diff --git a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
index 0a7491427832..264182f97194 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
@@ -40,7 +40,8 @@ static const struct omap_video_timings tvc_pal_timings = {
 	.vfront_porch	= 5,
 	.vback_porch	= 41,
 
-	.flags		= DISPLAY_FLAGS_INTERLACED,
+	.flags		= DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW |
+			  DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 static const struct of_device_id tvc_of_match[];
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
index adbcd566a7ec..b81c366ba63a 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c
@@ -33,11 +33,11 @@ static const struct omap_video_timings dvic_default_timings = {
 	.vsync_len	= 4,
 	.vback_porch	= 7,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_HIGH,
-	.hsync_level	= OMAPDSS_SIG_ACTIVE_HIGH,
 	.data_pclk_edge	= OMAPDSS_DRIVE_SIG_RISING_EDGE,
 	.de_level	= OMAPDSS_SIG_ACTIVE_HIGH,
 	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_FALLING_EDGE,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH,
 };
 
 struct panel_drv_data {
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
index 8e246b9142d7..f9809f4eb390 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
@@ -32,8 +32,7 @@ static const struct omap_video_timings hdmic_default_timings = {
 	.vfront_porch	= 11,
 	.vback_porch	= 31,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 struct panel_drv_data {
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
index 9c114da37a6b..999dec6c2cff 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
@@ -33,11 +33,11 @@ static struct omap_video_timings lb035q02_timings = {
 	.vfront_porch	= 4,
 	.vback_porch	= 18,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_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,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 struct panel_drv_data {
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
index 1e1acc6e06cb..c45eb3520346 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
@@ -76,11 +76,11 @@ static const struct omap_video_timings nec_8048_panel_timings = {
 	.vsync_len	= 1,
 	.vback_porch	= 4,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_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_RISING_EDGE,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index 79cb8bde1cca..a83e6a1b894b 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -49,11 +49,11 @@ static const struct omap_video_timings sharp_ls_timings = {
 	.vfront_porch	= 1,
 	.vback_porch	= 1,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_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,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
index 30d689818518..40c882599c96 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
@@ -103,12 +103,11 @@ static const struct omap_video_timings acx565akm_panel_timings = {
 	.vsync_len	= 3,
 	.vback_porch	= 4,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_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,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
index a367b615d808..d98a16e8ce4a 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c
@@ -53,12 +53,11 @@ static struct omap_video_timings td028ttec1_panel_timings = {
 	.vsync_len	= 2,
 	.vback_porch	= 2,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-
 	.data_pclk_edge	= OMAPDSS_DRIVE_SIG_FALLING_EDGE,
 	.de_level	= OMAPDSS_SIG_ACTIVE_HIGH,
 	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_RISING_EDGE,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 #define JBT_COMMAND	0x000
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index 16d24381b270..65eeda51dbef 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -86,11 +86,11 @@ static const struct omap_video_timings tpo_td043_timings = {
 	.vfront_porch	= 39,
 	.vback_porch	= 34,
 
-	.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
-	.hsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
 	.data_pclk_edge	= OMAPDSS_DRIVE_SIG_FALLING_EDGE,
 	.de_level	= OMAPDSS_SIG_ACTIVE_HIGH,
 	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_RISING_EDGE,
+
+	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 915609be7a33..820d3083dfbf 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -3157,27 +3157,15 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
 	dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
 	dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
 
-	switch (ovt->vsync_level) {
-	case OMAPDSS_SIG_ACTIVE_LOW:
-		vs = true;
-		break;
-	case OMAPDSS_SIG_ACTIVE_HIGH:
+	if (ovt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 		vs = false;
-		break;
-	default:
-		BUG();
-	}
+	else
+		vs = true;
 
-	switch (ovt->hsync_level) {
-	case OMAPDSS_SIG_ACTIVE_LOW:
-		hs = true;
-		break;
-	case OMAPDSS_SIG_ACTIVE_HIGH:
+	if (ovt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 		hs = false;
-		break;
-	default:
-		BUG();
-	}
+	else
+		hs = true;
 
 	switch (ovt->de_level) {
 	case OMAPDSS_SIG_ACTIVE_LOW:
@@ -3277,8 +3265,9 @@ void dispc_mgr_set_timings(enum omap_channel channel,
 			t.hsync_len, t.hfront_porch, t.hback_porch,
 			t.vsync_len, t.vfront_porch, t.vback_porch);
 		DSSDBG("vsync_level %d hsync_level %d data_pclk_edge %d de_level %d sync_pclk_edge %d\n",
-			t.vsync_level, t.hsync_level, t.data_pclk_edge,
-			t.de_level, t.sync_pclk_edge);
+			!!(t.flags & DISPLAY_FLAGS_VSYNC_HIGH),
+			!!(t.flags & DISPLAY_FLAGS_HSYNC_HIGH),
+			t.data_pclk_edge, t.de_level, t.sync_pclk_edge);
 
