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Aspect scaling not working with HD4600 + DP ?

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Peter Ganzhorn's picture
Starter
Peter Ganzhorn

Oct 17, 2014 - 04:15am

  • Aspect scaling seems to be broken with the following configuration:

    Hardware:

    Intel Core i7-4790K (HD4600)

    Display connected via DisplayLink -> DP-to-DVI converter -> DVI-Port of display

    Mainboard: Asus Sabertooth Mark2 (Z97) if of any interest.

     

    Software:

    Arch Linux

    Kernel 3.17

    xf86-video-intel 2.99.916

    xorg-server 1.16.1

    libxrandr 1.4.2

     

    Here's what xrandr tells me:

    $ xrandr --props
    Screen 0: minimum 320 x 200, current 2560 x 1600, maximum 8192 x 8192
    VGA1 disconnected (normal left inverted right x axis y axis)
    DP1 connected 2560x1600+0+0 (normal left inverted right x axis y axis) 646mm x 406mm
            EDID: 
                    00ffffffffffff004c2d360230335548
                    151101038040287828fe87a3574a9c25
                    13505400000001010101010101010101
                    010101010101bc1b00a0502017303020
                    360086962100001ab06800a0a0402e60
                    3020360086962100001a000000fc0053
                    796e634d61737465720a2020000000ff
                    00485335503530303530380a2020005a
            Broadcast RGB: Automatic 
                    supported: Automatic, Full, Limited 16:235
            audio: auto 
                    supported: force-dvi, off, auto, on
       2560x1600     59.86* 
       1280x800      59.91  
    HDMI1 disconnected (normal left inverted right x axis y axis)
            aspect ratio: Automatic 
                    supported: Automatic, 4:3, 16:9
            Broadcast RGB: Automatic 
                    supported: Automatic, Full, Limited 16:235
            audio: auto 
                    supported: force-dvi, off, auto, on
    HDMI2 disconnected (normal left inverted right x axis y axis)
            aspect ratio: Automatic 
                    supported: Automatic, 4:3, 16:9
            Broadcast RGB: Automatic 
                    supported: Automatic, Full, Limited 16:235
            audio: auto 
                    supported: force-dvi, off, auto, on

     

     

    $ xrandr --output DP1 --set "scaling mode" "Full aspect"
    X Error of failed request:  BadName (named color or font does not exist)
      Major opcode of failed request:  140 (RANDR)
      Minor opcode of failed request:  11 (RRQueryOutputProperty)
      Serial number of failed request:  34
      Current serial number in output stream:  34

     

     

    $ xrandr --output DP1 --set PANEL_FITTING full_aspect
    X Error of failed request:  BadName (named color or font does not exist)
      Major opcode of failed request:  140 (RANDR)
      Minor opcode of failed request:  11 (RRQueryOutputProperty)
      Serial number of failed request:  34
      Current serial number in output stream:  34

     

    Oct 17, 2014 - 04:15am