Unable to Activate HDR

Here’s my EDID info. I’ll paste the entire block, but if you scroll to the bottom, you’ll see the HDR section:

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: SDC
    Model: 16815
    Made in: 2023
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 10
    DisplayPort interface
    Maximum image size: 34 cm x 22 cm
    Gamma: 2.20
    Supported color formats: RGB 4:4:4
    First detailed timing includes the native pixel format and preferred refresh rate
    Display supports continuous frequencies
  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   60.000699 Hz  16:10   218.883 kHz    652.270000 MHz (344 mm x 215 mm)
                 Hfront   32 Hsync   8 Hback   60 Hpol P
                 Vfront    8 Vsync   8 Vback 1832 Vpol N
    Display Range Limits:
      Monitor ranges (Range Limits Only): 48-120 Hz V, 218-218 kHz H, max dotclock 660 MHz
    Empty Descriptor
    Display Product Name: 'ATNA60CL10-0 '
  Extension blocks: 1
Checksum: 0xd6

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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 4C-83-00:
    Product Code: 16815
    Year of Manufacture: 2033
  Display Parameters Data Block (0x21):
    Image size: 340.0 mm x 220.0 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
    Feature Caps: 0x03
    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)