 		DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt);
 	} else {
@@ -4220,12 +4209,12 @@ static const struct dispc_errata_i734_data {
 		.pixelclock = 16000000,
 		.hsync_len = 8, .hfront_porch = 4, .hback_porch = 4,
 		.vsync_len = 1, .vfront_porch = 1, .vback_porch = 1,
-		.vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
-		.hsync_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_RISING_EDGE,
 		.double_pixel = false,
+
+		.flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
 	},
 	.ovli = {
 		.screen_width = 1,
diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c
index d63ea2d5d812..ddb5bbd41dfb 100644
--- a/drivers/gpu/drm/omapdrm/dss/display.c
+++ b/drivers/gpu/drm/omapdrm/dss/display.c
@@ -232,13 +232,8 @@ void videomode_to_omap_video_timings(const struct videomode *vm,
 	ovt->vback_porch = vm->vback_porch;
 	ovt->vfront_porch = vm->vfront_porch;
 	ovt->vsync_len = vm->vsync_len;
+	ovt->flags = vm->flags;
 
-	ovt->vsync_level = vm->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
-		OMAPDSS_SIG_ACTIVE_HIGH :
-		OMAPDSS_SIG_ACTIVE_LOW;
-	ovt->hsync_level = vm->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
-		OMAPDSS_SIG_ACTIVE_HIGH :
-		OMAPDSS_SIG_ACTIVE_LOW;
 	ovt->de_level = vm->flags & DISPLAY_FLAGS_DE_HIGH ?
 		OMAPDSS_SIG_ACTIVE_HIGH :
 		OMAPDSS_SIG_ACTIVE_LOW;
@@ -265,16 +260,7 @@ void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
 	vm->vback_porch = ovt->vback_porch;
 	vm->vfront_porch = ovt->vfront_porch;
 	vm->vsync_len = ovt->vsync_len;
-
-	if (ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
-		vm->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
-	else
-		vm->flags |= DISPLAY_FLAGS_HSYNC_LOW;
-
-	if (ovt->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
-		vm->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
-	else
-		vm->flags |= DISPLAY_FLAGS_VSYNC_LOW;
+	vm->flags = ovt->flags;
 
 	if (ovt->de_level == OMAPDSS_SIG_ACTIVE_HIGH)
 		vm->flags |= DISPLAY_FLAGS_DE_HIGH;
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 0d05ac9931a2..0117681973bb 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -4123,8 +4123,10 @@ static int dsi_display_init_dispc(struct platform_device *dsidev,
 	 * omap_video_timings with default values
 	 */
 	dsi->timings.flags &= ~DISPLAY_FLAGS_INTERLACED;
-	dsi->timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
-	dsi->timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.flags &= ~DISPLAY_FLAGS_HSYNC_LOW;
+	dsi->timings.flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+	dsi->timings.flags &= ~DISPLAY_FLAGS_VSYNC_LOW;
+	dsi->timings.flags |= DISPLAY_FLAGS_VSYNC_HIGH;
 	dsi->timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 	dsi->timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
 	dsi->timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE;
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
index 62268f8d62c6..f64f389939d1 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
@@ -333,8 +333,8 @@ static void hdmi_core_video_config(struct hdmi_core_data *core,
 	unsigned char r = 0;
 	bool vsync_pol, hsync_pol;
 
-	vsync_pol = ovt->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
-	hsync_pol = ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+	vsync_pol = !!(ovt->flags & DISPLAY_FLAGS_VSYNC_HIGH);
+	hsync_pol = !!(ovt->flags & DISPLAY_FLAGS_HSYNC_HIGH);
 
 	/* Set hsync, vsync and data-enable polarity  */
 	r = hdmi_read_reg(base, HDMI_CORE_FC_INVIDCONF);
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
index 231f62ed86ff..b86e5a357456 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
@@ -150,8 +150,8 @@ void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
 	bool vsync_pol, hsync_pol;
 	DSSDBG("Enter hdmi_wp_video_config_interface\n");
 
