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[109.49.46.234]) by smtp.gmail.com with ESMTPSA id v66sm5220937wmd.41.2018.04.19.03.18.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Apr 2018 03:18:50 -0700 (PDT) From: Rui Miguel Silva To: mchehab@kernel.org, sakari.ailus@linux.intel.com, Steve Longerbeam , Philipp Zabel , Rob Herring Cc: linux-media@vger.kernel.org, devel@driverdev.osuosl.org, Shawn Guo , Fabio Estevam , devicetree@vger.kernel.org, Greg Kroah-Hartman , Ryan Harkin , Rui Miguel Silva Subject: [PATCH 08/15] ARM: dts: increase default cma size to 40MB Date: Thu, 19 Apr 2018 11:18:05 +0100 Message-Id: <20180419101812.30688-9-rui.silva@linaro.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180419101812.30688-1-rui.silva@linaro.org> References: <20180419101812.30688-1-rui.silva@linaro.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org To support camera in i.MX7 the cma heap is used to allocate frame buffers. The default size of CMA is 16MB which is not enough for higher resolutions (ex: 1600x1200). So, increase the default CMA size to 40MB. Signed-off-by: Rui Miguel Silva --- arch/arm/boot/dts/imx7s.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) -- 2.17.0 diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 4d42335c0dee..142ea709d296 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -182,6 +182,20 @@ ; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* global autoconfigured region for contiguous allocations */ + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x2800000>; + linux,cma-default; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>;