This has me scratching my head at the moment. I have recently bought a HP ZBook Fury 16 G10 laptop and wanted to use it with my Samsung G95NV 57" display (7680x2160p sweetness). Both the display and the laptop both have HDMI 2.1 as standard.
Yet when I start up Wayland, it puts me into 3840x1080p. There is 3840x2160p but that looks terribly squashed and stretched. I've investigated and I think Wayland doesn't correctly parse the display's EDID parameters otherwise it'd be 7860x2160p.
Here's the EDID output (via edid-decode)
Code: Select all
edid-decode (hex):
00 ff ff ff ff ff ff 00 4c 2d d1 73 30 51 51 30
33 22 01 03 80 8c 28 78 2a 4e d5 ae 4e 45 aa 27
0e 50 54 25 cf 00 71 4f 81 c0 81 00 81 80 95 00
a9 c0 b3 00 d1 c0 1a 68 00 a0 f0 38 1f 40 30 20
3a 00 78 90 51 00 00 1a 00 00 00 fd 00 1e 78 1e
ff df 00 0a 20 20 20 20 20 20 00 00 00 fc 00 4f
64 79 73 73 65 79 20 47 39 35 4e 43 00 00 00 ff
00 48 4e 54 58 43 30 30 31 32 34 0a 20 20 01 61
02 03 57 f0 e2 78 02 47 61 76 10 04 5f 3f 03 23
09 07 07 83 01 00 00 e2 00 4f e3 05 c0 00 6b 03
0c 00 10 00 b8 44 28 00 20 01 6d d8 5d c4 01 78
80 4b 02 00 00 c3 46 1d 6d 1a 00 00 02 0f 30 78
e9 00 00 00 00 00 e6 06 05 01 8b 73 00 e3 0f 03
00 e5 01 8b 84 90 79 56 5e 00 a0 a0 a0 29 50 30
20 35 00 b9 88 21 00 00 1a 6f c2 00 a0 a0 a0 55
50 30 20 35 00 b9 88 21 00 00 1a 00 00 00 00 7c
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.3
Vendor & Product Identification:
Manufacturer: SAM
Model: 29649
Serial Number: 810635568 (0x30515130)
Made in: week 51 of 2024
Basic Display Parameters & Features:
Digital display
Maximum image size: 140 cm x 40 cm
Gamma: 2.20
DPMS levels: Off
RGB color display
First detailed timing is the preferred timing
Color Characteristics:
Red : 0.6806, 0.3046
Green: 0.2724, 0.6660
Blue : 0.1552, 0.0556
White: 0.3134, 0.3291
Established Timings I & II:
DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
DMT 0x06: 640x480 75.000000 Hz 4:3 37.500 kHz 31.500000 MHz
DMT 0x09: 800x600 60.316541 Hz 4:3 37.879 kHz 40.000000 MHz
DMT 0x0a: 800x600 72.187572 Hz 4:3 48.077 kHz 50.000000 MHz
DMT 0x0b: 800x600 75.000000 Hz 4:3 46.875 kHz 49.500000 MHz
DMT 0x10: 1024x768 60.003840 Hz 4:3 48.363 kHz 65.000000 MHz
DMT 0x11: 1024x768 70.069359 Hz 4:3 56.476 kHz 75.000000 MHz
DMT 0x12: 1024x768 75.028582 Hz 4:3 60.023 kHz 78.750000 MHz
DMT 0x24: 1280x1024 75.024675 Hz 5:4 79.976 kHz 135.000000 MHz
Standard Timings:
DMT 0x15: 1152x864 75.000000 Hz 4:3 67.500 kHz 108.000000 MHz
DMT 0x55: 1280x720 60.000000 Hz 16:9 45.000 kHz 74.250000 MHz
DMT 0x1c: 1280x800 59.810326 Hz 16:10 49.702 kHz 83.500000 MHz
DMT 0x23: 1280x1024 60.019740 Hz 5:4 63.981 kHz 108.000000 MHz
DMT 0x2f: 1440x900 59.887445 Hz 16:10 55.935 kHz 106.500000 MHz
DMT 0x53: 1600x900 60.000000 Hz 16:9 60.000 kHz 108.000000 MHz (RB)
DMT 0x3a: 1680x1050 59.954250 Hz 16:10 65.290 kHz 146.250000 MHz
DMT 0x52: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz
Detailed Timing Descriptors:
DTD 1: 3840x1080 59.968497 Hz 32:9 66.625 kHz 266.500000 MHz (1400 mm x 400 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 10 Vback 18 Vpol N
Display Range Limits:
Monitor ranges (GTF): 30-120 Hz V, 30-255 kHz H, max dotclock 2230 MHz
Display Product Name: 'Odyssey G95NC'
Display Product Serial Number: 'HNTXC00124'
Extension blocks: 1
Checksum: 0x61
