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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2F359C5472D for ; Wed, 28 Aug 2024 07:53:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=o/dgLyC7mY4Z5ZSkBhiWo3QczPmuWbYX1lDKIXDvn6s=; b=PgF69eeOiCSpsPLa8ozPx/+VlJ 47rw3PBwnptRhcZUByA5U07S4AOr5n+Dnfugx4FZolxXR9HY4rtl9RI6UTbMVjcW3ZSD2h8oMwXZc ow/aYKoI/h8TcbMKWJv/uNLhGmeZrpCmdMJPVcEGxJ29s3riPn8/BzWybEqy7mNElCrkbb2G8CmQf Old+ePjY6x0qmor1S76MKdzw0pqYnVUg24c/59Ckt8zuLkPD8AFE5vwSz5/xPI3LbxMAKYUx84i/k KCPsvwsr4VCgcboEnt32BXMG3Lbbyc8M5DNFTs6s7aY6sAWAfJpRhsmEAe/u7mF4UhRJGgj6N3Tkr KmS8460w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjDUN-0000000EOTk-12tw; Wed, 28 Aug 2024 07:53:11 +0000 Received: from mx1.tq-group.com ([93.104.207.81]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjDR3-0000000ENad-2jtJ for linux-arm-kernel@lists.infradead.org; Wed, 28 Aug 2024 07:49:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1724831386; x=1756367386; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o/dgLyC7mY4Z5ZSkBhiWo3QczPmuWbYX1lDKIXDvn6s=; b=GWtrlLW4s9lr5ayzi+fzdjfTGnOWCGi3vgmc7lcBU5f9PbDbbkwVMyXr o5OsYR+2h5hSFTaHhgEuekcVRBudhQtMTOl6dF99rQpF9PVGW+LU/bNch 6Yjk7mss/o2O3twdcRqKYvwBoEe1nHRI61g+lCDL12Vy400y/12J53xOL kLh/CkczW0MBgrt0z0ykD1/TL40qYQri2M99oGiHCR+AF7sX6Y92uioVk fHxlwIockyvEb++EbwhqaUAmBwLAPImT1coAe6GupK4kSnAwthWf0KVLa rrGKHuYCbC3UENKDVBUqptp1DNb0q/DZf0sglilMAeDcq/FyBl6OAQ6qT Q==; X-CSE-ConnectionGUID: zcQljSgiTC+xTllxrQPQSA== X-CSE-MsgGUID: XI7VxYhET8OWizceL+T+/A== X-IronPort-AV: E=Sophos;i="6.10,182,1719871200"; d="scan'208";a="38627529" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 28 Aug 2024 09:49:42 +0200 X-CheckPoint: {66CED695-2A-22BB8E18-F5F6D0B4} X-MAIL-CPID: D2B6D901E25C8B78085EF8CCF03AB4BC_5 X-Control-Analysis: str=0001.0A782F1E.66CED696.0072,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B9FBD169E7B; Wed, 28 Aug 2024 09:49:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1724831377; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=o/dgLyC7mY4Z5ZSkBhiWo3QczPmuWbYX1lDKIXDvn6s=; b=MkpGsK4/qgFIErJorzcI/O8lEPRTQVC3e6Ue7BmxnYHfPebKZb+yaofpHJbL7fAHBb4dyq kSNdEBq9H2t3vC7pht715ON3uDnkFFUbB9O/hoPJW4k+Jw5YVBHQurjVTBMlLBznpOcSTV pAVk9sN9+GTOIuaOf6NZv3lum82HI0BpfUu7MzgIDLd6zWfKh29t/4orUWynbZrUYhbC0M rRt7F5MnSX7rQi1NhcK77cdVilHdJbv+u1uZbsRMuYjt3GA/tQF6vJhqvMpoJgWDPwf/DB 9euwkZVjWzzbIlr59LVopmH4aUGzh84i8wp0cVv3MtFKZS/USAb3KkiWr9oJbA== From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] ARM: dts: imx6qdl: Add reserved memory area for CMA memory Date: Wed, 28 Aug 2024 09:49:36 +0200 Message-ID: <10526262.nUPlyArG6x@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20240827142458.265558-1-alexander.stein@ew.tq-group.com> References: <20240827142458.265558-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240828_004946_286774_AD45E14E X-CRM114-Status: GOOD ( 13.80 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Dienstag, 27. August 2024, 16:24:58 CEST schrieb Alexander Stein: > Default CMA size is too small for HDMI output and VPU usage. Increase the > default size by providing a CMA memory area. >=20 > Signed-off-by: Alexander Stein > --- > Smallest RAM variant has 512MiB. >=20 > arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) >=20 > diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi b/arch/arm/boot/= dts/nxp/imx/imx6qdl-mba6.dtsi > index d03f7065ddfd7..8ba3ec27bee07 100644 > --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi > +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi > @@ -106,6 +106,20 @@ reg_vcc3v3_audio: regulator-vcc3v3-audio { > vin-supply =3D <®_mba6_3p3v>; > }; > =20 > + reserved-memory { > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + ranges; > + > + linux,cma { > + compatible =3D "shared-dma-pool"; > + reusable; > + size =3D <0x14000000>; > + alloc-ranges =3D <0x10000000 0x20000000>; > + linux,cma-default; > + }; > + }; > + Please do not merge yet. I just noticed that this breaks mmap'ed fbdev usage. It only works when CMA area is in HighMem. Best regards, Alexander > sound { > compatible =3D "fsl,imx-audio-tlv320aic32x4"; > pinctrl-names =3D "default"; >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/