Hello,
I get the following error message in the KDE Info Center (CachyOS, Plasma 6.6.1):
Failures:
Block 1, CTA-861 Extension Block:
Vendor-Specific Video Data Block (HDR10+), OUI 90-84-8B: Peak luminance index 0 is reserved.
EDID conformity: FAIL
The complete output:
# card1-DP-3 #######################
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: SAM
Model: 29100
Serial Number: 809976648 (0x30474348)
Made in: week 41 of 2022
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 10
DisplayPort interface
Maximum image size: 119 cm x 34 cm
Gamma: 2.20
DPMS levels: Off
Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2
First detailed timing includes the native pixel format and preferred refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.6943, 0.2929
Green: 0.2744, 0.6591
Blue : 0.1484, 0.0566
White: 0.3134, 0.3291
Established Timings I & II:
IBM : 720x400 70.081663 Hz 9:5 31.467 kHz 28.320000 MHz
DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
Apple : 640x480 66.666667 Hz 4:3 35.000 kHz 30.240000 MHz
DMT 0x05: 640x480 72.808802 Hz 4:3 37.861 kHz 31.500000 MHz
DMT 0x06: 640x480 75.000000 Hz 4:3 37.500 kHz 31.500000 MHz
DMT 0x08: 800x600 56.250000 Hz 4:3 35.156 kHz 36.000000 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
Apple : 832x624 74.551266 Hz 4:3 49.726 kHz 57.284000 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
Apple : 1152x870 75.061550 Hz 192:145 68.681 kHz 100.000000 MHz
Standard Timings:
DMT 0x15: 1152x864 75.000000 Hz 4:3 67.500 kHz 108.000000 MHz
DMT 0x1c: 1280x800 59.810326 Hz 16:10 49.702 kHz 83.500000 MHz
DMT 0x55: 1280x720 60.000000 Hz 16:9 45.000 kHz 74.250000 MHz
DMT 0x23: 1280x1024 60.019740 Hz 5:4 63.981 kHz 108.000000 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 0x2f: 1440x900 59.887445 Hz 16:10 55.935 kHz 106.500000 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 (1193 mm x 336 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 10 Vback 18 Vpol N
Display Range Limits:
Monitor ranges (Range Limits Only): 96-240 Hz V, 357-357 kHz H, max dotclock 1940 MHz
Display Product Name: 'LS49AG95'
Display Product Serial Number: 'HNTTA00111'
Extension blocks: 2
Checksum: 0x00
----------------
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
Video Data Block:
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
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
Colorimetry Data Block:
BT2020YCC
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: 139 (1015.241 cd/m^2)
Desired content max frame-average luminance: 115 (603.666 cd/m^2)
Desired content min luminance: 2 (0.001 cd/m^2)
Vendor-Specific Video Data Block (HDR10+), OUI 90-84-8B:
Application Version: 1
Full Frame Peak Luminance Index: 0
Peak Luminance Index: 0
Detailed Timing Descriptors:
DTD 2: 3840x1080 59.968497 Hz 32:9 66.625 kHz 266.500000 MHz (1193 mm x 336 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 10 Vback 18 Vpol N
DTD 3: 2560x1440 59.950550 Hz 16:9 88.787 kHz 241.500000 MHz (1193 mm x 336 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 33 Vpol N
DTD 4: 1920x1080 239.758794 Hz 16:9 268.770 kHz 548.290000 MHz (1193 mm x 336 mm)
Hfront 28 Hsync 32 Hback 60 Hpol P
Vfront 27 Vsync 8 Vback 6 Vpol N
Checksum: 0xf4
----------------
Block 2, DisplayID Extension Block:
Version: 1.2
Display Product Type: Extension Section
Video Timing Modes Type 1 - Detailed Timings Data Block:
DTD: 5120x1440 239.760523 Hz 0:0 356.524 kHz 1939.490000 MHz (aspect undefined, no 3D stereo, preferred)
Hfront 128 Hsync 32 Hback 160 Hpol P
Vfront 33 Vsync 8 Vback 6 Vpol N
DTD: 5120x1440 59.976879 Hz 0:0 88.826 kHz 469.000000 MHz (aspect undefined, no 3D stereo)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 10 Vback 28 Vpol N
DTD: 2560x1440 239.900693 Hz 0:0 355.773 kHz 939.240000 MHz (aspect undefined, no 3D stereo)
Hfront 8 Hsync 32 Hback 40 Hpol P
Vfront 33 Vsync 8 Vback 2 Vpol N
DTD: 3840x1080 239.969136 Hz 0:0 291.562 kHz 1166.250000 MHz (aspect undefined, no 3D stereo)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 10 Vback 122 Vpol N
Checksum: 0x90
----------------
Failures:
Block 1, CTA-861 Extension Block:
Vendor-Specific Video Data Block (HDR10+), OUI 90-84-8B: Peak luminance index 0 is reserved.
EDID conformity: FAIL
Is this something serious that needs to be addressed?
I use an NVIDIA 4090 and a Samsung Odyssey G9 Neo via DisplayPort (5120x1440, 240 Hz) with HDR enabled.