diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2017-08-31 13:41:08 +0200 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2017-09-07 12:13:31 -0400 |
| commit | 5c98e1965968f387f9b98602e37d45fa79c4d49b (patch) | |
| tree | 04fda8eaec4b8be5f5560990d4ef932c9dd3b6b4 | |
| parent | 0f3958e1bd00283e793a5762ebdbc4ff9775a545 (diff) | |
edid-decode: SVDs in the 4:2:0 Data Block have half the pixclk
SVDs in the 4:2:0 Capability Data Block run at half the normal
pixelclock. Take that into consideration when updating the max
pixelclock.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
| -rw-r--r-- | edid-decode.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/edid-decode.c b/edid-decode.c index a3f2340..0ae465f 100644 --- a/edid-decode.c +++ b/edid-decode.c @@ -1035,7 +1035,7 @@ static struct { }; static void -cea_svd(unsigned char *x, int n) +cea_svd(unsigned char *x, int n, int for_ycbcr420) { int i; @@ -1062,7 +1062,8 @@ cea_svd(unsigned char *x, int n) max_vert_freq_hz = max(max_vert_freq_hz, edid_cea_modes[vic - 1].refresh); min_hor_freq_hz = min(min_hor_freq_hz, edid_cea_modes[vic - 1].hor_freq_hz); max_hor_freq_hz = max(max_hor_freq_hz, edid_cea_modes[vic - 1].hor_freq_hz); - max_pixclk_khz = max(max_pixclk_khz, edid_cea_modes[vic - 1].pixclk_khz); + max_pixclk_khz = max(max_pixclk_khz, + edid_cea_modes[vic - 1].pixclk_khz / (for_ycbcr420 ? 2 : 1)); } else { mode = "Unknown mode"; } @@ -1078,7 +1079,7 @@ cea_video_block(unsigned char *x) { int length = x[0] & 0x1f; - cea_svd(x + 1, length); + cea_svd(x + 1, length, 0); } static void @@ -1086,7 +1087,7 @@ cea_y420vdb(unsigned char *x) { int length = x[0] & 0x1f; - cea_svd(x + 2, length - 1); + cea_svd(x + 2, length - 1, 1); } static void |