From 605a74e62809396cfcb786934f12be84a0da2282 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 17 Jul 2016 06:03:15 -0300 Subject: [PATCH] [media] cobalt: support reduced fps Add support for reduced fps (i.e. 59.94 Hz instead of 60 Hz) for the HDMI output. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/cobalt/cobalt-v4l2.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c index d05672fe9ff9..5c76637900d0 100644 --- a/drivers/media/pci/cobalt/cobalt-v4l2.c +++ b/drivers/media/pci/cobalt/cobalt-v4l2.c @@ -161,8 +161,11 @@ static void cobalt_enable_output(struct cobalt_stream *s) struct v4l2_subdev_format sd_fmt = { .which = V4L2_SUBDEV_FORMAT_ACTIVE, }; + u64 clk = bt->pixelclock; - if (!cobalt_cpld_set_freq(cobalt, bt->pixelclock)) { + if (bt->flags & V4L2_DV_FL_REDUCED_FPS) + clk = div_u64(clk * 1000ULL, 1001); + if (!cobalt_cpld_set_freq(cobalt, clk)) { cobalt_err("pixelclock out of range\n"); return; } @@ -644,7 +647,7 @@ static int cobalt_s_dv_timings(struct file *file, void *priv_fh, return 0; } - if (v4l2_match_dv_timings(timings, &s->timings, 0, false)) + if (v4l2_match_dv_timings(timings, &s->timings, 0, true)) return 0; if (vb2_is_busy(&s->q)) -- 2.30.2