Openmoko Bug #2255: xf86-video-glamo/703acea13: xrandr -o 1; xrandr -o 3 causes distortion

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#2255: xf86-video-glamo/703acea13: xrandr -o 1; xrandr -o 3 causes distortion
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 Reporter:  lindi    |          Owner:  openmoko-devel
     Type:  defect   |         Status:  new           
 Priority:  highest  |      Milestone:                
Component:  unknown  |        Version:  unspecified   
 Severity:  normal   |       Keywords:                
 Haspatch:  0        |      Blockedby:                
Estimated:           |    Patchreview:                
 Blocking:           |   Reproducible:  always        
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Comment(by lindi):

 I reverted kernel commmits
 {{{
 c2c300c5484a7100cc17fc6e3ff8c6822dcf7998
 8e07543735b1b180ff45993f0e3cc82dad8142ea
 6bf861ed654ff59cdf8829e47d6b7361c40f75ba
 }}}

 and now the problem does not seem to occur:

 {{{
 lindi at ginger:~$ head /sys/class/graphics/fb0/{stride,virtual_size}
 ==> /sys/class/graphics/fb0/stride <==
 960

 ==> /sys/class/graphics/fb0/virtual_size <==
 480,1280
 lindi at ginger:~$ xrandr -o 1
 lindi at ginger:~$ head /sys/class/graphics/fb0/{stride,virtual_size}
 ==> /sys/class/graphics/fb0/stride <==
 960

 ==> /sys/class/graphics/fb0/virtual_size <==
 1280,480
 lindi at ginger:~$ xrandr -o 3
 lindi at ginger:~$ head /sys/class/graphics/fb0/{stride,virtual_size}
 ==> /sys/class/graphics/fb0/stride <==
 960

 ==> /sys/class/graphics/fb0/virtual_size <==
 1280,480
 }}}

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Ticket URL: <https://docs.openmoko.org/trac/ticket/2255#comment:3>
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