diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index b335c1ae8625106efff818d696ebad532ade7f17..fe00a07c122e69f0735baf8832fdd112677b4dd6 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -479,7 +479,10 @@ static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s)
 			port = FSL_DIU_PORT_DLVDS;
 	}
 
-	return diu_ops.valid_monitor_port(port);
+	if (diu_ops.valid_monitor_port)
+		port = diu_ops.valid_monitor_port(port);
+
+	return port;
 }
 
 /*
@@ -1915,6 +1918,14 @@ static int __init fsl_diu_init(void)
 #else
 	monitor_port = fsl_diu_name_to_port(monitor_string);
 #endif
+
+	/*
+	 * Must to verify set_pixel_clock. If not implement on platform,
+	 * then that means that there is no platform support for the DIU.
+	 */
+	if (!diu_ops.set_pixel_clock)
+		return -ENODEV;
+
 	pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n");
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
diff --git a/drivers/video/fbdev/omap2/dss/venc.c b/drivers/video/fbdev/omap2/dss/venc.c
index 99ca268c1cddf24332308b58fbeb051d565b8dca..d05a54922ba6953bb686f07ba2ac4315f91aeace 100644
--- a/drivers/video/fbdev/omap2/dss/venc.c
+++ b/drivers/video/fbdev/omap2/dss/venc.c
@@ -275,6 +275,12 @@ const struct omap_video_timings omap_dss_pal_timings = {
 	.vbp		= 41,
 
 	.interlace	= true,
+
+	.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+	.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+	.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
+	.de_level = OMAPDSS_SIG_ACTIVE_HIGH,
+	.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
 };
 EXPORT_SYMBOL(omap_dss_pal_timings);
 
@@ -290,6 +296,12 @@ const struct omap_video_timings omap_dss_ntsc_timings = {
 	.vbp		= 31,
 
 	.interlace	= true,
+
+	.hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+	.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+	.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
+	.de_level = OMAPDSS_SIG_ACTIVE_HIGH,
+	.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
 };
 EXPORT_SYMBOL(omap_dss_ntsc_timings);