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=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED 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 2A221C433E0 for ; Wed, 17 Feb 2021 19:41:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 01EB164E45 for ; Wed, 17 Feb 2021 19:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233369AbhBQTky (ORCPT ); Wed, 17 Feb 2021 14:40:54 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:59160 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233314AbhBQTkt (ORCPT ); Wed, 17 Feb 2021 14:40:49 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id E062B1F45845 Message-ID: Subject: Re: [PATCH v1 03/18] arm64: dts: imx8mq-evk: add reserve memory node for CMA region From: Ezequiel Garcia To: Benjamin Gaignard , p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, krzk@kernel.org, shengjiu.wang@nxp.com, adrian.ratiu@collabora.com, aisheng.dong@nxp.com, peng.fan@nxp.com, Anson.Huang@nxp.com, hverkuil-cisco@xs4all.nl Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, kernel@collabora.com Date: Wed, 17 Feb 2021 16:39:49 -0300 In-Reply-To: <20210217080306.157876-4-benjamin.gaignard@collabora.com> References: <20210217080306.157876-1-benjamin.gaignard@collabora.com> <20210217080306.157876-4-benjamin.gaignard@collabora.com> Organization: Collabora Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.2-1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Benjamin, On Wed, 2021-02-17 at 09:02 +0100, Benjamin Gaignard wrote: > Define allocation range for the default CMA region. > > Signed-off-by: Benjamin Gaignard > Signed-off-by: Ezequiel Garcia Despite it seems like I signed-off this one... > Signed-off-by: Adrian Ratiu > --- >  arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 15 +++++++++++++++ >  1 file changed, 15 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > index 85b045253a0e..047dfd4a1ffd 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > @@ -21,6 +21,21 @@ memory@40000000 { >                 reg = <0x00000000 0x40000000 0 0xc0000000>; >         }; > >   > +       resmem: reserved-memory { > +               #address-cells = <2>; > +               #size-cells = <2>; > +               ranges; > + > +               /* global autoconfigured region for contiguous allocations */ > +               linux,cma { > +                       compatible = "shared-dma-pool"; > +                       reusable; > +                       size = <0 0x3c000000>; > +                       alloc-ranges = <0 0x40000000 0 0x40000000>; > +                       linux,cma-default; > +               }; ... I'm not a fan of the change :) Hopefully someone from NXP can provide some insight here? If it's absolutely needed for the VPU, then I guess it should be 1) very well documented and 2) moved to the top-lovel dtsi. But if we can drop it, that'd be nicer. 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=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED 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 E3FD0C433DB for ; Wed, 17 Feb 2021 19:40:37 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 87CC464E45 for ; Wed, 17 Feb 2021 19:40:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87CC464E45 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; 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Wed, 17 Feb 2021 19:40:32 +0000 (UTC) Received: by smtp3.osuosl.org (Postfix, from userid 1001) id 6EF40605B3; Wed, 17 Feb 2021 19:40:32 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by smtp3.osuosl.org (Postfix) with ESMTPS id 2B62C605AF for ; Wed, 17 Feb 2021 19:40:08 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id E062B1F45845 Message-ID: Subject: Re: [PATCH v1 03/18] arm64: dts: imx8mq-evk: add reserve memory node for CMA region From: Ezequiel Garcia To: Benjamin Gaignard , p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, krzk@kernel.org, shengjiu.wang@nxp.com, adrian.ratiu@collabora.com, aisheng.dong@nxp.com, peng.fan@nxp.com, Anson.Huang@nxp.com, hverkuil-cisco@xs4all.nl Date: Wed, 17 Feb 2021 16:39:49 -0300 In-Reply-To: <20210217080306.157876-4-benjamin.gaignard@collabora.com> References: <20210217080306.157876-1-benjamin.gaignard@collabora.com> <20210217080306.157876-4-benjamin.gaignard@collabora.com> Organization: Collabora User-Agent: Evolution 3.38.2-1 MIME-Version: 1.0 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org SGkgQmVuamFtaW4sCgpPbiBXZWQsIDIwMjEtMDItMTcgYXQgMDk6MDIgKzAxMDAsIEJlbmphbWlu IEdhaWduYXJkIHdyb3RlOgo+IERlZmluZSBhbGxvY2F0aW9uIHJhbmdlIGZvciB0aGUgZGVmYXVs dCBDTUEgcmVnaW9uLgo+IAo+IFNpZ25lZC1vZmYtYnk6IEJlbmphbWluIEdhaWduYXJkIDxiZW5q YW1pbi5nYWlnbmFyZEBjb2xsYWJvcmEuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEV6ZXF1aWVsIEdh cmNpYSA8ZXplcXVpZWxAY29sbGFib3JhLmNvbT4KCkRlc3BpdGUgaXQgc2VlbXMgbGlrZSBJIHNp Z25lZC1vZmYgdGhpcyBvbmUuLi4KCj4gU2lnbmVkLW9mZi1ieTogQWRyaWFuIFJhdGl1IDxhZHJp YW4ucmF0aXVAY29sbGFib3JhLmNvbT4KPiAtLS0KPiDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvZnJl ZXNjYWxlL2lteDhtcS1ldmsuZHRzIHwgMTUgKysrKysrKysrKysrKysrCj4gwqAxIGZpbGUgY2hh bmdlZCwgMTUgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9hcmNoL2FybTY0L2Jvb3Qv ZHRzL2ZyZWVzY2FsZS9pbXg4bXEtZXZrLmR0cyBiL2FyY2gvYXJtNjQvYm9vdC9kdHMvZnJlZXNj YWxlL2lteDhtcS1ldmsuZHRzCj4gaW5kZXggODViMDQ1MjUzYTBlLi4wNDdkZmQ0YTFmZmQgMTAw NjQ0Cj4gLS0tIGEvYXJjaC9hcm02NC9ib290L2R0cy9mcmVlc2NhbGUvaW14OG1xLWV2ay5kdHMK PiArKysgYi9hcmNoL2FybTY0L2Jvb3QvZHRzL2ZyZWVzY2FsZS9pbXg4bXEtZXZrLmR0cwo+IEBA IC0yMSw2ICsyMSwyMSBAQCBtZW1vcnlANDAwMDAwMDAgewo+IMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgcmVnID0gPDB4MDAwMDAwMDAgMHg0MDAwMDAwMCAwIDB4YzAwMDAwMDA+Owo+ IMKgwqDCoMKgwqDCoMKgwqB9Owo+IAo+IMKgCj4gK8KgwqDCoMKgwqDCoMKgcmVzbWVtOiByZXNl cnZlZC1tZW1vcnkgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAjYWRkcmVzcy1j ZWxscyA9IDwyPjsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgI3NpemUtY2VsbHMg PSA8Mj47Cj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJhbmdlczsKPiArCj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoC8qIGdsb2JhbCBhdXRvY29uZmlndXJlZCByZWdp b24gZm9yIGNvbnRpZ3VvdXMgYWxsb2NhdGlvbnMgKi8KPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgbGludXgsY21hIHsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoGNvbXBhdGlibGUgPSAic2hhcmVkLWRtYS1wb29sIjsKPiArwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldXNhYmxlOwo+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgc2l6ZSA9IDwwIDB4M2MwMDAw MDA+Owo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgYWxs b2MtcmFuZ2VzID0gPDAgMHg0MDAwMDAwMCAwIDB4NDAwMDAwMDA+Owo+ICvCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgbGludXgsY21hLWRlZmF1bHQ7Cj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoH07CgouLi4gSSdtIG5vdCBhIGZhbiBvZiB0aGUg Y2hhbmdlIDopCgpIb3BlZnVsbHkgc29tZW9uZSBmcm9tIE5YUCBjYW4gcHJvdmlkZSBzb21lIGlu