diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index 4f0754b8c0b0..77a5d167c508 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -39,19 +39,6 @@
 #define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
 #define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
 
-static void cdv_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
-	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    gma_lvds_get_max_backlight(dev);
-
-	gma_lvds_set_power(dev, true);
-}
-
 static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder,
 				struct drm_display_mode *mode,
 				struct drm_display_mode *adjusted_mode)
@@ -191,7 +178,7 @@ static const struct drm_encoder_helper_funcs
 	.mode_fixup = gma_lvds_mode_fixup,
 	.prepare = gma_lvds_prepare,
 	.mode_set = cdv_intel_lvds_mode_set,
-	.commit = cdv_intel_lvds_commit,
+	.commit = gma_lvds_commit,
 };
 
 static const struct drm_connector_helper_funcs
diff --git a/drivers/gpu/drm/gma500/gma_lvds.c b/drivers/gpu/drm/gma500/gma_lvds.c
index d0a97eeac38b..6364d3aef064 100644
--- a/drivers/gpu/drm/gma500/gma_lvds.c
+++ b/drivers/gpu/drm/gma500/gma_lvds.c
@@ -62,7 +62,7 @@ static void gma_lvds_set_backlight(struct drm_device *dev, int level)
 /*
  * Sets the power state for the panel.
  */
-void gma_lvds_set_power(struct drm_device *dev, bool on)
+static void gma_lvds_set_power(struct drm_device *dev, bool on)
 {
 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
 	u32 pp_status;
@@ -286,3 +286,16 @@ void gma_lvds_prepare(struct drm_encoder *encoder)
 	gma_power_end(dev);
 }
 
+void gma_lvds_commit(struct drm_encoder *encoder)
+{
+	struct drm_device *dev = encoder->dev;
+	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
+	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+	if (mode_dev->backlight_duty_cycle == 0)
+		mode_dev->backlight_duty_cycle =
+		    gma_lvds_get_max_backlight(dev);
+
+	gma_lvds_set_power(dev, true);
+}
+
diff --git a/drivers/gpu/drm/gma500/gma_lvds.h b/drivers/gpu/drm/gma500/gma_lvds.h
index c1a7b3611d27..c2c8fe5b5aac 100644
--- a/drivers/gpu/drm/gma500/gma_lvds.h
+++ b/drivers/gpu/drm/gma500/gma_lvds.h
@@ -24,7 +24,6 @@ struct gma_lvds_priv {
 };
 
 u32 gma_lvds_get_max_backlight(struct drm_device *dev);
-void gma_lvds_set_power(struct drm_device *dev, bool on);
 enum drm_mode_status gma_lvds_mode_valid(struct drm_connector *connector,
 					 struct drm_display_mode *mode);
 void gma_lvds_encoder_dpms(struct drm_encoder *encoder, int mode);
@@ -34,5 +33,6 @@ bool gma_lvds_mode_fixup(struct drm_encoder *encoder,
 			 const struct drm_display_mode *mode,
 			 struct drm_display_mode *adjusted_mode);
 void gma_lvds_prepare(struct drm_encoder *encoder);
+void gma_lvds_commit(struct drm_encoder *encoder);
 
 #endif
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index dba0ca4b73a0..85cab0f7028a 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -105,23 +105,12 @@ static void oaktrail_lvds_mode_set(struct drm_encoder *encoder,
 	gma_power_end(dev);
 }
 
-static void oaktrail_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
-	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle = gma_lvds_get_max_backlight(dev);
-	gma_lvds_set_power(dev, true);
-}
-
 static const struct drm_encoder_helper_funcs oaktrail_lvds_helper_funcs = {
 	.dpms = gma_lvds_encoder_dpms,
 	.mode_fixup = gma_lvds_mode_fixup,
 	.prepare = gma_lvds_prepare,
 	.mode_set = oaktrail_lvds_mode_set,
-	.commit = oaktrail_lvds_commit,
+	.commit = gma_lvds_commit,
 };
 
 /* Returns the panel fixed mode from configuration. */
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index e4258205a262..fbb72be6e017 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -132,19 +132,6 @@ void psb_intel_lvds_set_brightness(struct drm_device *dev, int level)
 		psb_lvds_pwm_set_brightness(dev, level);
 }
 
-static void psb_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
-	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    gma_lvds_get_max_backlight(dev);
-
-	gma_lvds_set_power(dev, true);
-}
-
 static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
 				struct drm_display_mode *mode,
 				struct drm_display_mode *adjusted_mode)
@@ -287,7 +274,7 @@ static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = {
 	.mode_fixup = gma_lvds_mode_fixup,
 	.prepare = gma_lvds_prepare,
 	.mode_set = psb_intel_lvds_mode_set,
-	.commit = psb_intel_lvds_commit,
+	.commit = gma_lvds_commit,
 };
 
 const struct drm_connector_helper_funcs
