ -11,6 +11,8 @@ Required properties: > > > "mediatek,mt8173-vcodec-dec" for MT8173 decoder. > > > "mediatek,mt8192-vcodec-enc" for MT8192 encoder. > > > "mediatek,mt8195-vcodec-enc" for MT8195 encoder. > > > + "mediatek,mtk-venc-core0" for MT8195 avc core0 device. > > > + "mediatek,mtk-venc-core1" for MT8195 avc core1 device. > > > > What is the difference between core0 and core1? > > > > Thanks, > > Ezequiel > > Both core0 and core1 are H264 encoder hardware, they have their own > hardware register base, used power-domains/clocks/irqs. We can use any > of them for H.264 encoding, but the two cores can work together for > higher performance, it's called "frame racing", a hardware encoding > mode, control flow just like in the commit messages: > > core0 frame#0.frame#2.frame#4... > core1 frame#1.frame#3.frame#5... > If they are two encoder cores, why do you need different compatible strings= ? It would be interesting to see a device tree which shows how this should be used in the real world, but from the looks of it, it seems you don't need a separate compatible. It seems this series is somewhat related to Yunfei's "[PATCH v5, 00/15] Using component framework to support multi hardware decode", but I don't see a device tree patch either in that series. Given this is a complex architecture, I don't know if it makes sense to discuss decoder and encoder independently. If you guys unify the two series, and add the device tree patches for it, or at least for the most complex cases, maybe that will surface the architecture more clearly and come up with an easier solution that doesn't involve an async framework to pull in the parts together. Thanks, Ezequiel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92EF5C432BE for ; Wed, 25 Aug 2021 03:50:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5AE816128A for ; Wed, 25 Aug 2021 03:50:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5AE816128A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vanguardiasur.com.ar Authentication-Results: mail.kernel.org; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org T24gVHVlLCAyNCBBdWcgMjAyMSBhdCAyMzowNCwgSXJ1aSBXYW5nICjnjovnkZ4pIDxJcnVpLldh bmdAbWVkaWF0ZWsuY29tPiB3cm90ZToKPgo+IEhpLEV6ZXF1aWVsLAo+Cj4gVGhhbmtzIGZvciB5 b3VyIHJldmlld2luZy4KPgo+IE9uIFR1ZSwgMjAyMS0wOC0yNCBhdCAwODowMiAtMDMwMCwgRXpl cXVpZWwgR2FyY2lhIHdyb3RlOgo+ID4gSGkgSXJ1aSwKPiA+Cj4gPiBPbiBNb24sIDE2IEF1ZyAy MDIxIGF0IDA4OjAwLCBJcnVpIFdhbmcgPGlydWkud2FuZ0BtZWRpYXRlay5jb20+Cj4gPiB3cm90 