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Underscans IT Video Formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
Native detailed modes: 0
HDMI Forum EDID Extension Override Data Block:
EDID Extension Block Count: 2
Video Data Block:
VIC 97: 3840x2160 60.000000 Hz 16:9 135.000 kHz 594.000000 MHz
VIC 118: 3840x2160 120.000000 Hz 16:9 270.000 kHz 1188.000000 MHz
VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz
VIC 4: 1280x720 60.000000 Hz 16:9 45.000 kHz 74.250000 MHz
VIC 95: 3840x2160 30.000000 Hz 16:9 67.500 kHz 297.000000 MHz
VIC 63: 1920x1080 120.000000 Hz 16:9 135.000 kHz 297.000000 MHz
VIC 3: 720x480 59.940060 Hz 16:9 31.469 kHz 27.000000 MHz
Audio Data Block:
Linear PCM:
Max channels: 2
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 24 20 16
Speaker Allocation Data Block:
FL/FR - Front Left/Right
Video Capability Data Block:
YCbCr quantization: No Data
RGB quantization: Selectable (via AVI Q)
PT scan behavior: No Data
IT scan behavior: Supports both over- and underscan
CE scan behavior: Supports both over- and underscan
Colorimetry Data Block:
BT2020YCC
BT2020RGB
Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
Source physical address: 1.0.0.0
Supports_AI
DC_36bit
DC_30bit
DC_Y444
Maximum TMDS clock: 340 MHz
Supported Content Types:
Game
Extended HDMI video details:
HDMI VICs:
HDMI VIC 1: 3840x2160 30.000000 Hz 16:9 67.500 kHz 297.000000 MHz
Vendor-Specific Data Block (HDMI Forum), OUI C4-5D-D8:
Version: 1
Maximum TMDS Character Rate: 600 MHz
SCDC Present
Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6 and 8 Gbps on 4 lanes
Supports UHD VIC
Supports 12-bits/component Deep Color 4:2:0 Pixel Encoding
Supports 10-bits/component Deep Color 4:2:0 Pixel Encoding
Supports Auto Low-Latency Mode
Supports VESA DSC 1.2a compression
Supports Compressed Video Transport for 4:2:0 Pixel Encoding
Supports 12 bpc Compressed Video Transport
Supports 10 bpc Compressed Video Transport
DSC Max Slices: up to 12 slices and up to (400 MHz/Ksliceadjust) pixel clock per slice
DSC Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6 and 8 Gbps on 4 lanes
Maximum number of bytes in a line of chunks: 30720
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 2
Feature Caps: 0x0f
Minimum Refresh Rate: 48 Hz
Maximum Refresh Rate: 120 Hz
Flags 1.x: 0xe9 (MCCS)
Flags 2.x: 0x00
Maximum luminance: 0 (50.000 cd/m^2)
Minimum luminance: 0 (0.000 cd/m^2)
Unknown: 0x00 0x00
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: 139 (1015.241 cd/m^2)
Desired content max frame-average luminance: 115 (603.666 cd/m^2)
Desired content min luminance: 0 (0.000 cd/m^2)
YCbCr 4:2:0 Capability Map Data Block:
VIC 97: 3840x2160 60.000000 Hz 16:9 135.000 kHz 594.000000 MHz
VIC 118: 3840x2160 120.000000 Hz 16:9 270.000 kHz 1188.000000 MHz
Vendor-Specific Video Data Block (HDR10+), OUI 90-84-8B:
Application Version: 1
Full Frame Peak Luminance Index: 2
Peak Luminance Index: 7
Detailed Timing Descriptors:
DTD 2: 2560x1440 59.950550 Hz 16:9 88.787 kHz 241.500000 MHz (697 mm x 392 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 33 Vpol N
DTD 3: 2560x1440 119.997589 Hz 16:9 182.996 kHz 497.750000 MHz (697 mm x 392 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 77 Vpol N
Checksum: 0x7c Unused space in Extension Block: 4 bytes
Any ideas what else I can try to fix this issue?