From: Hans Verkuil <hans.verk...@cisco.com>
The meaning of the preferred timing bit changed in 1.4. In that case
there is always a preferred timing, but how it is interpreted depends
on this bit.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
edid-decode.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/edid-decode.c b/edid-decode.c
index c1503366..38cd72b6 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -2325,9 +2325,16 @@ int main(int argc, char **argv)
memcmp(edid + 0x19, srgb_chromaticity, sizeof(srgb_chromaticity));
}
if (edid[0x18] & 0x02) {
- printf("First detailed timing is preferred timing\n");
+ if (claims_one_point_four)
+ printf("First detailed timing includes the native pixel format
and preferred refresh rate\n");
+ else
+ printf("First detailed timing is preferred timing\n");
+ has_preferred_timing = 1;
+ } else if (claims_one_point_four) {
+ /* 1.4 always has a preferred timing and this bit means something else.
*/
has_preferred_timing = 1;
}
+
if (edid[0x18] & 0x01) {
if (claims_one_point_four)
printf("Display is continuous frequency\n");
--
2.14.1
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