diff --git a/linux-core/drm_crtc_helper.c b/linux-core/drm_crtc_helper.c
index bfddab99..d5a9f279 100644
--- a/linux-core/drm_crtc_helper.c
+++ b/linux-core/drm_crtc_helper.c
@@ -38,7 +38,7 @@
 static struct drm_display_mode std_mode[] = {
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 25200, 640, 656,
 		   752, 800, 0, 480, 490, 492, 525, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
 };
 
 /**
diff --git a/linux-core/drm_edid.c b/linux-core/drm_edid.c
index 22c6e3bf..a3d9861f 100644
--- a/linux-core/drm_edid.c
+++ b/linux-core/drm_edid.c
@@ -335,15 +335,15 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
 	drm_mode_set_name(mode);
 
 	if (pt->interlaced)
-		mode->flags |= V_INTERLACE;
+		mode->flags |= DRM_MODE_FLAG_INTERLACE;
 
 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
 		pt->hsync_positive = 1;
 		pt->vsync_positive = 1;
 	}
 
-	mode->flags |= pt->hsync_positive ? V_PHSYNC : V_NHSYNC;
-	mode->flags |= pt->vsync_positive ? V_PVSYNC : V_NVSYNC;
+	mode->flags |= pt->hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+	mode->flags |= pt->vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
 
 	mode->width_mm = pt->width_mm_lo | (pt->width_mm_hi << 8);
 	mode->height_mm = pt->height_mm_lo | (pt->height_mm_hi << 8);
@@ -367,55 +367,55 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
 static struct drm_display_mode edid_est_modes[] = {
 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
 		   968, 1056, 0, 600, 601, 605, 628, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 800x600@60Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
 		   896, 1024, 0, 600, 601, 603,  625, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 800x600@56Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
 		   720, 840, 0, 480, 481, 484, 500, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 640x480@75Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
 		   704,  832, 0, 480, 489, 491, 520, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 640x480@72Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
 		   768,  864, 0, 480, 483, 486, 525, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 640x480@67Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656,
 		   752, 800, 0, 480, 490, 492, 525, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
 		   846, 900, 0, 400, 421, 423,  449, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 720x400@88Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
 		   846,  900, 0, 400, 412, 414, 449, 0,
-		   V_NHSYNC | V_PVSYNC) }, /* 720x400@70Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 1280x1024@75Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040,
 		   1136, 1312, 0,  768, 769, 772, 800, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 1024x768@75Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
 		   1184, 1328, 0,  768, 771, 777, 806, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 1024x768@70Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
 		   1184, 1344, 0,  768, 771, 777, 806, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 1024x768@60Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
 		   1208, 1264, 0, 768, 768, 776, 817, 0,
-		   V_PHSYNC | V_PVSYNC | V_INTERLACE) }, /* 1024x768@43Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
 	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
 		   928, 1152, 0, 624, 625, 628, 667, 0,
-		   V_NHSYNC | V_NVSYNC) }, /* 832x624@75Hz */
+		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
 		   896, 1056, 0, 600, 601, 604,  625, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 800x600@75Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
 		   976, 1040, 0, 600, 637, 643, 666, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 800x600@72Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
 		   1344, 1600, 0,  864, 865, 868, 900, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 1152x864@75Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
 };
 
 #define EDID_EST_TIMINGS 16
diff --git a/linux-core/drm_modes.c b/linux-core/drm_modes.c
index df670c74..4ee00305 100644
--- a/linux-core/drm_modes.c
+++ b/linux-core/drm_modes.c
@@ -162,9 +162,9 @@ int drm_mode_vrefresh(struct drm_display_mode *mode)
 		calc_val /= mode->vtotal;
 
 		refresh = calc_val;
-		if (mode->flags & V_INTERLACE)
+		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 			refresh *= 2;
-		if (mode->flags & V_DBLSCAN)
+		if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 			refresh /= 2;
 		if (mode->vscan > 1)
 			refresh /= mode->vscan;
@@ -198,7 +198,7 @@ void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags)
 	p->crtc_vsync_end = p->vsync_end;
 	p->crtc_vtotal = p->vtotal;
 
