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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4CEA0C74A5B for ; Fri, 17 Mar 2023 18:16:30 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 99FA185927; Fri, 17 Mar 2023 19:16:27 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=xs4all.nl Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; secure) header.d=xs4all.nl header.i=@xs4all.nl header.b="mT54duiO"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id EBBFA8596B; Fri, 17 Mar 2023 19:16:25 +0100 (CET) Received: from ewsoutbound.kpnmail.nl (ewsoutbound.kpnmail.nl [195.121.94.186]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id EF02485900 for ; Fri, 17 Mar 2023 19:16:22 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=xs4all.nl Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=mark.kettenis@xs4all.nl X-KPN-MessageId: d1d8b05e-c4ef-11ed-be37-00505699b430 Received: from smtp.kpnmail.nl (unknown [10.31.155.6]) by ewsoutbound.so.kpn.org (Halon) with ESMTPS id d1d8b05e-c4ef-11ed-be37-00505699b430; Fri, 17 Mar 2023 19:16:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=xs4all01; h=subject:to:from:message-id:date; bh=55KbbKD2gXs4aeTUF2A0KaNF85zYxnlhGx4Ru27rQbs=; b=mT54duiOwS43rKl55teNP0qTP46oCdAYnQBtZn5JRWhdQ4EnhKcsBAIwsBEGKIeXHIZx3iRO2NzaM TcOdVpZuB8/ziV//sZ69I8TqEyELTBRiogtni+2bcptmMIKv5g+iQk/yh+RVOuT7Y4k8kbdN900lyo J2ff02ENt592ZiaEpot+oKhk5nIE33H6sWpxkn0asZdH2ZeCBmFL9wlmxSn71MutZG0sXm9D616Dzt TC2itvKR4fvJwLM7gyoqYCIg18MWn/INpcegEq9LTLvVNXk5eq1vk3qY3RZ5VbkqSvzvB1v05Iou0n /J21dnOzeUNBSf8DNPtMsrMJS2jkUDg== X-KPN-MID: 33|uoFxgLNQiKL2cKfenoQtw0oPhtK6vpajsn3nRJM5RlisnlT7zlZUkwZCwdSX9IO w9U+OVLoC9TTj0+JJ16sprsrMAfd2Z2UPqy8MMJKbkgQ= X-KPN-VerifiedSender: Yes X-CMASSUN: 33|7MeAy4TQZw3OLzHrl2sXbafOGJrHFZuaR0bUopIHwEbaYvc+BTgth6zO8LNWmGq +XoV4MtjlOTu5oyFpuTn60w== X-Originating-IP: 80.61.163.207 Received: from bloch.sibelius.xs4all.nl (80-61-163-207.fixed.kpn.net [80.61.163.207]) by smtp.xs4all.nl (Halon) with ESMTPSA id d1ecd499-c4ef-11ed-87f0-00505699772e; Fri, 17 Mar 2023 19:16:22 +0100 (CET) Date: Fri, 17 Mar 2023 19:16:21 +0100 Message-Id: <875yazb5vu.fsf@bloch.sibelius.xs4all.nl> From: Mark Kettenis To: Tom Rini Cc: j@jannau.net, u-boot@lists.denx.de In-Reply-To: <20230317164316.GZ54321@bill-the-cat> (message from Tom Rini on Fri, 17 Mar 2023 12:43:16 -0400) Subject: Re: [PATCH] apple_m1_defconfig: Bump CONFIG_LMB_MAX_REGIONS to 64 References: <20230313-apple_m1_defconfig_lmb_max_regions-v1-1-d2eac7bcfd20@jannau.net> <87v8j4bu4b.fsf@bloch.sibelius.xs4all.nl> <20230317164316.GZ54321@bill-the-cat> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean > Date: Fri, 17 Mar 2023 12:43:16 -0400 > From: Tom Rini > > On Mon, Mar 13, 2023 at 03:31:32PM +0100, Mark Kettenis wrote: > > > From: Janne Grunau > > > Date: Mon, 13 Mar 2023 14:54:32 +0100 > > > > > > Apple silicon SoCs have numerous embedded co-processors with pre-loaded > > > firmware. The co-processors text and data sections need to be mapped via > > > DART iommus controlled by the main processor. Those sections are > > > exported as reserved-memory. Bump CONFIG_LMB_MAX_REGIONS from 8 to 64 to > > > deal with the large amount of reserved-memory regions. > > > > We recently bumped the default for CONFIG_LMB_MAX_REGIONS from 8 to > > 16, but 64 would be a safer value for this platform as there are more > > co-processor drivers in the pipeline that may add reserved-memory > > regions. These machines have plenty of memory. > > > > > Signed-off-by: Janne Grunau > > > > Reviewed-by: Mark Kettenis > > Does this mean it's a fix we need for v2023.04, or v2023.07 is OK? 2023.07 is ok