drm/i915: Don't hide function calls with side effects

Hiding a function call with side effects inside the
variable declaration block is a bit rude. Make it
stand out more.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230214134739.25077-2-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_backlight.c

@@ -1614,8 +1614,9 @@ static void intel_pwm_disable_backlight(const struct drm_connector_state *conn_s
 static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe)
 {
 	struct intel_panel *panel = &connector->panel;
-	int ret = panel->backlight.pwm_funcs->setup(connector, pipe);
+	int ret;
 
+	ret = panel->backlight.pwm_funcs->setup(connector, pipe);
 	if (ret < 0)
 		return ret;