ACPI: thermal: set "thermal.nocrt" via DMI on Gigabyte GA-7ZX

This system BIOS sets a critical temperature to 65C,
which is too low.

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=155496

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 4c420fe..39479b0 100644 (file)
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -89,7 +89,7 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.");
 
 static int nocrt;
 module_param(nocrt, int, 0);
-MODULE_PARM_DESC(nocrt, "Set to disable action on ACPI thermal zone critical and hot trips.");
+MODULE_PARM_DESC(nocrt, "Set to take no action upon ACPI thermal zone critical trips points.");
 
 static int off;
 module_param(off, int, 0);
@@ -1357,6 +1357,13 @@ static int thermal_act(struct dmi_system_id *d) {
        }
        return 0;
 }
+static int thermal_nocrt(struct dmi_system_id *d) {
+
+       printk(KERN_NOTICE "ACPI: %s detected: "
+               "disabling all critical thermal trip point actions.\n", d->ident);
+       nocrt = 1;
+       return 0;
+}
 static int thermal_tzp(struct dmi_system_id *d) {
 
        if (tzp == 0) {
@@ -1405,6 +1412,14 @@ static struct dmi_system_id thermal_dmi_table[] __initdata = {
                DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"),
                },
        },
+       {
+        .callback = thermal_nocrt,
+        .ident = "Gigabyte GA-7ZX",
+        .matches = {
+               DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
+               DMI_MATCH(DMI_BOARD_NAME, "7ZX"),
+               },
+       },
        {}
 };
 #endif /* CONFIG_DMI */