The last CVT standard introduced reduced blanking version 2 which is signaled by
a vsync of 8. Log this.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>

diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c 
b/drivers/media/v4l2-core/v4l2-dv-timings.c
index eefad4f..5d9e896 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -290,9 +290,11 @@ void v4l2_print_dv_timings(const char *dev_prefix, const 
char *prefix,
                        (bt->polarities & V4L2_DV_VSYNC_POS_POL) ? "+" : "-",
                        bt->il_vsync, bt->il_vbackporch);
        pr_info("%s: pixelclock: %llu\n", dev_prefix, bt->pixelclock);
-       pr_info("%s: flags (0x%x):%s%s%s%s%s\n", dev_prefix, bt->flags,
+       pr_info("%s: flags (0x%x):%s%s%s%s%s%s\n", dev_prefix, bt->flags,
                        (bt->flags & V4L2_DV_FL_REDUCED_BLANKING) ?
                        " REDUCED_BLANKING" : "",
+                       ((bt->flags & V4L2_DV_FL_REDUCED_BLANKING) &&
+                        bt->vsync == 8) ? " (V2)" : "",
                        (bt->flags & V4L2_DV_FL_CAN_REDUCE_FPS) ?
                        " CAN_REDUCE_FPS" : "",
                        (bt->flags & V4L2_DV_FL_REDUCED_FPS) ?
--
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