From 841b4117b30d544690fceb952037b1cddf14783f Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Wed, 12 Aug 2009 02:30:09 +0200
Subject: [PATCH] drm: Fix drm_cvt_mode() for interlaced modes.

The calculated vdisplay was half the right value.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_modes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 6b4d2dc3cdd..9e54925a760 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -146,7 +146,7 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
 	if (margins)
 		vmargin = vdisplay_rnd * CVT_MARGIN_PERCENTAGE / 1000;
 
-	drm_mode->vdisplay = vdisplay_rnd + 2 * vmargin;
+	drm_mode->vdisplay = vdisplay + 2 * vmargin;
 
 	/* Interlaced */
 	if (interlaced)
-- 
2.20.1