VIDEO: add macro to set LCD size for DSS driver

Signed-off-by: Stefano Babic <sbabic@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>

arch/arm/include/asm/arch-omap3/dss.h

@@ -190,6 +190,7 @@ struct panel_config {
 
 #define PANEL_TIMING_H(bp, fp, sw) (DSS_HBP(bp) | DSS_HFP(fp) | DSS_HSW(sw))
 #define PANEL_TIMING_V(bp, fp, sw) (DSS_VBP(bp) | DSS_VFP(fp) | DSS_VSW(sw))
+#define PANEL_LCD_SIZE(xres, yres) ((yres - 1) << 16 | (xres - 1))
 
 /* Generic DSS Functions */
 void omap3_dss_venc_config(const struct venc_regs *venc_cfg,