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62 commits

Author SHA1 Message Date
Simon Ser
823afd5c94 edid: fix interlaced timing printing in DTDs 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-10-07 07:06:36 +02:00
Simon Ser
eea7215002 di-edid-decode: print preferred flag for type I timing 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-10-03 14:14:45 +02:00
Simon Ser
cad7de92c7 displayid: add support for display parameters data block 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-10-03 08:56:03 +02:00
Simon Ser
d7144ad9b9 displayid: parse type I timings 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-10-03 06:32:38 +00:00
Simon Ser
87e264f7fb Introduce di_gtf_compute() 
This is a function to compute a timing according to GTF.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-29 11:50:09 +00:00
Simon Ser
40d8018a7e displayid: parse data blocks 
Just parse the tag for now.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-27 07:56:09 +00:00
Simon Ser
ceabc884fd displayid: parse product type 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-27 07:56:09 +00:00
Simon Ser
28beee232c edid: parse established timings III 
This display descriptor contains a bitfield indicating support for
DMT timings.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-26 09:18:59 +02:00
Simon Ser
b89910ef4e test/data: add goldstar-ite6604-hdmi 
It contains established timings III.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-17 09:09:59 +02:00
Simon Ser
df676bef3a di-edid-decode: fix inverted text for analog video setup 
The texts and cases are inverted here.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-17 09:07:20 +02:00
Simon Ser
29dd7c1e17 test/data: add acer-p1276 
We don't have any analog display EDID in our tests. Increase our
test coverage by including one.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-17 09:07:05 +02:00
Simon Ser
047e8bb305 edid: expose struct di_dmt_timing 
This allows callers to access the detailed DMT data.

di-edid-decode is updated to print the missing fields.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-17 06:53:39 +00:00
Simon Ser
c637a9daf8 edid: parse timing data from CVT range limit descriptor 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-06 09:27:32 +02:00
Simon Ser
7c8bcb09eb edid: parse timing data from secondary GTF range limit descriptor 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-06 09:26:32 +02:00
Simon Ser
7e0b8c1af9 test/data: add viewsonic-vp2768-dp 
It contains a CVT range limits descriptor.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-06 09:25:57 +02:00
Simon Ser
da89d95268 test/data: add msi-mag321curv-dp 
It contains a GTF secondary range limit descriptor.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-06 09:25:12 +02:00
Simon Ser
407b309904 cta: add support for video capability data block 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-05 18:11:56 +00:00
Simon Ser
7a6d694b1a Add basic support for DisplayID in EDID extension blocks 
Establish the new headers and structs, and just parse the
version/revision for now.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-02 06:42:06 +00:00
Simon Ser
789a927569 test/data: add apple-xdr-dp 
Contains DisplayID extension blocks.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-09-02 06:42:06 +00:00
Simon Ser
0c8673af02 cta: add support for video data blocks 
Report the SVDs inside the video data block.

We'll need to add additional APIs to get detailed SVD mode info
in the future (with a SVD table).

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-31 13:18:34 +00:00
Simon Ser
4e5df43659 test: rename EDID files with .edid filename extension 
This makes it easier to perform an operation on all EDID files at
once, e.g. "test/edid-decode-diff.sh test/data/*.edid" to update all
diffs at once.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-29 15:23:41 +02:00
Simon Ser
37a6186445 test/edid-decode-diff: do not fail if .diff doesn't exist 
Call rm with the -f flag to ignore non-existing .diff files.
The .diff file doesn't exist if there is no difference in the
edid-decode output.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-29 13:59:52 +02:00
Simon Ser
355a3aca80 cta: parse HDR static metadata blocks 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-29 13:52:50 +02:00
Simon Ser
f5f8371965 edid: add prefix to range limits failure messages 
Upstream edid-decode uses a global variable to store the current
EDID section name and prefix failure messages.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-29 10:19:48 +00:00
Simon Ser
41507c0b5f ci: update edid-decode 
This new version contains a fix for a bogus failure message.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-15 14:58:59 +02:00
Simon Ser
c784d978fb cta: parse detailed timing definitions 
After the data blocks, the CTA extension contains a list of DTDs.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-08 18:41:18 +02:00
Simon Ser
501c20f854 edid: parse established timings I and II 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-08 16:33:14 +00:00
Simon Ser
8e7308358e edid: parse analog and digital flags in DTDs 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-03 18:49:00 +00:00
Simon Ser
f11ec2b9ab edid: parse DTD signal type 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-03 18:49:00 +00:00
Simon Ser
0e3f4cedbf edid: fix product year < 2006 in EDID 1.3 
EDID 1.4 forbids years < 2006, but EDID 1.3 allows them.

