From patchwork Fri Jan 6 11:18:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 711881 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3tw2vs0F34z9t0q for ; Fri, 6 Jan 2017 22:51:53 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=verge.net.au header.i=@verge.net.au header.b="S13xtf86"; dkim-atps=neutral Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cPT3j-0007NH-EI; Fri, 06 Jan 2017 11:51:47 +0000 Received: from kirsty.vergenet.net ([202.4.237.240]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cPSZ9-0004ft-RX for linux-arm-kernel@lists.infradead.org; Fri, 06 Jan 2017 11:20:15 +0000 Received: from penelope.kanocho.kobe.vergenet.net (unknown [217.111.208.18]) by kirsty.vergenet.net (Postfix) with ESMTPSA id 30CB825BEDB; Fri, 6 Jan 2017 22:18:16 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1483701496; bh=aslN5f53LDKcWBp/iYCmnjBHhggVQccX0BS1jGf/TLA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S13xtf86+QyWX1LhyxFWVj+fAHC76uvXm3VIDwdfGEzfWS6lNScue5yCMnY7J5cdm L6kqvaHDjlNnks/+LpoxvfJC9Au5E6iCi5C4lVhWYTCEBrGk2ULr/Nb+j+tluz6nia OSX5Anvu89RH8K5z8PwGqinNJ7qurj2FTVp6wiG0= Received: by penelope.kanocho.kobe.vergenet.net (Postfix, from userid 7100) id B587E63044; Fri, 6 Jan 2017 12:18:12 +0100 (CET) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Subject: [PATCH 2/4] ARM: shmobile: defconfig: Enable CMA for DMA Date: Fri, 6 Jan 2017 12:18:10 +0100 Message-Id: <77af670a7698bbc4dc9fd8bbd553b33bfb16b68a.1483701293.git.horms+renesas@verge.net.au> X-Mailer: git-send-email 2.7.0.rc3.207.g0ac5344 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170106_032012_329456_01CBF5F5 X-CRM114-Status: UNSURE ( 9.33 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.5 (-------) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-7.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [202.4.237.240 listed in list.dnswl.org] 0.0 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different -3.2 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Simon Horman , =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Magnus Damm , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org From: Niklas Söderlund To be able to use VIN with larger frame sizes CMA memory are needed for DMA. If this is not enabled trying to capture large frames can result in errors such as: rcar-vin e6ef0000.video: dma_alloc_coherent of size 8388608 failed A CMA area of 64MB are needed for v4l2-compliance to pass on all formats on the largest possible frame size of 2048x2048. Signed-off-by: Niklas Söderlund Signed-off-by: Simon Horman --- arch/arm/configs/shmobile_defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig index 98e9ce66740d..b66e17aec058 100644 --- a/arch/arm/configs/shmobile_defconfig +++ b/arch/arm/configs/shmobile_defconfig @@ -33,6 +33,7 @@ CONFIG_HAVE_ARM_ARCH_TIMER=y CONFIG_NR_CPUS=8 CONFIG_AEABI=y CONFIG_HIGHMEM=y +CONFIG_CMA=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y @@ -58,6 +59,8 @@ CONFIG_CAN_RCAR=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y +CONFIG_DMA_CMA=y +CONFIG_CMA_SIZE_MBYTES=64 CONFIG_SIMPLE_PM_BUS=y CONFIG_MTD=y CONFIG_MTD_BLOCK=y