https://bugs.kde.org/show_bug.cgi?id=524782
Bug ID: 524782
Summary: Wrong Dolby Vision EDID data processing
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: unspecified
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
DESCRIPTION
Currently we always use standard color description data in HDR when no ICC is
set. However in tests of LG G5 TV on windows, it shows that when HDR is
enabled, Dolby Vision EDID‘s color gamut data is actually used, and standard
EDID color gamut data is only used in SDR. So we need to change the metadata
used in HDR to get actually accurate result.
EDID dump:
00ff ffff ffff ff00 1e6d cd83 0101 0101
0123 0103 80a0 5a78 0aee 91a3 544c 9926
0f50 54a1 0800 3140 4540 6140 7140 8180
d1c0 0101 0101 08e8 0030 f270 5a80 b058
8a00 4084 6300 001e 6fc2 00a0 a0a0 5550
3020 3500 4084 6300 001e 0000 00fd 0018
781e ff77 000a 2020 2020 2020 0000 00fc
004c 4720 5456 2053 5343 5232 0a20 0199
0203 74f1 5d61 6076 7566 65db da10 1f04
1305 1403 0212 2021 2215 5d5e 5f62 6364
3f40 2c09 5707 1507 5057 0701 6704 076e
030c 0020 00b8 442c 0080 0102 0304 6dd8
5dc4 0178 8068 4728 78d3 3305 e200 cfe3
05c0 00e3 060d 01e2 0f00 6d1a 0000 0201
2878 0000 0000 0000 eb01 46d0 0048 02b4
7e68 8685 0000 0000 0000 0000 0000 0029
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