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

Openmoko Public Trac bugs at docs.openmoko.org
Sun Mar 8 18:28:39 CET 2009


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

Comment(by lindi):

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

 ==> /sys/class/graphics/fb0/virtual_size <==
 960,640
 }}}

 With Xglamo "xrandr -o 1; xrandr -o 3" does not show broken data but I
 don't see icewm taskbar even with "-o 1" anymore. Also, if I after that do
 "xrandr -o 0; xrandr -o 1" I get WSOD with Xglamo.


 If I do a fresh start of Xorg and do only "xrandr -o 3" the graphics looks
 ok and sysfs says
 {{{
 $ head /sys/class/graphics/fb0/{stride,virtual_size}
 ==> /sys/class/graphics/fb0/stride <==
 960

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

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/2255#comment:2>
docs.openmoko.org <http://docs.openmoko.org/trac/>
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