Use drm_mode_vrefresh to update the vrefresh field after changing the
modes' timings and flags.

Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
 drivers/gpu/drm/drm_modes.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index cd74a09..b624be8 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -611,6 +611,8 @@ void drm_display_mode_from_videomode(const struct videomode 
*vm,
                dmode->flags |= DRM_MODE_FLAG_DBLSCAN;
        if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
                dmode->flags |= DRM_MODE_FLAG_DBLCLK;
+       dmode->vrefresh = 0;
+       dmode->vrefresh = drm_mode_vrefresh(dmode);
        drm_mode_set_name(dmode);
 }
 EXPORT_SYMBOL_GPL(drm_display_mode_from_videomode);
-- 
2.6.2

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