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Thu, 8 Oct 2026 12:06:41 +0200 From: Thorsten Schmelzer To: CC: Subject: [meta-oe][PATCH 2/5] lvgl: Update defconfig Date: Thu, 8 Oct 2026 12:06:23 +0200 Message-ID: <20261008100626.2259941-3-t.schmelzer@phytec.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261008100626.2259941-1-t.schmelzer@phytec.de> References: <20261008100626.2259941-1-t.schmelzer@phytec.de> MIME-Version: 1.0 X-Originating-IP: [172.25.0.51] X-ClientProxiedBy: Postix.phytec.de (172.25.0.11) To Postix.phytec.de (172.25.0.11) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MAD0EPF000008BA:EE_|MI9P195MB976633:EE_ X-MS-Office365-Filtering-Correlation-Id: 0dc23c22-2007-4887-8205-08df2523dadb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|23010399003|36860700016|376014|42112799006|11063799006|10067099003|56012099006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: YGNFq/dZ50jcAtCBRMLEpuZBL8z4xPyyoju9yGn5XgDy56nRUryEadL/ouk7adTn8l4y8nqYqFlfN+wvSOX0mLITPuSF4aZDanY6jp4Jzg3IfVcHjjv25sL7yjDZrYUkwm8Z7u6mdmJ6/Bst6VakJUKNgda+ZvxcM2O/Cs++f7tiUR3JDXBlmXffYcSspqEG1OwfHu+VShF/RCMZY0EbIm9Xmce8gs5BHB9KRrWDFS70cx4MClX5P327vr0lfo+ImhPx5bspjVqZCT5TP9L67pUw0i2UIuPx65e7wBcSuRwPh3NXI3qZr5XVIPO2w3QRJJ+x5+oCkYnPGVqiJlihPJsqcNRf90o71LbEynRG7utuwxNJpUzmK6UWyI9Sajq1SKUT3FBObmAklc4gWR1Mrm7VxT+X+PaG/dbl/xgh2OM5iignQmu32VKWEsklnrmEeXAuxqv+puqB9fviD08PVWca+TcAu9jotgwPGIXaZSHbHEq2reWhfIQ+qViVjs02QK9uM89Jnq69aVCbjwGdCLERFSDdtonxMIxlCXZRImsBxB511J7EGVUTu/kxtvO6dq0OUM2uwzON4aUMMehJGuIYVbbuLxavaW0rEhrNUVzUNQnvC+DG90dXZKr3xvLDdd6h6y+ZDXrG1sMYUU/7OiWxVTBuRu6qo4fFQ2eu9bZTWW4kxrp+Hu3863/qvxWNead4Qh23GWWWseuuoc727g== X-Forefront-Antispam-Report: CIP:91.26.50.189;CTRY:DE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:Postix.phytec.de;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(23010399003)(36860700016)(376014)(42112799006)(11063799006)(10067099003)(56012099006)(22082099003)(18002099003);DIR:OUT;SFP:1102; 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Thu, 08 Oct 2026 10:06:56 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/130664 Update the defconfig to use Linux default settings. Settings are taken from the linux.defconfig from the source repository. This includes the following changes: - use libc based malloc, string, sprintf. Using libc based memory allocation eliminates the risk that the lvgl application runs out of memory because of fixed internal memory size. - use OS based pthread implementation - set refresh period to 16 ms (60 FPS max) - increase LV_DRAW_LAYER_SIMPLE_BUF_SIZE and CONFIG_LV_DRAW_THREAD_STACK_SIZE Signed-off-by: Thorsten Schmelzer --- meta-oe/recipes-graphics/lvgl/files/defconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/meta-oe/recipes-graphics/lvgl/files/defconfig b/meta-oe/recipes-graphics/lvgl/files/defconfig index 088b2369e957..3d0260f1f451 100644 --- a/meta-oe/recipes-graphics/lvgl/files/defconfig +++ b/meta-oe/recipes-graphics/lvgl/files/defconfig @@ -1,3 +1,10 @@ +CONFIG_LV_USE_CLIB_MALLOC=y +CONFIG_LV_USE_CLIB_STRING=y +CONFIG_LV_USE_CLIB_SPRINTF=y +CONFIG_LV_OS_PTHREAD=y CONFIG_LV_COLOR_DEPTH_32=y +CONFIG_LV_DEF_REFR_PERIOD=16 +CONFIG_LV_DRAW_LAYER_SIMPLE_BUF_SIZE=262144 +CONFIG_LV_DRAW_THREAD_STACK_SIZE=65536 # CONFIG_LV_BUILD_EXAMPLES is not set # CONFIG_LV_BUILD_DEMOS is not set