Attachment 81291 Details for Bug 66022 – Allow "automatic" fan mode from the start

[patch] Allow "automatic" fan mode from the start

kernel-nvidia-set-auto-fan-mode-at-boot.patch (text/plain), 1.22 KB, created by Mr-4 on 2013-06-24 03:29:37 UTC

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Creator: Mr-4

Created: 2013-06-24 03:29:37 UTC

Size: 1.22 KB

patch

obsolete

>--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
>+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
>@@ -46,6 +46,10 @@ MODULE_PARM_DESC(perflvl_wr, "Allow perf
> static int nouveau_perflvl_wr;
> module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
> 
>+MODULE_PARM_DESC(therm_fan_mode_auto, "Allow thermal fan mode changes (warning: dangerous!)");
>+static int nouveau_therm_fan_mode_auto;
>+module_param_named(therm_fan_mode_auto, nouveau_therm_fan_mode_auto, int, 0400);
>+
> static int
> nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
> 		       struct nouveau_pm_level *a, struct nouveau_pm_level *b)
>@@ -1032,6 +1036,7 @@ nouveau_pm_init(struct drm_device *dev)
> {
> 	struct nouveau_device *device = nouveau_dev(dev);
> 	struct nouveau_drm *drm = nouveau_drm(dev);
>+	struct nouveau_therm *therm = nouveau_therm(drm->device);
> 	struct nouveau_pm *pm;
> 	char info[256];
> 	int ret, i;
>@@ -1129,6 +1134,15 @@ nouveau_pm_init(struct drm_device *dev)
> 	register_acpi_notifier(&pm->acpi_nb);
> #endif
> 
>+	if (nouveau_therm_fan_mode_auto) {
>+		if (nouveau_perflvl_wr != 7777)
>+			return -EPERM;
>+
>+		ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE,
>+					NOUVEAU_THERM_CTRL_AUTO);
>+		if (ret)
>+			return ret;
>+	}
> 	return 0;
> }
> 
>

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Attachments on bug 66022: 81189 | 81291

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