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_drv.h

@@ -150,8 +150,6 @@ struct drm_encoder *omap_connector_attached_encoder(
 		struct drm_connector *connector);
 bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
 
-uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
-		uint32_t max_formats, const u32 *supported_modes);
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
 		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,

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;

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;