diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/extdev.c b/drivers/gpu/drm/nouveau/core/subdev/bios/extdev.c
index 5afb568..b2a676e 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/extdev.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/extdev.c
@@ -48,7 +48,7 @@
 	return extdev + *hdr;
 }
 
-u16
+static u16
 nvbios_extdev_entry(struct nouveau_bios *bios, int idx, u8 *ver, u8 *len)
 {
 	u8 hdr, cnt;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c b/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c
index b7916a5..22a2057 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c
@@ -55,7 +55,7 @@
 	return therm + nv_ro08(bios, therm + 1);
 }
 
-u16
+static u16
 nvbios_therm_entry(struct nouveau_bios *bios, int idx, u8 *ver, u8 *len)
 {
 	u8 hdr, cnt;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bus/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/bus/nv04.c
index 0c224e3..8c7f805 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bus/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bus/nv04.c
@@ -29,7 +29,7 @@
 	struct nouveau_bus base;
 };
 
-void
+static void
 nv04_bus_intr(struct nouveau_subdev *subdev)
 {
 	struct nouveau_bus *pbus = nouveau_bus(subdev);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
index ddb23dc..b179655 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
@@ -175,7 +175,7 @@
 	return nouveau_therm_fan_set(therm, true, percent);
 }
 
-void
+static void
 nouveau_therm_fan_set_defaults(struct nouveau_therm *therm)
 {
 	struct nouveau_therm_priv *priv = (void *)therm;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c
index 82f0432..b78c182 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c
@@ -30,7 +30,7 @@
 	return -ENODEV;
 }
 
-int
+static int
 nouveau_fannil_set(struct nouveau_therm *therm, int percent)
 {
 	return -ENODEV;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
index e0693e0..e601773 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
@@ -81,7 +81,7 @@
 	return priv->percent;
 }
 
-int
+static int
 nouveau_fantog_set(struct nouveau_therm *therm, int percent)
 {
 	struct nouveau_therm_priv *tpriv = (void *)therm;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
index 5c17577..accc628 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
@@ -80,7 +80,7 @@
 	return core_temp;
 }
 
-int
+static int
 nv40_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable)
 {
 	u32 mask = enable ? 0x80000000 : 0x0000000;
@@ -93,7 +93,7 @@
 	return 0;
 }
 
-int
+static int
 nv40_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
 {
 	if (line == 2) {
@@ -119,7 +119,7 @@
 	return -EINVAL;
 }
 
-int
+static int
 nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
 {
 	if (line == 2) {