ZToKPiA+ID4KPiA+ID4gRW5hYmxlIE1UODE5NSB0d28gSC4yNjQgdmVuYyBjb3JlcywgdXBkYXRl cyB2Y29kZWMgYmluZGluZwo+ID4gPiBkb2N1bWVudC4KPiA+ID4KPiA+ID4gU2lnbmVkLW9mZi1i eTogSXJ1aSBXYW5nIDxpcnVpLndhbmdAbWVkaWF0ZWsuY29tPgo+ID4gPiAtLS0KPiA+ID4gIERv Y3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9tZWRpYS9tZWRpYXRlay12Y29kZWMudHh0 IHwgMiArKwo+ID4gPiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKQo+ID4gPgo+ID4g PiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL21lZGlhL21l ZGlhdGVrLQo+ID4gPiB2Y29kZWMudHh0IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRp bmdzL21lZGlhL21lZGlhdGVrLQo+ID4gPiB2Y29kZWMudHh0Cj4gPiA+IGluZGV4IGRlOTYxNjk5 YmEwYS4uZWIyZTI0YzMyNDI2IDEwMDY0NAo+ID4gPiAtLS0gYS9Eb2N1bWVudGF0aW9uL2Rldmlj ZXRyZWUvYmluZGluZ3MvbWVkaWEvbWVkaWF0ZWstdmNvZGVjLnR4dAo+ID4gPiArKysgYi9Eb2N1 bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvbWVkaWEvbWVkaWF0ZWstdmNvZGVjLnR4dAo+ ID4gPiBAQCAtMTEsNiArMTEsOCBAQCBSZXF1aXJlZCBwcm9wZXJ0aWVzOgo+ID4gPiAgICAibWVk aWF0ZWssbXQ4MTczLXZjb2RlYy1kZWMiIGZvciBNVDgxNzMgZGVjb2Rlci4KPiA+ID4gICAgIm1l ZGlhdGVrLG10ODE5Mi12Y29kZWMtZW5jIiBmb3IgTVQ4MTkyIGVuY29kZXIuCj4gPiA+ICAgICJt ZWRpYXRlayxtdDgxOTUtdmNvZGVjLWVuYyIgZm9yIE1UODE5NSBlbmNvZGVyLgo+ID4gPiArICAi bWVkaWF0ZWssbXRrLXZlbmMtY29yZTAiIGZvciBNVDgxOTUgYXZjIGNvcmUwIGRldmljZS4KPiA+ ID4gKyAgIm1lZGlhdGVrLG10ay12ZW5jLWNvcmUxIiBmb3IgTVQ4MTk1IGF2YyBjb3JlMSBkZXZp Y2UuCj4gPgo+ID4gV2hhdCBpcyB0aGUgZGlmZmVyZW5jZSBiZXR3ZWVuIGNvcmUwIGFuZCBjb3Jl MT8KPiA+Cj4gPiBUaGFua3MsCj4gPiBFemVxdWllbAo+Cj4gQm90aCBjb3JlMCBhbmQgY29yZTEg YXJlIEgyNjQgZW5jb2RlciBoYXJkd2FyZSwgdGhleSBoYXZlIHRoZWlyIG93bgo+IGhhcmR3YXJl IHJlZ2lzdGVyIGJhc2UsIHVzZWQgcG93ZXItZG9tYWlucy9jbG9ja3MvaXJxcy4gV2UgY2FuIHVz ZSBhbnkKPiBvZiB0aGVtIGZvciBILjI2NCBlbmNvZGluZywgYnV0IHRoZSB0d28gY29yZXMgY2Fu IHdvcmsgdG9nZXRoZXIgZm9yCj4gaGlnaGVyIHBlcmZvcm1hbmNlLCBpdCdzIGNhbGxlZCAiZnJh bWUgcmFjaW5nIiwgYSBoYXJkd2FyZSBlbmNvZGluZwo+IG1vZGUsIGNvbnRyb2wgZmxvdyBqdXN0 IGxpa2UgaW4gdGhlIGNvbW1pdCBtZXNzYWdlczoKPgo+IGNvcmUwIGZyYW1lIzAuZnJhbWUjMi5m cmFtZSM0Li4uCj4gY29yZTEgICAgZnJhbWUjMS5mcmFtZSMzLmZyYW1lIzUuLi4KPgoKSWYgdGhl eSBhcmUgdHdvIGVuY29kZXIgY29yZXMsIHdoeSBkbyB5b3UgbmVlZCBkaWZmZXJlbnQgY29tcGF0 aWJsZSBzdHJpbmdzPwoKSXQgd291bGQgYmUgaW50ZXJlc3RpbmcgdG8gc2VlIGEgZGV2aWNlIHRy ZWUgd2hpY2ggc2hvd3MgaG93IHRoaXMgc2hvdWxkCmJlIHVzZWQgaW4gdGhlIHJlYWwgd29ybGQs IGJ1dCBmcm9tIHRoZSBsb29rcyBvZiBpdCwgaXQgc2VlbXMgeW91IGRvbid0Cm5lZWQgYSBzZXBh cmF0ZSBjb21wYXRpYmxlLgoKSXQgc2VlbXMgdGhpcyBzZXJpZXMgaXMgc29tZXdoYXQgcmVsYXRl