-	if (p->flags & V_INTERLACE) {
+	if (p->flags & DRM_MODE_FLAG_INTERLACE) {
 		if (adjust_flags & CRTC_INTERLACE_HALVE_V) {
 			p->crtc_vdisplay /= 2;
 			p->crtc_vsync_start /= 2;
@@ -209,7 +209,7 @@ void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags)
 		p->crtc_vtotal |= 1;
 	}
 
-	if (p->flags & V_DBLSCAN) {
+	if (p->flags & DRM_MODE_FLAG_DBLSCAN) {
 		p->crtc_vdisplay *= 2;
 		p->crtc_vsync_start *= 2;
 		p->crtc_vsync_end *= 2;
diff --git a/linux-core/dvo_ch7xxx.c b/linux-core/dvo_ch7xxx.c
index 18922556..1fe9eb0f 100644
--- a/linux-core/dvo_ch7xxx.c
+++ b/linux-core/dvo_ch7xxx.c
@@ -289,10 +289,10 @@ static void ch7xxx_mode_set(struct intel_dvo_device *dvo,
 	ch7xxx_readb(dvo, CH7xxx_IDF, &idf);
 
 	idf &= ~(CH7xxx_IDF_HSP | CH7xxx_IDF_VSP);
-	if (mode->flags & V_PHSYNC)
+	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 		idf |= CH7xxx_IDF_HSP;
 
-	if (mode->flags & V_PVSYNC)
+	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 		idf |= CH7xxx_IDF_HSP;
 
 	ch7xxx_writeb(dvo, CH7xxx_IDF, idf);
diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c
index b9e8ee63..4326aef9 100644
--- a/linux-core/intel_crt.c
+++ b/linux-core/intel_crt.c
@@ -74,7 +74,7 @@ static void intel_crt_restore(struct drm_connector *connector)
 static int intel_crt_mode_valid(struct drm_connector *connector,
 				struct drm_display_mode *mode)
 {
-	if (mode->flags & V_DBLSCAN)
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return MODE_NO_DBLESCAN;
 
 	if (mode->clock > 400000 || mode->clock < 25000)
@@ -118,9 +118,9 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 	}
 	
 	adpa = 0;
-	if (adjusted_mode->flags & V_PHSYNC)
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		adpa |= ADPA_HSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & V_PVSYNC)
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
 		adpa |= ADPA_VSYNC_ACTIVE_HIGH;
 	
 	if (intel_crtc->pipe == 0)
diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c
index 0a2854a2..b82993fc 100644
--- a/linux-core/intel_display.c
+++ b/linux-core/intel_display.c
@@ -1112,7 +1112,7 @@ static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
 /* VESA 640x480x72Hz mode to set on the pipe */
 static struct drm_display_mode load_detect_mode = {
 	DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664,
-		 704, 832, 0, 480, 489, 491, 520, 0, V_NHSYNC | V_NVSYNC),
+		 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
 };
 
 struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
diff --git a/linux-core/intel_dvo.c b/linux-core/intel_dvo.c
index e6df8fdd..a3842a91 100644
--- a/linux-core/intel_dvo.c
+++ b/linux-core/intel_dvo.c
@@ -139,7 +139,7 @@ static int intel_dvo_mode_valid(struct drm_connector *connector,
 	struct intel_output *intel_output = to_intel_output(connector);
 	struct intel_dvo_device *dvo = intel_output->dev_priv;
 
-	if (mode->flags & V_DBLSCAN)
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return MODE_NO_DBLESCAN;
 
 	/* XXX: Validate clock range */
@@ -225,9 +225,9 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
 	if (pipe == 1)
 		dvo_val |= DVO_PIPE_B_SELECT;
 	dvo_val |= DVO_PIPE_STALL;
-	if (adjusted_mode->flags & V_PHSYNC)
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		dvo_val |= DVO_HSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & V_PVSYNC)
+	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
 		dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
 