c2lnaHQgaGVyZT8KCklmIGl0J3MgYWJzb2x1dGVseSBuZWVkZWQgZm9yIHRoZSBWUFUsIHRoZW4g SSBndWVzcyBpdCBzaG91bGQKYmUgMSkgdmVyeSB3ZWxsIGRvY3VtZW50ZWQgYW5kIDIpIG1vdmVk IHRvIHRoZSB0b3AtbG92ZWwgZHRzaS4KCkJ1dCBpZiB3ZSBjYW4gZHJvcCBpdCwgdGhhdCdkIGJl IG5pY2VyLgoKVGhhbmtzLApFemVxdWllbAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4LXJvY2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1yb2Nr Y2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK 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=-13.7 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,UNPARSEABLE_RELAY, URIBL_BLOCKED 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 6C894C433DB for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgQmVuamFtaW4sCgpPbiBXZWQsIDIwMjEtMDItMTcgYXQgMDk6MDIgKzAxMDAsIEJlbmphbWlu IEdhaWduYXJkIHdyb3RlOgo+IERlZmluZSBhbGxvY2F0aW9uIHJhbmdlIGZvciB0aGUgZGVmYXVs dCBDTUEgcmVnaW9uLgo+IAo+IFNpZ25lZC1vZmYtYnk6IEJlbmphbWluIEdhaWduYXJkIDxiZW5q YW1pbi5nYWlnbmFyZEBjb2xsYWJvcmEuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEV6ZXF1aWVsIEdh cmNpYSA8ZXplcXVpZWxAY29sbGFib3JhLmNvbT4KCkRlc3BpdGUgaXQgc2VlbXMgbGlrZSBJIHNp Z25lZC1vZmYgdGhpcyBvbmUuLi4KCj4gU2lnbmVkLW9mZi1ieTogQWRyaWFuIFJhdGl1IDxhZHJp YW4ucmF0aXVAY29sbGFib3JhLmNvbT4KPiAtLS0KPiDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvZnJl ZXNjYWxlL2lteDhtcS1ldmsuZHRzIHwgMTUgKysrKysrKysrKysrKysrCj4gwqAxIGZpbGUgY2hh bmdlZCwgMTUgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9hcmNoL2FybTY0L2Jvb3Qv ZHRzL2ZyZWVzY2FsZS9pbXg4bXEtZXZrLmR0cyBiL2FyY2gvYXJtNjQvYm9vdC9kdHMvZnJlZXNj YWxlL2lteDhtcS1ldmsuZHRzCj4gaW5kZXggODViMDQ1MjUzYTBlLi4wNDdkZmQ0YTFmZmQgMTAw NjQ0Cj4gLS0tIGEvYXJjaC9hcm02NC9ib290L2R0cy9mcmVlc2NhbGUvaW14OG1xLWV2ay5kdHMK PiArKysgYi9hcmNoL2FybTY0L2Jvb3QvZHRzL2ZyZWVzY2FsZS9pbXg4bXEtZXZrLmR0cwo+IEBA IC0yMSw2ICsyMSwyMSBAQCBtZW1vcnlANDAwMDAwMDAgewo+IMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgcmVnID0gPDB4MDAwMDAwMDAgMHg0MDAwMDAwMCAwIDB4YzAwMDAwMDA+Owo+ IMKgwqDCoMKgwqDCoMKgwqB9Owo+IAo+IMKgCj4gK8KgwqDCoMKgwqDCoMKgcmVzbWVtOiByZXNl cnZlZC1tZW1vcnkgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAjYWRkcmVzcy1j ZWxscyA9IDwyPjsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgI3NpemUtY2VsbHMg PSA8Mj47Cj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJhbmdlczsKPiArCj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoC8qIGdsb2JhbCBhdXRvY29uZmlndXJlZCByZWdp b24gZm9yIGNvbnRpZ3VvdXMgYWxsb2NhdGlvbnMgKi8KPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgbGludXgsY21hIHsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoGNvbXBhdGlibGUgPSAic2hhcmVkLWRtYS1wb29sIjsKPiArwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldXNhYmxlOwo+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgc2l6ZSA9IDwwIDB4M2MwMDAw MDA+Owo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgYWxs b2MtcmFuZ2VzID0gPDAgMHg0MDAwMDAwMCAwIDB4NDAwMDAwMDA+Owo+ICvCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgbGludXgsY21hLWRlZmF1bHQ7Cj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoH07CgouLi4gSSdtIG5vdCBhIGZhbiBvZiB0aGUg Y2hhbmdlIDopCgpIb3BlZnVsbHkgc29tZW9uZSBmcm9tIE5YUCBjYW4gcHJvdmlkZSBzb21lIGlu c2lnaHQgaGVyZT8KCklmIGl0J3MgYWJzb2x1dGVseSBuZWVkZWQgZm9yIHRoZSBWUFUsIHRoZW4g SSBndWVzcyBpdCBzaG91bGQKYmUgMSkgdmVyeSB3ZWxsIGRvY3VtZW50ZWQgYW5kIDIpIG1vdmVk IHRvIHRoZSB0b3AtbG92ZWwgZHRzaS4KCkJ1dCBpZiB3ZSBjYW4gZHJvcCBpdCwgdGhhdCdkIGJl IG5pY2VyLgoKVGhhbmtzLApFemVxdWllbAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK