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>

drivers/gpu/drm/omapdrm/omap_fb.c

@@ -55,28 +55,6 @@ static const struct {
 	{ DRM_FORMAT_UYVY,        DRM_FORMAT_UYVY },
 };
 
-/* convert from overlay's pixel formats bitmask to an array of fourcc's */
-uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
-		uint32_t max_formats, const u32 *supported_modes)
-{
-	uint32_t nformats = 0;
-	int i = 0;
-
-	for (i = 0; i < ARRAY_SIZE(formats) && nformats < max_formats; i++) {
-		unsigned int t;
-
-		for (t = 0; supported_modes[t]; ++t) {
-			if (supported_modes[t] != formats[i].dss_format)
-				continue;
-
-			pixel_formats[nformats++] = formats[i].pixel_format;
-			break;
-		}
-	}
-
-	return nformats;
-}
-
 /* per-plane info for the fb: */
 struct plane {
 	struct drm_gem_object *bo;