Double checked edid and I agree that what I have does look identical.
I've included a bit of extra info in case I'm capturing the wrong thing.
Happy to do further steps if what I've captured is wrong.
kernel command line:
Command line: BOOT_IMAGE=/vmlinuz-6.14.0-1008-oem
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash pcie_aspm=off
drm.debug=0xe log_buf_len=4Mi amdgpu.dcdebugmask=0x8000 vt.handoff=7
edid decode, incl command line:
/sys/class/drm/card1-eDP-1$ edid-decode - < edid
edid-decode (hex):
00 ff ff ff ff ff ff 00 4c 83 b3 41 a1 ff 00 00
00 22 01 04 b5 1e 13 78 03 cf d1 ae 51 3e b6 23
0b 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 cb fe 40 64 b0 08 18 70 20 08
88 00 2e bd 10 00 00 1b cb fe 40 64 b0 08 c8 7a
20 08 88 00 2e bd 10 00 00 1b 00 00 00 fd 00 30
78 da da 42 01 00 00 00 00 00 00 00 00 00 00 02
00 00 00 00 19 96 c8 3a 15 46 c8 00 00 00 01 93
70 20 79 02 00 20 00 0c ba 41 59 b3 41 00 00 00
00 00 18 00 21 00 1d b8 0b 6c 07 40 0b 08 07 00
ee ea 50 ec d3 b6 3d 42 0b 01 45 54 40 5e d0 60
18 10 23 78 26 00 09 07 06 03 00 00 00 50 00 00
22 00 14 e7 f3 09 85 3f 0b 63 00 1f 00 07 00 07
07 17 00 07 00 07 00 81 00 1f 73 1a 00 00 03 03
30 78 00 a0 74 02 60 02 78 00 00 00 00 8d e3 05
80 00 e6 06 05 01 74 60 02 00 00 00 00 00 fe 90
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: SDC
Model: 16819
Serial Number: 65441
Made in: 2024
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 10
DisplayPort interface
Maximum image size: 30 cm x 19 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred
refresh rate
Display is continuous frequency
Color Characteristics:
Red : 0.6826, 0.3164
Green: 0.2451, 0.7138
Blue : 0.1396, 0.0439
White: 0.3125, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 2880x1800 120.001398 Hz 8:5 218.883 kHz 652.270000 MHz
(302 mm x 189 mm)
Hfront 32 Hsync 8 Hback 60 Hpol P
Vfront 8 Vsync 8 Vback 8 Vpol N
DTD 2: 2880x1800 48.000559 Hz 8:5 218.883 kHz 652.270000 MHz
(302 mm x 189 mm)
Hfront 32 Hsync 8 Hback 60 Hpol P
Vfront 8 Vsync 8 Vback 2744 Vpol N
Display Range Limits:
Monitor ranges (Bare Limits): 48-120 Hz V, 218-218 kHz H, max dotclock
660 MHz
Manufacturer-Specified Display Descriptor (0x02): 00 02 00 00 00 00 19 96
c8 3a 15 46 c8 00 00 00 '.........:.F....'
Extension blocks: 1
Checksum: 0x93
----------------
Block 1, DisplayID Extension Block:
Version: 2.0
Extension Count: 0
Display Product Primary Use Case: None of the listed primary use cases;
generic display
Product Identification Data Block (0x20), OUI BA-41-59:
Product Code: 16819
Year of Manufacture: 2024
Display Parameters Data Block (0x21):
Image size: 300.0 mm x 190.0 mm
Display native pixel format: 2880x1800
Scan Orientation: Left to Right, Top to Bottom
Luminance Information: Minimum guaranteed value
Color Information: CIE 1931
Audio Speaker Information: integrated
Native Color Chromaticity:
Primary #1: (0.683105, 0.315918)
Primary #2: (0.245117, 0.714111)
Primary #3: (0.139893, 0.043945)
White Point: (0.312744, 0.329102)
Native Maximum Luminance (Full Coverage): 400.000000 cd/m^2
Native Maximum Luminance (10% Rectangular Coverage): 616.000000 cd/m^2
Native Minimum Luminance: 0.000500 cd/m^2
Native Color Depth: 12 bpc
Display Device Technology: Organic LED
Native Gamma EOTF: 2.20
Display Interface Features Data Block:
Supported bpc for RGB encoding: 6, 8, 10
Supported bpc for YCbCr 4:4:4 encoding: 8, 10
Supported bpc for YCbCr 4:2:2 encoding: 8, 10
Supported color space and EOTF standard combination 1: DCI-P3,
BT.2020/SMPTE ST 2084
Video Timing Modes Type 7 - Detailed Timings Data Block:
DTD: 2880x1800 120.000294 Hz 16:10 218.881 kHz 652.264000 MHz
(aspect 16:10, no 3D stereo, preferred)
Hfront 32 Hsync 8 Hback 60 Hpol N
Vfront 8 Vsync 8 Vback 8 Vpol N
CTA-861 DisplayID Data Block:
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 3.3
Minimum Refresh Rate: 48 Hz
Maximum Refresh Rate: 120 Hz
Flags 1.x: 0x00
Flags 2.x: 0xa0
Maximum luminance: 116 (616.884 cd/m^2)
Minimum luminance: 2 (0.000 cd/m^2)
Unknown: 0x60 0x02
Colorimetry Data Block:
BT2020RGB
HDR Static Metadata Data Block:
Electro optical transfer functions:
Traditional gamma - SDR luminance range
SMPTE ST2084
Supported static metadata descriptors:
Static metadata type 1
Desired content max luminance: 116 (616.884 cd/m^2)
Desired content max frame-average luminance: 96 (400.000 cd/m^2)
Desired content min luminance: 2 (0.000 cd/m^2)
Checksum: 0xfe
Checksum: 0x90
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Title:
AMDGPU: Main laptop screen flashes regularly
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