Error out when an EDID uses a reserved value. Correctly parse the
year on older EDID revisions.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-03 18:49:00 +00:00
Simon Ser
21f7fe66a0 test/data: add sun-gh19ps-dvi 
It contains unusual DTD flags, a manufacture year we don't parse
correctly yet, and GTF support.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-03 18:49:00 +00:00
Simon Ser
44963edc4c cta: parse colorimetry data blocks 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-02 22:21:19 +02:00
Simon Ser
1ce9128701 di-edid-decode: exit with non-zero code on conformance failure 
Upstream edid-decode does the same.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-02 21:48:52 +02:00
Simon Ser
3b64049622 di-edid-decode: print failure message 
Mirror upstream edid-decode.

samsung-s27a950d-dp and hp-5dq99aa-hdmi are missing some failures
about features we haven't implemented yet. panasonic-mei96a2-dp
has a bogus "Missing Display Product Name" failure, see [1].

[1]: https://lore.kernel.org/linux-media/20220802093219.30599-1-contact@emersion.fr/T/#u

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-02 21:48:01 +02:00
Simon Ser
79e0ac2dd4 test: include edid-decode failure messages in diffs 
This will allow us to check that we find the same failures as
upstream edid-decode.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-02 21:47:35 +02:00
Simon Ser
4f4aa025cf edid: add display range limits type 
This is a bit messy because the values depend on various misc flags
defined earlier in the spec, and the meaning changes between EDID 1.3
and 1.4. On top of that edid-decode prints something confusing in the
EDID 1.3 case.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-02 20:07:08 +02:00
Simon Ser
e047d89f94 cta: add support for enumerating data blocks 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-01 16:41:59 +02:00
Simon Ser
67af3033ee cta: add support for misc flags 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-01 16:41:59 +02:00
Simon Ser
afdacff9f8 cta: introduce new API for CTA-861 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-01 16:41:33 +02:00
Simon Ser
b22dcc8af8 edid: add di_edid_standard_timing_get_dmt_id 
This returns the DMT ID of an EDID standard timing, if any.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-08-01 14:35:33 +00:00
Simon Ser
fed3a18b64 edid: add support for chromaticity coordinates 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-21 16:14:52 +02:00
Simon Ser
2b6f3804a0 edid: parse standard timings 
The edid-decode output uses data from the DMT, so we're not able
to replicate it yet.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-21 16:07:52 +02:00
Simon Ser
669bdac3c8 edid: parse display color type 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-21 12:48:49 +00:00
Simon Ser
197c5f5ee1 edid: parse interlaced/stereo flags from DTDs 
The analog/digital flags are left for a future patch.

A join_str() function is introduced in di-edid-decode: upstream
edid-decode uses a comma-separated list with a handful of other
flags.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-17 11:22:09 +02:00
Simon Ser
3d0f36c528 test/data: add samsung-s27a950d-dp 
This EDID contains DTDs with the stereo flag set, and audio blocks
in the CTA extension.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-17 11:17:48 +02:00
Simon Ser
c8b9b8f42d edid: parse display range limits descriptor 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-15 17:29:33 +02:00
Simon Ser
58b10d9048 di-edid-decode: compute DTD aspect ratio 
Upstream edid-decode computes the aspect ratio for detailed
timing definitions.

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-15 11:43:23 +02:00
Simon Ser
13a9287e40 edid: add support for detailed timing definitions 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-14 16:37:57 +02:00
Simon Ser
65dbc3fbbf test: add panasonic-mei96a2-dp EDID 
This adds coverage for two untested code-paths:

- Unset "Serial Number"
- "Model year" instead of "Made in"

This EDID blob comes from Digital/Panasonic/MEI96A2/7CA47BE65E1E [1]
in the linuxhw EDID repository.

[1]: https://github.com/linuxhw/EDID/blob/master/Digital/Panasonic/MEI96A2/7CA47BE65E1E

Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-10 14:05:12 +02:00
Simon Ser
10435a83e8 edid: parse other feature support flags 
Signed-off-by: Simon Ser <contact@emersion.fr>
 2022-06-10 11:49:20 +00:00