drm/radeon: fix compilation with backlight disabled

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 23 insertions, 21 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index ecb7e3374a56..196d28d99570 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 
                         radeon_set_backlight_level(rdev, enc, req.backlight_level);
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
                         if (rdev->is_atom_bios) {
                                 struct radeon_encoder_atom_dig *dig = enc->enc_priv;
                                 backlight_force_update(dig->bl_dev,
@@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
                                 backlight_force_update(dig->bl_dev,
                                                        BACKLIGHT_UPDATE_HOTKEY);
                         }
+#endif
                 }
         }
         /* TODO: check other events */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 92487e614778..fb15b62ff984 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -269,27 +269,6 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
         .disable = radeon_legacy_encoder_disable,
 };
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
-static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
-{
-        struct radeon_backlight_privdata *pdata = bl_get_data(bd);
-        uint8_t level;
-
-        /* Convert brightness to hardware level */
-        if (bd->props.brightness < 0)
-                level = 0;
-        else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
-                level = RADEON_MAX_BL_LEVEL;
-        else
-                level = bd->props.brightness;
-
-        if (pdata->negative)
-                level = RADEON_MAX_BL_LEVEL - level;
-
-        return level;
-}
-
 u8
 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
 {
@@ -331,6 +310,27 @@ radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 leve
         radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
 }
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
+{
+        struct radeon_backlight_privdata *pdata = bl_get_data(bd);
+        uint8_t level;
+
+        /* Convert brightness to hardware level */
+        if (bd->props.brightness < 0)
+                level = 0;
+        else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
+                level = RADEON_MAX_BL_LEVEL;
+        else
+                level = bd->props.brightness;
+
+        if (pdata->negative)
+                level = RADEON_MAX_BL_LEVEL - level;
+
+        return level;
+}
+
 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
 {
         struct radeon_backlight_privdata *pdata = bl_get_data(bd);