Re: HDR Support in KDE

[Stephen Morris <steve.morris.au@xxxxxxxxx>]

On 16/10/24 20:51, Barry Scott wrote:

Do you use the monitor with windows and if so does it need a monitor specific driver to activate HDR in Windows or does it work with the Generic driver?
In my case I need a BENQ EL2870U driver to get HDR enabled in Windows.

> What
>       is the EDID for your monitor report?
    kscreen-doctor
        -o
      
      Output:
      1
        HDMI-A-1
      
             enabled
      
             connected
      
             priority
        1
      
             HDMI
      
             Modes:
       1:3840x2160@60*!
         2:3840x2160@60  3:3840x2160@50  4:3840x2160@30  5:3840x2160@25
         6:3840x2160@24  7:3840x2160@24  8:2560x1440@60  9:1920x1080@60
         10:1920x1080@60  11:1920
      x1080@50  12:1920x1080@30  13:1920x1080@25  14:1920x1080@24
       15:1600x1200@60  16:1680x1050@60  17:1600x900@60  18:1280x1024@75
       19:1280x1024@60  20:1280x800@60  21:1280x720@60  22:1280x7
      20@60  23:1280x720@50  24:1024x768@75  25:1024x768@60
       26:1440x480@60  27:800x600@75  28:800x600@60  29:720x576@50
       30:720x480@60  31:640x480@75  32:640x480@60  33:640x480@60  
             Geometry:
      0,0
        2560x1440
      
             Scale:
      1.5
      
             Rotation:
      1
      
             Overscan:
      0
      
             Vrr:
      incapable
      
             RgbRange:
      unknown
      
             HDR:
      enabled
      
                     SDR
        brightness: 200 nits
      
                     SDR
        gamut wideness: 0%
      
                     Peak
        brightness: 351 nits
      
                     Max
        average brightness: 302 nits
      
                     Min
        brightness: 0.2498 nits
      
             Wide
        Color Gamut: incapable
      
             ICC
        profile: /usr/share/color/icc/colord/sRGB.icc
      
             Color
        profile source: ICC
      
             Brightness
        control: supported, set
        to 100%
      
      
    did-decode
        /sys/class/drm/card1/card1-HDMI-A-1/device/card1-HDMI-A-1/edid
    Block 0, Base
        EDID:
      
       EDID Structure Version & Revision: 1.3
      
       Vendor & Product Identification:
      
         Manufacturer: BNQ
      
         Model: 31049
      
         Serial Number: 21573 (0x00005445)
      
         Made in: week 24 of 2018
      
       Basic Display Parameters & Features:
      
         Digital display
      
         Maximum image size: 62 cm x 34 cm
      
         Gamma: 2.20
      
         DPMS levels: Off
      
         RGB color display
      
         Default (sRGB) color space is primary color space
      
         First detailed timing is the preferred timing
      
    
    
    regards,
    Steve

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