drm/omap: remove recommended_bpp

recommended_bpp hasn't been used for ages, remove the code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -1117,7 +1117,6 @@ static struct omap_dss_driver dsicm_ops = {
 	.sync		= dsicm_sync,
 
 	.get_resolution	= dsicm_get_resolution,
-	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
 
 	.enable_te	= dsicm_enable_te,
 	.get_te		= dsicm_get_te,

drivers/gpu/drm/omapdrm/dss/display.c

@@ -38,37 +38,6 @@ void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
 }
 EXPORT_SYMBOL(omapdss_default_get_resolution);
 
-int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
-{
-	switch (dssdev->type) {
-	case OMAP_DISPLAY_TYPE_DPI:
-		if (dssdev->phy.dpi.data_lines == 24)
-			return 24;
-		else
-			return 16;
-
-	case OMAP_DISPLAY_TYPE_DBI:
-		if (dssdev->ctrl.pixel_size == 24)
-			return 24;
-		else
-			return 16;
-	case OMAP_DISPLAY_TYPE_DSI:
-		if (dssdev->panel.dsi_pix_fmt == OMAP_DSS_DSI_FMT_RGB565)
-			return 16;
-		else
-			return 24;
-	case OMAP_DISPLAY_TYPE_VENC:
-	case OMAP_DISPLAY_TYPE_SDI:
-	case OMAP_DISPLAY_TYPE_HDMI:
-	case OMAP_DISPLAY_TYPE_DVI:
-		return 24;
-	default:
-		BUG();
-		return 0;
-	}
-}
-EXPORT_SYMBOL(omapdss_default_get_recommended_bpp);
-
 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
 				 struct videomode *vm)
 {
@@ -104,8 +73,6 @@ int omapdss_register_display(struct omap_dss_device *dssdev)
 
 	if (drv && drv->get_resolution == NULL)
 		drv->get_resolution = omapdss_default_get_resolution;
-	if (drv && drv->get_recommended_bpp == NULL)
-		drv->get_recommended_bpp = omapdss_default_get_recommended_bpp;
 	if (drv && drv->get_timings == NULL)
 		drv->get_timings = omapdss_default_get_timings;
 

drivers/gpu/drm/omapdrm/dss/omapdss.h

@@ -730,7 +730,6 @@ struct omap_dss_driver {
 			u16 *xres, u16 *yres);
 	void (*get_dimensions)(struct omap_dss_device *dssdev,
 			u32 *width, u32 *height);
-	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
 
 	int (*check_timings)(struct omap_dss_device *dssdev,
 			     struct videomode *vm);
@@ -792,7 +791,6 @@ struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_devic
 
 void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
 		u16 *xres, u16 *yres);
-int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev);
 void omapdss_default_get_timings(struct omap_dss_device *dssdev,
 				 struct videomode *vm);