 	I915_WRITE(dpll_reg, I915_READ(dpll_reg) | DPLL_DVO_HIGH_SPEED);
@@ -387,9 +387,9 @@ intel_dvo_get_current_mode (struct drm_connector *connector)
 			if (mode) {
 				mode->type |= DRM_MODE_TYPE_PREFERRED;
 				if (dvo_val & DVO_HSYNC_ACTIVE_HIGH)
-					mode->flags |= V_PHSYNC;
+					mode->flags |= DRM_MODE_FLAG_PHSYNC;
 				if (dvo_val & DVO_VSYNC_ACTIVE_HIGH)
-					mode->flags |= V_PVSYNC;
+					mode->flags |= DRM_MODE_FLAG_PVSYNC;
 			}
 		}
 	}
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
index cbd22ba6..5637ea2f 100644
--- a/linux-core/intel_fb.c
+++ b/linux-core/intel_fb.c
@@ -263,8 +263,8 @@ static int intelfb_set_par(struct fb_info *info)
 		drm_mode->clock = PICOS2KHZ(var->pixclock);
 		drm_mode->vrefresh = drm_mode_vrefresh(drm_mode);
 		drm_mode->flags = 0;
-		drm_mode->flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;
-		drm_mode->flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;
+		drm_mode->flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+		drm_mode->flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
 		
 		drm_mode_set_name(drm_mode);
 		drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V);
diff --git a/linux-core/intel_sdvo.c b/linux-core/intel_sdvo.c
index f0a47e2e..2143bdc0 100644
--- a/linux-core/intel_sdvo.c
+++ b/linux-core/intel_sdvo.c
@@ -602,9 +602,9 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 		((v_sync_len & 0x30) >> 4);
 	
 	output_dtd.part2.dtd_flags = 0x18;
-	if (mode->flags & V_PHSYNC)
+	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 		output_dtd.part2.dtd_flags |= 0x2;
-	if (mode->flags & V_PVSYNC)
+	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 		output_dtd.part2.dtd_flags |= 0x4;
 
 	output_dtd.part2.sdvo_flags = 0;
@@ -825,7 +825,7 @@ static int intel_sdvo_mode_valid(struct drm_connector *connector,
 	struct intel_output *intel_output = to_intel_output(connector);
 	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 
-	if (mode->flags & V_DBLSCAN)
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return MODE_NO_DBLESCAN;
 
 	if (sdvo_priv->pixel_clock_min > mode->clock)
diff --git a/linux-core/nv50_crtc.c b/linux-core/nv50_crtc.c
index c9745e08..6c3d404f 100644
--- a/linux-core/nv50_crtc.c
+++ b/linux-core/nv50_crtc.c
@@ -92,14 +92,14 @@ static int nv50_crtc_execute_mode(struct nv50_crtc *crtc)
 	vunk2a = 2*hw_mode->vtotal - hw_mode->vsync_start + hw_mode->vblank_start;
 	vunk2b = hw_mode->vtotal - hw_mode->vsync_start + hw_mode->vblank_end;
 
-	if (hw_mode->flags & V_INTERLACE) {
+	if (hw_mode->flags & DRM_MODE_FLAG_INTERLACE) {
 		vsync_dur /= 2;
 		vsync_start_to_end  /= 2;
 		vunk1 /= 2;
 		vunk2a /= 2;
 		vunk2b /= 2;
 		/* magic */
-		if (hw_mode->flags & V_DBLSCAN) {
+		if (hw_mode->flags & DRM_MODE_FLAG_DBLSCAN) {
 			vsync_start_to_end -= 1;
 			vunk1 -= 1;
 			vunk2a -= 1;
@@ -108,14 +108,14 @@ static int nv50_crtc_execute_mode(struct nv50_crtc *crtc)
 	}
 
