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Fri, 14 Feb 2025 03:46:22 -0800 (PST) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com ([176.200.207.55]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dece2867a1sm2785805a12.66.2025.02.14.03.46.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2025 03:46:22 -0800 (PST) From: Dario Binacchi To: buildroot@buildroot.org Cc: Christophe Priouzeau , linux-amarula@amarulasolutions.com, Dario Binacchi Date: Fri, 14 Feb 2025 12:46:12 +0100 Message-ID: <20250214114612.3682462-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1739533583; x=1740138383; darn=buildroot.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Q25VqvtmTplUIrk4w0Zb53VeFqL8BLvVonKiihz80vI=; b=aTDhu1O9autZdsDliudmrKc7BB4Vc/h9CAG/n5K+VzJ25W9jyOQsO45rUhUXW+aso4 noJyDaVm7PoP7ChpSmCt+PrIdyaPydXPQSmowaNPddv0bwSInx29mKFM9HdJWol+sweT 0YdQM3szfeB9SGevru3tawWwlsD1ZmiNPh6lM= X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key, unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.a=rsa-sha256 header.s=google header.b=aTDhu1O9 Subject: [Buildroot] [PATCH 1/1] board/stm32f469-disco: speed up U-Boot bootup X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Updating the framebuffer takes quite a long time on this slow platform. The added patch allow to avoid the following cyclic warning: cyclic function video_init took too long: 46784us vs 5000us max Signed-off-by: Dario Binacchi --- ...9-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 board/stmicroelectronics/stm32f469-disco/patches/uboot/0001-configs-stm32f469-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch diff --git a/board/stmicroelectronics/stm32f469-disco/patches/uboot/0001-configs-stm32f469-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch b/board/stmicroelectronics/stm32f469-disco/patches/uboot/0001-configs-stm32f469-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch new file mode 100644 index 000000000000..c9e331256229 --- /dev/null +++ b/board/stmicroelectronics/stm32f469-disco/patches/uboot/0001-configs-stm32f469-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch @@ -0,0 +1,35 @@ +From 2a903b0141b99bb41756d01a0a1a5463e2c4f365 Mon Sep 17 00:00:00 2001 +From: Patrice Chotard +Date: Wed, 11 Dec 2024 09:09:36 +0100 +Subject: [PATCH] configs: stm32f469-disco: Set CYCLIC_MAX_CPU_TIME_US to 50000 + for stm32f469-disco + +Updating the framebuffer takes quite a long time on this slow patform, +set CYCLIC_MAX_CPU_TIME_US to 50000 for stm32f469-disco to avoid +following cyclic warning: + +"cyclic function video_init took too long: 46784us vs 5000us max" + +Signed-off-by: Patrice Chotard +Reviewed-by: Patrick Delaunay +Upstream: https://gitlab.com/u-boot/u-boot/-/commit/2a903b0141b99bb41756d01a0a1a5463e2c4f365 +Signed-off-by: Dario Binacchi +--- + configs/stm32f469-discovery_defconfig | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/configs/stm32f469-discovery_defconfig b/configs/stm32f469-discovery_defconfig +index 98399416fa57..b0144763d376 100644 +--- a/configs/stm32f469-discovery_defconfig ++++ b/configs/stm32f469-discovery_defconfig +@@ -14,6 +14,7 @@ CONFIG_DISTRO_DEFAULTS=y + CONFIG_BOOTDELAY=3 + CONFIG_SYS_PBSIZE=1050 + # CONFIG_DISPLAY_CPUINFO is not set ++CONFIG_CYCLIC_MAX_CPU_TIME_US=50000 + CONFIG_MISC_INIT_R=y + CONFIG_SYS_PROMPT="U-Boot > " + CONFIG_CMD_IMLS=y +-- +2.43.0 +