Bigscreen Beyond virtual reality headset not recognized as non-desktop display

Bigscreen Beyond is a fairly new PC VR headset. As it is a head-mounted display it should be a non-desktop display.

See SteamVR issue

Patch: https://lists.freedesktop.org/archives/dri-devel/2024-May/454244.html

edid-decode (hex):

00 ff ff ff ff ff ff 00 09 27 34 12 d2 04 00 00
ff 20 01 04 a5 00 00 78 00 78 75 aa 55 3b b2 29
10 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 00 00 00 10 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 10 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 10 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
00 42 65 79 6f 6e 64 0a 20 20 20 20 20 20 01 5b

70 20 79 07 00 22 09 14 1e f5 0a 88 ff 0e ff 00
3f 80 1f 00 7f 07 1b 00 0e 80 01 00 7e 00 07 3a
02 92 81 00 08 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 86 90

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: BIG
    Model: 4660
    Serial Number: 1234 (0x000004d2)
    Model year: 2022
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 8
    DisplayPort interface
    Image size is variable
    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  : 0.6650, 0.3349
    Green: 0.2324, 0.6953
    Blue : 0.1611, 0.0654
    White: 0.3134, 0.3291
  Established Timings I & II: none
  Standard Timings: none
  Detailed Timing Descriptors:
    Dummy Descriptor:
    Dummy Descriptor:
    Dummy Descriptor:
    Display Product Name: 'Beyond'
  Extension blocks: 1
Checksum: 0x5b

----------------

Block 1, DisplayID Extension Block:
  Version: 2.0
  Extension Count: 0
  Display Product Primary Use Case: Head-mounted Virtual Reality (VR) display
  Video Timing Modes Type 7 - Detailed Timings Data Block:
    These timings support DSC pass-through
    DTD:  3840x1920   90.000035 Hz   0:0    175.320 kHz    718.111000 MHz (aspect undefined, no 3D stereo, preferred)
               Hfront   64 Hsync  32 Hback  160 Hpol P
               Vfront   15 Vsync   2 Vback   11 Vpol P
  Vendor-Specific Data Block (0x7e) (VESA), OUI 3A-02-92:
    Data Structure Type: DP
    Default Colorspace and EOTF Handling: Native as specified in the Display Parameters DB
    Number of Pixels in Hor Pix Cnt Overlapping an Adjacent Panel: 0
    Multi-SST Operation: Not Supported
    Pass through timing's target DSC bits per pixel: 8.0000
  Checksum: 0x86
Checksum: 0x90