[Bug 42984] scrabled video with nouveau drivers on mac mini (320m)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=42984





--- Comment #12 from Peter Hedlund <peter at peterandlinda.com>  2012-05-13 22:51:16 ---
(In reply to comment #11)
> Dithering?

eDP-1 connected 1440x900+1920+0 (normal left inverted right x axis y axis)
286mm x 179mm
    EDID:
        00ffffffffffff000610df9c00000000
        23140103801d12780aef059757549227
        22505400000001010101010101010101
        010101010101c223a0d450841a30402a
        36001eb3100000180000000100061030
        00000000000000000a20000000fe004c
        503133335750312d54504131000000fc
        00436f6c6f72204c43440a202020001f
    dithering depth:    auto
        supported: auto         6 bpc        8 bpc       
    dithering mode:    auto
        supported: auto         off          static 2x2   dynamic 2x2 
    scaling mode:    Full
        supported: None         Full         Center       Full aspect 
    color vibrance: 150 (0x00000096)    range:  (0,200)
    vibrant hue: 90 (0x0000005a)    range:  (0,180)
   1440x900       59.8*+
   1152x864       60.0  
   1024x768       59.9  
   800x600        59.9  
   640x480        59.4  
   720x400        59.6  
   640x400        60.0  
   640x350        59.8

Any variant of xrandr --output eDP-1 --set dithering i have tried fails with

X Error of failed request:  BadName (named color or font does not exist)
  Major opcode of failed request:  150 (RANDR)
  Minor opcode of failed request:  11 (RRQueryOutputProperty)
  Serial number of failed request:  29
  Current serial number in output stream:  29

Since dithering is reported as both a mode and a depth I don't know how to set
up the xrandr command. Google is not being very friendly on the matter.

However, this would still not answer why a 3.3 kernel works and 3.2 or 3.4 do
not.

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