ZCB0byBZdW5mZWkncyAiW1BBVENIIHY1LAowMC8xNV0gVXNpbmcgY29tcG9uZW50IGZyYW1ld29y ayB0byBzdXBwb3J0IG11bHRpIGhhcmR3YXJlIGRlY29kZSIsCmJ1dCBJIGRvbid0IHNlZSBhIGRl dmljZSB0cmVlIHBhdGNoIGVpdGhlciBpbiB0aGF0IHNlcmllcy4KCkdpdmVuIHRoaXMgaXMgYSBj b21wbGV4IGFyY2hpdGVjdHVyZSwgSSBkb24ndCBrbm93IGlmIGl0Cm1ha2VzIHNlbnNlIHRvIGRp c2N1c3MgZGVjb2RlciBhbmQgZW5jb2RlciBpbmRlcGVuZGVudGx5LgoKSWYgeW91IGd1eXMgdW5p ZnkgdGhlIHR3byBzZXJpZXMsIGFuZCBhZGQgdGhlIGRldmljZSB0cmVlIHBhdGNoZXMgZm9yIGl0 LApvciBhdCBsZWFzdCBmb3IgdGhlIG1vc3QgY29tcGxleCBjYXNlcywgbWF5YmUgdGhhdCB3aWxs IHN1cmZhY2UgdGhlCmFyY2hpdGVjdHVyZSBtb3JlIGNsZWFybHkgYW5kIGNvbWUgdXAgd2l0aCBh biBlYXNpZXIgc29sdXRpb24gdGhhdApkb2Vzbid0IGludm9sdmUKYW4gYXN5bmMgZnJhbWV3b3Jr IHRvIHB1bGwgaW4gdGhlIHBhcnRzIHRvZ2V0aGVyLgoKVGhhbmtzLApFemVxdWllbAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbWVkaWF0ZWsg bWFpbGluZyBsaXN0CkxpbnV4LW1lZGlhdGVrQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tZWRpYXRlawo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38537C432BE for ; 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Tue, 24 Aug 2021 20:49:53 -0700 (PDT) MIME-Version: 1.0 References: <20210816105934.28265-1-irui.wang@mediatek.com> <20210816105934.28265-2-irui.wang@mediatek.com> <6efbfdbac55c5c8175168be96d3a2e63b4ac0f07.camel@mediatek.com> In-Reply-To: <6efbfdbac55c5c8175168be96d3a2e63b4ac0f07.camel@mediatek.com> From: Ezequiel Garcia Date: Wed, 25 Aug 2021 00:49:41 -0300 Message-ID: Subject: Re: [PATCH 1/9] dt-bindings: media: mtk-vcodec: Add binding for MT8195 two venc cores To: =?UTF-8?B?SXJ1aSBXYW5nICjnjovnkZ4p?= Cc: "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , =?UTF-8?B?TG9uZ2ZlaSBXYW5nICjnjovpvpnpo54p?= , =?UTF-8?B?VGlmZmFueSBMaW4gKOael+aFp+ePiik=?= , "frkoenig@chromium.org" , "linux-media@vger.kernel.org" , =?UTF-8?B?TWFvZ3VhbmcgTWVuZyAo5a2f5q+b5bm/KQ==?= , "devicetree@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , "mchehab@kernel.org" , "tzungbi@chromium.org" , =?UTF-8?B?WXVuZmVpIERvbmcgKOiRo+S6kemjnik=?= , =?UTF-8?B?WW9uZyBXdSAo5ZC05YuHKQ==?= , srv_heupstream , "tfiga@google.com" , "hverkuil-cisco@xs4all.nl" , "hsinyi@chromium.org" , "linux-arm-kernel@lists.infradead.org" , Project_Global_Chrome_Upstream_Group , "matthias.bgg@gmail.com" , =?UTF-8?B?QW5kcmV3LUNUIENoZW4gKOmZs+aZuui/qik=?= , "acourbot@chromium.org" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210824_204956_318662_6FE929E8 X-CRM114-Status: GOOD ( 26.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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