 	OUT_MODE(NV50_CRTC0_CLOCK + offset, hw_mode->clock | 0x800000);
-	OUT_MODE(NV50_CRTC0_INTERLACE + offset, (hw_mode->flags & V_INTERLACE) ? 2 : 0);
+	OUT_MODE(NV50_CRTC0_INTERLACE + offset, (hw_mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 0);
 	OUT_MODE(NV50_CRTC0_DISPLAY_START + offset, 0);
 	OUT_MODE(NV50_CRTC0_UNK82C + offset, 0);
 	OUT_MODE(NV50_CRTC0_DISPLAY_TOTAL + offset, hw_mode->vtotal << 16 | hw_mode->htotal);
 	OUT_MODE(NV50_CRTC0_SYNC_DURATION + offset, (vsync_dur - 1) << 16 | (hsync_dur - 1));
 	OUT_MODE(NV50_CRTC0_SYNC_START_TO_BLANK_END + offset, (vsync_start_to_end - 1) << 16 | (hsync_start_to_end - 1));
 	OUT_MODE(NV50_CRTC0_MODE_UNK1 + offset, (vunk1 - 1) << 16 | (hunk1 - 1));
-	if (hw_mode->flags & V_INTERLACE) {
+	if (hw_mode->flags & DRM_MODE_FLAG_INTERLACE) {
 		OUT_MODE(NV50_CRTC0_MODE_UNK2 + offset, (vunk2b - 1) << 16 | (vunk2a - 1));
 	}
 
@@ -273,7 +273,7 @@ static int nv50_crtc_set_scale(struct nv50_crtc *crtc)
 
 	/* Got a better name for SCALER_ACTIVE? */
 	/* One day i've got to really figure out why this is needed. */
-	if ((crtc->mode->flags & V_DBLSCAN) || (crtc->mode->flags & V_INTERLACE) ||
+	if ((crtc->mode->flags & DRM_MODE_FLAG_DBLSCAN) || (crtc->mode->flags & DRM_MODE_FLAG_INTERLACE) ||
 		crtc->mode->hdisplay != outX || crtc->mode->vdisplay != outY) {
 		OUT_MODE(NV50_CRTC0_SCALE_CTRL + offset, NV50_CRTC0_SCALE_CTRL_SCALER_ACTIVE);
 	} else {
diff --git a/linux-core/nv50_dac.c b/linux-core/nv50_dac.c
index 34b54902..ce01d573 100644
--- a/linux-core/nv50_dac.c
+++ b/linux-core/nv50_dac.c
@@ -73,10 +73,10 @@ static int nv50_dac_execute_mode(struct nv50_output *output, bool disconnect)
 		mode_ctl |= 0x100;
 	}
 
-	if (desired_mode->flags & V_NHSYNC)
+	if (desired_mode->flags & DRM_MODE_FLAG_NHSYNC)
 		mode_ctl2 |= NV50_DAC_MODE_CTRL2_NHSYNC;
 
-	if (desired_mode->flags & V_NVSYNC)
+	if (desired_mode->flags & DRM_MODE_FLAG_NVSYNC)
 		mode_ctl2 |= NV50_DAC_MODE_CTRL2_NVSYNC;
 
 	OUT_MODE(NV50_DAC0_MODE_CTRL + offset, mode_ctl);
diff --git a/linux-core/nv50_fbcon.c b/linux-core/nv50_fbcon.c
index 8969860b..80597a76 100644
--- a/linux-core/nv50_fbcon.c
+++ b/linux-core/nv50_fbcon.c
@@ -239,8 +239,8 @@ static int nv50_fbcon_set_par(struct fb_info *info)
 		drm_mode->clock = PICOS2KHZ(var->pixclock);
 		drm_mode->vrefresh = drm_mode_vrefresh(drm_mode);
 		drm_mode->flags = 0;
-		drm_mode->flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;
-		drm_mode->flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;
+		drm_mode->flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+		drm_mode->flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
 
