drm/radeon/kms: fix legacy tv-out pal mode

fixes fdo bug 26915

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_tv.c b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
index f2ed27c8055..03204039774 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_tv.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
@@ -642,8 +642,8 @@ void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
         }
         flicker_removal = (tmp + 500) / 1000;
 
-        if (flicker_removal < 2)
-                flicker_removal = 2;
+        if (flicker_removal < 3)
+                flicker_removal = 3;
         for (i = 0; i < ARRAY_SIZE(SLOPE_limit); ++i) {
                 if (flicker_removal == SLOPE_limit[i])
                         break;