-	vsync_pol = timings->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
-	hsync_pol = timings->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+	vsync_pol = !!(timings->flags & DISPLAY_FLAGS_VSYNC_HIGH);
+	hsync_pol = !!(timings->flags & DISPLAY_FLAGS_HSYNC_HIGH);
 
 	r = hdmi_read_reg(wp->base, HDMI_WP_VIDEO_CFG);
 	r = FLD_MOD(r, vsync_pol, 7, 7);
@@ -208,8 +208,6 @@ void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
 	timings->vfront_porch = param->timings.vfront_porch;
 	timings->vsync_len = param->timings.vsync_len;
 
-	timings->vsync_level = param->timings.vsync_level;
-	timings->hsync_level = param->timings.hsync_level;
 	timings->double_pixel = param->timings.double_pixel;
 	timings->flags = param->timings.flags;
 
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 97acc340dcd5..96654a79cdb5 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -319,10 +319,6 @@ struct omap_video_timings {
 	/* Unit: line clocks */
 	u16 vback_porch;	/* Vertical back porch */
 
-	/* Vsync logic level */
-	enum omap_dss_signal_level vsync_level;
-	/* Hsync logic level */
-	enum omap_dss_signal_level hsync_level;
 	/* Pixel clock edge to drive LCD data */
 	enum omap_dss_signal_edge data_pclk_edge;
 	/* Data enable logic level */
diff --git a/drivers/gpu/drm/omapdrm/dss/rfbi.c b/drivers/gpu/drm/omapdrm/dss/rfbi.c
index d5639a5099c8..62f037ebfe6d 100644
--- a/drivers/gpu/drm/omapdrm/dss/rfbi.c
+++ b/drivers/gpu/drm/omapdrm/dss/rfbi.c
@@ -866,8 +866,10 @@ static void rfbi_config_lcd_manager(struct omap_dss_device *dssdev)
 	rfbi.timings.vback_porch = 0;
 
 	rfbi.timings.flags &= ~DISPLAY_FLAGS_INTERLACED;
-	rfbi.timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
-	rfbi.timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	rfbi.timings.flags &= ~DISPLAY_FLAGS_HSYNC_LOW;
+	rfbi.timings.flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+	rfbi.timings.flags &= ~DISPLAY_FLAGS_VSYNC_LOW;
+	rfbi.timings.flags |= DISPLAY_FLAGS_VSYNC_HIGH;
 	rfbi.timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 	rfbi.timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
 	rfbi.timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE;
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
index e271c75ef632..e80ec809f0c7 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -273,13 +273,12 @@ const struct omap_video_timings omap_dss_pal_timings = {
 	.vfront_porch	= 5,
 	.vback_porch	= 41,
 
-	.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,
 
-	.flags		= DISPLAY_FLAGS_INTERLACED,
+	.flags		= DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW |
+			  DISPLAY_FLAGS_VSYNC_LOW,
 };
 EXPORT_SYMBOL(omap_dss_pal_timings);
 
@@ -294,13 +293,12 @@ const struct omap_video_timings omap_dss_ntsc_timings = {
 	.vfront_porch	= 6,
 	.vback_porch	= 31,
 
-	.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,
 
-	.flags		= DISPLAY_FLAGS_INTERLACED,
+	.flags		= DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW |
+			  DISPLAY_FLAGS_VSYNC_LOW,
 };
 EXPORT_SYMBOL(omap_dss_ntsc_timings);
 
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
index 5effce40817f..695386256d18 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -65,12 +65,12 @@ void copy_timings_omap_to_drm(struct drm_display_mode *mode,
 	if (timings->double_pixel)
 		mode->flags |= DRM_MODE_FLAG_DBLCLK;
 
-	if (timings->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
+	if (timings->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 		mode->flags |= DRM_MODE_FLAG_PHSYNC;
 	else
 		mode->flags |= DRM_MODE_FLAG_NHSYNC;
 
-	if (timings->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
+	if (timings->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 		mode->flags |= DRM_MODE_FLAG_PVSYNC;
 	else
 		mode->flags |= DRM_MODE_FLAG_NVSYNC;
@@ -97,14 +97,14 @@ void copy_timings_drm_to_omap(struct omap_video_timings *timings,
 	timings->double_pixel = !!(mode->flags & DRM_MODE_FLAG_DBLCLK);
 
 	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
-		timings->hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+		timings->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
 	else
-		timings->hsync_level = OMAPDSS_SIG_ACTIVE_LOW;
+		timings->flags |= DISPLAY_FLAGS_HSYNC_LOW;
 
 	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
-		timings->vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+		timings->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
 	else
-		timings->vsync_level = OMAPDSS_SIG_ACTIVE_LOW;
+		timings->flags |= DISPLAY_FLAGS_VSYNC_LOW;
 
 	timings->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 	timings->de_level = OMAPDSS_SIG_ACTIVE_HIGH;
