Attachment 81431 Details for Bug 66177 – set fan_mode and fan_duty at boot up

[patch] set fan_mode and fan_duty at boot up

kernel-nvidia-set-auto-fan-mode-at-boot.patch (text/plain), 2.17 KB, created by Mr-4 on 2013-06-25 22:32:02 UTC

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Creator: Mr-4

Created: 2013-06-25 22:32:02 UTC

Size: 2.17 KB

patch

obsolete

>--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
>+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
>@@ -46,6 +46,14 @@ 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, "Allow thermal fan mode changes (warning: dangerous!)");
>+static int nouveau_therm_fan_mode;
>+module_param_named(therm_fan_mode, nouveau_therm_fan_mode, int, 0400);
>+
>+MODULE_PARM_DESC(therm_fan_duty, "Allow thermal fan speed changes (warning: dangerous!)");
>+static int nouveau_therm_fan_duty;
>+module_param_named(therm_fan_duty, nouveau_therm_fan_duty, 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 +1040,7 @@ 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 +1138,43 @@ nouveau_pm_init(struct drm_device *dev)
> 	register_acpi_notifier(&pm->acpi_nb);
> #endif
> 
>+	if (nouveau_therm_fan_mode) {
>+		if (nouveau_perflvl_wr != 7777)
>+			return -EPERM;
>+
>+		if ((nouveau_therm_fan_mode == NOUVEAU_THERM_CTRL_AUTO &&
>+		    nouveau_therm_fan_duty > 0) ||
>+		    nouveau_therm_fan_mode > NOUVEAU_THERM_CTRL_AUTO ||
>+		    nouveau_therm_fan_mode < NOUVEAU_THERM_CTRL_NONE ||
>+		    nouveau_therm_fan_duty > 100 ||
>+		    nouveau_therm_fan_duty < 0 ||
>+		    (nouveau_therm_fan_mode == NOUVEAU_THERM_CTRL_MANUAL &&
>+		    nouveau_therm_fan_duty == 0))
>+			return -EINVAL;
>+
>+		switch(nouveau_therm_fan_mode) {
>+		case NOUVEAU_THERM_CTRL_AUTO: 
>+			ret = therm->attr_set(therm,
>+						NOUVEAU_THERM_ATTR_FAN_MODE,
>+						NOUVEAU_THERM_CTRL_AUTO);
>+			if (ret)
>+				return ret;
>+			break;
>+
>+		case NOUVEAU_THERM_CTRL_MANUAL:
>+			ret = therm->attr_set(therm,
>+						NOUVEAU_THERM_ATTR_FAN_MODE,
>+						NOUVEAU_THERM_CTRL_MANUAL);
>+			if (ret)
>+				return ret;
>+
>+			ret = therm->fan_set(therm, nouveau_therm_fan_duty);
>+
>+			if (ret)
>+				return ret;
>+		default: break;
>+		}
>+	}
> 	return 0;
> }
> 
>

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Attachments on bug 66177: 81430 | 81431 | 83879 | 83880 | 83881 | 83882 | 83883

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