本帖最后由 lh7q 于 2022-12-15 14:45 编辑
看来大概率是主板bios的锅了,4K以下的edid大小应该256字节,4K以上的edid大小是512字节,扩展信息(displayid)在后256字节,初始化分辨率不正常的,应该是后256字节没有读取造成的?
而nvidia有一个displayid的固件补丁,是用于修正bios及引导界面黑屏,这个补丁应该就是让显卡正确读取后256字节的edid信息?
附上sutdio display的edid信息:
- edid-decode (hex):
- 00 ff ff ff ff ff ff 00 06 10 3a ae e9 88 db 08
- 07 20 01 04 c5 3c 21 78 00 0f 91 ae 52 43 b0 26
- 0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
- 01 01 01 01 01 01 b7 ce 00 50 f0 70 5a 80 08 20
- c8 00 53 4f 21 00 00 1a d0 5c 00 50 a0 a0 3c 50
- 08 20 e8 08 53 4f 21 00 00 1a bc 34 80 50 70 38
- 2d 40 08 20 f8 04 53 4f 21 00 00 1a 00 00 00 fc
- 00 53 74 75 64 69 6f 44 69 73 70 6c 61 79 03 36
- 02 03 0f 80 e3 05 00 00 e6 06 01 01 73 73 00 70
- bc 00 78 a0 40 78 b0 08 20 a8 08 00 00 00 00 00
- 1a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12
- 70 12 79 00 00 29 00 10 9f ed d1 90 92 5f 49 a3
- 80 fb dd 73 f3 5d 83 99 01 00 0c 40 17 14 0d 00
- 14 40 0b 10 78 4e bb 7f 81 07 00 10 fa 04 01 00
- 00 12 00 16 82 10 00 00 ff 09 3f 0b 00 00 00 00
- 00 41 50 50 3b ae e9 88 db 08 7e 00 05 3a 02 92
- 81 00 7e 00 10 00 10 fa 05 01 01 00 60 c0 d2 ff
- 55 00 10 00 10 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 af 90
- 70 12 79 00 00 03 00 14 9f 6d 01 84 ff 13 4f 00
- 07 80 1f 00 3f 0b 77 00 69 00 07 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 95 90
- ----------------
- Block 0, Base EDID:
- EDID Structure Version & Revision: 1.4
- Vendor & Product Identification:
- Manufacturer: APP
- Model: 44602
- Serial Number: 148605161
- Made in: week 7 of 2022
- Basic Display Parameters & Features:
- Digital display
- Bits per primary color channel: 12
- DisplayPort interface
- Maximum image size: 60 cm x 33 cm
- Gamma: 2.20
- Supported color formats: RGB 4:4:4
- First detailed timing does not include the native pixel format and preferred refresh rate
- Color Characteristics:
- Red : 0.6796, 0.3203
- Green: 0.2646, 0.6904
- Blue : 0.1503, 0.0595
- White: 0.3125, 0.3291
- Established Timings I & II: none
- Standard Timings: none
- Detailed Timing Descriptors:
- DTD 1: 3840x2160 59.999 Hz 16:9 134.997 kHz 529.190 MHz (595 mm x 335 mm)
- Hfront 8 Hsync 32 Hback 40 Hpol P
- Vfront 12 Vsync 8 Vback 70 Vpol N
- DTD 2: 2560x1440 60.000 Hz 16:9 90.000 kHz 237.600 MHz (595 mm x 335 mm)
- Hfront 8 Hsync 32 Hback 40 Hpol P
- Vfront 46 Vsync 8 Vback 6 Vpol N
- DTD 3: 1920x1080 60.000 Hz 16:9 67.500 kHz 135.000 MHz (595 mm x 335 mm)
- Hfront 8 Hsync 32 Hback 40 Hpol P
- Vfront 31 Vsync 8 Vback 6 Vpol N
- Display Product Name: 'StudioDisplay'
- Extension blocks: 3
- Checksum: 0x36
- ----------------
- Block 1, CTA-861 Extension Block:
- Revision: 3
- Underscans IT Video Formats by default
- Native detailed modes: 0
- Colorimetry Data Block:
- HDR Static Metadata Data Block:
- Electro optical transfer functions:
- Traditional gamma - SDR luminance range
- Supported static metadata descriptors:
- Static metadata type 1
- Desired content max luminance: 115 (603.666 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)
- Detailed Timing Descriptors:
- DTD 4: 2560x2880 60.000 Hz 8:9 180.000 kHz 482.400 MHz
- Hfront 8 Hsync 32 Hback 80 Hpol P
- Vfront 42 Vsync 8 Vback 70 Vpol N
- Checksum: 0x12
- ----------------
- Block 2, DisplayID Extension Block:
- Version: 1.2
- Extension Count: 0
- Display Product Type: Extension Section
- ContainerID Data Block:
- 9fedd190-925f-49a3-80fb-dd73f35d8399
- Display Parameters Data Block (0x01):
- Image size: 595.2 mm x 334.8 mm
- Pixels: 5120 x 2880
- Feature support flags:
- Power management (DPM)
- Gamma: 2.20
- Aspect ratio: 1.78
- Dynamic bpc native: 12
- Dynamic bpc overall: 12
- Vendor-Specific Data Block (Apple):
- 00 10 fa 04 01 00 00 '.......'
- Tiled Display Topology Data Block (0x12):
- Capabilities:
- Behavior if it is the only tile: Image is scaled to fit the entire tiled display
- Behavior if more than one tile and fewer than total number of tiles: Undefined
- Tiled display consists of a single physical display enclosure
- Num horizontal tiles: 2 Num vertical tiles: 1
- Tile location: 0, 0
- Tile resolution: 2560x2880
- Tiled Display Manufacturer/Vendor ID: APP
- Tiled Display Product ID Code: 44603
- Tiled Display Serial Number: 148605161
- Unknown DisplayID Data Block (0x7e):
- 3a 02 92 81 00 ':....'
- Unknown DisplayID Data Block (0x7e):
- 00 10 fa 05 01 01 00 60 c0 d2 ff 55 00 10 00 10 '.......`...U....'
- Checksum: 0xaf
- Checksum: 0x90
- ----------------
- Block 3, DisplayID Extension Block:
- Version: 1.2
- Extension Count: 0
- Video Timing Modes Type 1 - Detailed Timings Data Block:
- DTD: 5120x2880 60.000 Hz 16:9 180.000 kHz 936.000 MHz (aspect 16:9, no 3D stereo, preferred)
- Hfront 8 Hsync 32 Hback 40 Hpol P
- Vfront 106 Vsync 8 Vback 6 Vpol N
- Checksum: 0x95
- Checksum: 0x90
复制代码
- BCDedit /set HIGHESTMODE 1
复制代码
另外,windows下使用bcdedit命令,可以将开机界面设置到4k分辨率,只是主板logo会到左上角, GRUB或者其他黑苹果引导工具可设置的最高分辨率也是4k,这个分辨率跟edid信息的Block 0里的数据吻合。。。 |