 		drm_mode_set_name(drm_mode);
 		drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V);
diff --git a/linux-core/nv50_kms_wrapper.c b/linux-core/nv50_kms_wrapper.c
index 0954f0e8..b7ba7b00 100644
--- a/linux-core/nv50_kms_wrapper.c
+++ b/linux-core/nv50_kms_wrapper.c
@@ -941,10 +941,10 @@ static void nv50_kms_connector_destroy(struct drm_connector *drm_connector)
 static struct drm_display_mode std_mode[] = {
 	/*{ DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 25200, 640, 656,
 		 752, 800, 0, 480, 490, 492, 525, 0,
-		 V_NHSYNC | V_NVSYNC) },*/ /* 640x480@60Hz */
+		 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },*/ /* 640x480@60Hz */
 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DEFAULT, 135000, 1280, 1296,
 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
-		   V_PHSYNC | V_PVSYNC) }, /* 1280x1024@75Hz */
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
 };
 
 static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, uint32_t maxX, uint32_t maxY)
diff --git a/linux-core/nv50_sor.c b/linux-core/nv50_sor.c
index 4d82697e..021a45bf 100644
--- a/linux-core/nv50_sor.c
+++ b/linux-core/nv50_sor.c
@@ -77,10 +77,10 @@ static int nv50_sor_execute_mode(struct nv50_output *output, bool disconnect)
 	else
 		mode_ctl |= NV50_SOR_MODE_CTRL_CRTC0;
 
-	if (desired_mode->flags & V_NHSYNC)
+	if (desired_mode->flags & DRM_MODE_FLAG_NHSYNC)
 		mode_ctl |= NV50_SOR_MODE_CTRL_NHSYNC;
 
-	if (desired_mode->flags & V_NVSYNC)
+	if (desired_mode->flags & DRM_MODE_FLAG_NVSYNC)
 		mode_ctl |= NV50_SOR_MODE_CTRL_NVSYNC;
 
 	OUT_MODE(NV50_SOR0_MODE_CTRL + offset, mode_ctl);
diff --git a/shared-core/drm.h b/shared-core/drm.h
index b64e265d..c7c7f13c 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -1011,20 +1011,21 @@ struct drm_mm_info_arg {
 #define DRM_MODE_TYPE_DRIVER	(1<<6)
 
 /* Video mode flags */
-#define V_PHSYNC	(1<<0)
-#define V_NHSYNC	(1<<1)
-#define V_PVSYNC	(1<<2)
-#define V_NVSYNC	(1<<3)
-#define V_INTERLACE	(1<<4)
-#define V_DBLSCAN	(1<<5)
-#define V_CSYNC		(1<<6)
-#define V_PCSYNC	(1<<7)
-#define V_NCSYNC	(1<<8)
-#define V_HSKEW		(1<<9) /* hskew provided */
-#define V_BCAST		(1<<10)
-#define V_PIXMUX	(1<<11)
-#define V_DBLCLK	(1<<12)
-#define V_CLKDIV2	(1<<13)
+/* bit compatible with the xorg definitions. */
+#define DRM_MODE_FLAG_PHSYNC	(1<<0)
+#define DRM_MODE_FLAG_NHSYNC	(1<<1)
+#define DRM_MODE_FLAG_PVSYNC	(1<<2)
+#define DRM_MODE_FLAG_NVSYNC	(1<<3)
+#define DRM_MODE_FLAG_INTERLACE	(1<<4)
+#define DRM_MODE_FLAG_DBLSCAN	(1<<5)
+#define DRM_MODE_FLAG_CSYNC	(1<<6)
+#define DRM_MODE_FLAG_PCSYNC	(1<<7)
+#define DRM_MODE_FLAG_NCSYNC	(1<<8)
+#define DRM_MODE_FLAG_HSKEW	(1<<9) /* hskew provided */
+#define DRM_MODE_FLAG_BCAST	(1<<10)
+#define DRM_MODE_FLAG_PIXMUX	(1<<11)
+#define DRM_MODE_FLAG_DBLCLK	(1<<12)
+#define DRM_MODE_FLAG_CLKDIV2	(1<<13)
 
 /* DPMS flags */
 #define DPMSModeOn 0