drm/omap: remove omap_framebuffer_get_formats()

We now get a fourcc array from dispc when asking for a plane's supported
pixel formats, so we can drop omap_framebuffer_get_formats() which was
used to convert between DSS and DRM pixel formats.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 40747a6..96c15e6 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -34,9 +34,6 @@ struct omap_plane {
 	struct drm_plane base;
 	enum omap_plane_id id;
 	const char *name;
-
-	uint32_t nformats;
-	uint32_t formats[32];
 };
 
 static int omap_plane_prepare_fb(struct drm_plane *plane,
@@ -294,6 +291,8 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
 	struct omap_plane *omap_plane;
 	enum omap_plane_id id;
 	int ret;
+	u32 nformats;
+	const u32 *formats;
 
 	if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id)))
 		return ERR_PTR(-EINVAL);
@@ -306,17 +305,17 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
 	if (!omap_plane)
 		return ERR_PTR(-ENOMEM);
 
-	omap_plane->nformats = omap_framebuffer_get_formats(
-			omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
-			priv->dispc_ops->ovl_get_color_modes(id));
+	formats = priv->dispc_ops->ovl_get_color_modes(id);
+	for (nformats = 0; formats[nformats]; ++nformats)
+		;
 	omap_plane->id = id;
 	omap_plane->name = plane_id_to_name[id];
 
 	plane = &omap_plane->base;
 
 	ret = drm_universal_plane_init(dev, plane, possible_crtcs,
-				       &omap_plane_funcs, omap_plane->formats,
-				       omap_plane->nformats, type, NULL);
+				       &omap_plane_funcs, formats,
+				       nformats, type, NULL);
 	if (ret < 0)
 		goto error;