diff options
| author | Francesco Dolcini <francesco.dolcini@toradex.com> | 2022-08-30 17:21:57 +0200 |
|---|---|---|
| committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2022-08-30 17:21:57 +0200 |
| commit | ac0cf193804c32ec93291f193fe36c04aa649084 (patch) | |
| tree | e647b0864e93cf929e084677e2a3d8bf78cf2532 /recipes-kernel | |
| parent | e6833972f20c741eb0d8a63f79faa1fd00f98a4e (diff) | |
linux-toradex-mainline: Add patch to change imx temp threshold
Add a patch to set the critical temperature threshold to the SoC max
value.
The patch was denied upstream [1] as any other patch trying to solve the
same problem in a configurable way [2], [3].
[1] https://lore.kernel.org/all/20220420091300.179753-1-francesco.dolcini@toradex.com/
[2] https://lore.kernel.org/all/20220516190001.147919-1-francesco.dolcini@toradex.com/
[3] https://lore.kernel.org/all/20220617070847.186876-1-francesco.dolcini@toradex.com/
Related-to: ELB-4686
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Diffstat (limited to 'recipes-kernel')
| -rw-r--r-- | recipes-kernel/linux/linux-toradex-mainline-git/0001-thermal-imx-Update-critical-temp-threshold.patch | 39 | ||||
| -rw-r--r-- | recipes-kernel/linux/linux-toradex-mainline_git.bb | 4 |
2 files changed, 43 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-mainline-git/0001-thermal-imx-Update-critical-temp-threshold.patch b/recipes-kernel/linux/linux-toradex-mainline-git/0001-thermal-imx-Update-critical-temp-threshold.patch new file mode 100644 index 0000000..3fbd5e3 --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-mainline-git/0001-thermal-imx-Update-critical-temp-threshold.patch @@ -0,0 +1,39 @@ +From 509dccde2a1cc4ac7d5099ca7aea9ec05c6f7e4f Mon Sep 17 00:00:00 2001 +From: Francesco Dolcini <francesco.dolcini@toradex.com> +Date: Wed, 20 Apr 2022 11:13:00 +0200 +Subject: [PATCH] thermal: imx: Update critical temp threshold + +Increase the critical temperature threshold to the datasheet defined +value according to the temperature grade of the SoC, increasing the +actual critical temperature value of 5 degrees. + +Without this change the emergency shutdown will trigger earlier then +required affecting applications that are expected to be working on this +close to the limit, but yet valid, temperature range. + +Upstream-Status: Denied [https://lore.kernel.org/all/20220420091300.179753-1-francesco.dolcini@toradex.com/] +Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> +--- + drivers/thermal/imx_thermal.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c +index 16663373b682..75a631a23e61 100644 +--- a/drivers/thermal/imx_thermal.c ++++ b/drivers/thermal/imx_thermal.c +@@ -504,10 +504,10 @@ static void imx_init_temp_grade(struct platform_device *pdev, u32 ocotp_mem0) + } + + /* +- * Set the critical trip point at 5 °C under max ++ * Set the critical trip point at max + * Set the passive trip point at 10 °C under max (changeable via sysfs) + */ +- data->temp_critical = data->temp_max - (1000 * 5); ++ data->temp_critical = data->temp_max; + data->temp_passive = data->temp_max - (1000 * 10); + } + +-- +2.25.1 + diff --git a/recipes-kernel/linux/linux-toradex-mainline_git.bb b/recipes-kernel/linux/linux-toradex-mainline_git.bb index f4e14db..b876381 100644 --- a/recipes-kernel/linux/linux-toradex-mainline_git.bb +++ b/recipes-kernel/linux/linux-toradex-mainline_git.bb @@ -26,6 +26,10 @@ SRC_URI = " \ file://defconfig \ " +SRC_URI:append = " \ + file://0001-thermal-imx-Update-critical-temp-threshold.patch \ +" + LINUX_VERSION ?= "5.19.1" LINUX_VERSION:use-head-next ?= "5.19" KBRANCH = "master" |