OMAP: DSS2: move get_recommended_bpp()

Move get_recommended_bpp() from omap_dss_device to omap_dss_driver.

This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h
index 70a9dd3..aadea59 100644
--- a/arch/arm/plat-omap/include/plat/display.h
+++ b/arch/arm/plat-omap/include/plat/display.h
@@ -433,8 +433,6 @@
 		int acb;	/* ac-bias pin frequency */
 
 		enum omap_panel_config config;
-
-		u8 recommended_bpp;
 	} panel;
 
 	struct {
@@ -470,8 +468,6 @@
 	int (*suspend)(struct omap_dss_device *dssdev);
 	int (*resume)(struct omap_dss_device *dssdev);
 
-	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
-
 	int (*check_timings)(struct omap_dss_device *dssdev,
 			struct omap_video_timings *timings);
 	void (*set_timings)(struct omap_dss_device *dssdev,
@@ -530,6 +526,7 @@
 
 	void (*get_resolution)(struct omap_dss_device *dssdev,
 			u16 *xres, u16 *yres);
+	int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
 };
 
 int omap_dss_register_driver(struct omap_dss_driver *);
@@ -556,6 +553,8 @@
 
 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);
+
 typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
 int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
 int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);