intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 2), 0);
 }
 
+static int skl_plane_color_plane(const struct intel_plane_state *plane_state)
+{
+       /* Program the UV plane on planar master */
+       if (plane_state->planar_linked_plane && !plane_state->planar_slave)
+               return 1;
+       else
+               return 0;
+}
+
 static void
-skl_program_plane_noarm(struct intel_plane *plane,
-                       const struct intel_crtc_state *crtc_state,
-                       const struct intel_plane_state *plane_state,
-                       int color_plane)
+skl_plane_update_noarm(struct intel_plane *plane,
+                      const struct intel_crtc_state *crtc_state,
+                      const struct intel_plane_state *plane_state)
 {
        struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
        enum plane_id plane_id = plane->id;
        enum pipe pipe = plane->pipe;
+       int color_plane = skl_plane_color_plane(plane_state);
        u32 stride = skl_plane_stride(plane_state, color_plane);
        const struct drm_framebuffer *fb = plane_state->hw.fb;
        int crtc_x = plane_state->uapi.dst.x1;
 }
 
 static void
-skl_program_plane_arm(struct intel_plane *plane,
-                     const struct intel_crtc_state *crtc_state,
-                     const struct intel_plane_state *plane_state,
-                     int color_plane)
+skl_plane_update_arm(struct intel_plane *plane,
+                    const struct intel_crtc_state *crtc_state,
+                    const struct intel_plane_state *plane_state)
 {
        struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
        enum plane_id plane_id = plane->id;
        enum pipe pipe = plane->pipe;
+       int color_plane = skl_plane_color_plane(plane_state);
        u32 x = plane_state->view.color_plane[color_plane].x;
        u32 y = plane_state->view.color_plane[color_plane].y;
        u32 plane_color_ctl = 0;
        spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
-static void
-skl_plane_update_noarm(struct intel_plane *plane,
-                      const struct intel_crtc_state *crtc_state,
-                      const struct intel_plane_state *plane_state)
-{
-       int color_plane = 0;
-
-       if (plane_state->planar_linked_plane && !plane_state->planar_slave)
-               /* Program the UV plane on planar master */
-               color_plane = 1;
-
-       skl_program_plane_noarm(plane, crtc_state, plane_state, color_plane);
-}
-
-static void
-skl_plane_update_arm(struct intel_plane *plane,
-                    const struct intel_crtc_state *crtc_state,
-                    const struct intel_plane_state *plane_state)
-{
-       int color_plane = 0;
-
-       if (plane_state->planar_linked_plane && !plane_state->planar_slave)
-               /* Program the UV plane on planar master */
-               color_plane = 1;
-
-       skl_program_plane_arm(plane, crtc_state, plane_state, color_plane);
-}
-
 static bool intel_format_is_p01x(u32 format)
 {
        switch (format) {