#10453 NORM 10.1.3: DPI is wrong when screen rotated sideways

Zarro Boogs per Child bugtracker at laptop.org
Thu Dec 16 22:03:12 EST 2010


#10453: DPI is wrong when screen rotated sideways
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           Reporter:  greenfeld        |       Owner:  cjb                              
               Type:  defect           |      Status:  new                              
           Priority:  normal           |   Milestone:  10.1.3                           
          Component:  x window system  |     Version:  Development build as of this date
         Resolution:                   |    Keywords:                                   
        Next_action:  diagnose         |    Verified:  0                                
Deployment_affected:                   |   Blockedby:                                   
           Blocking:  9350             |  
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Comment(by martin.langhoff):

 jnettlet reports that after hunting a bit more he _has_ a patch that works
 on all orientations. However, what the patch fixes is setting orientation
 on the 'Screen' (Virtual Screen?), which is what happens when you forget
 to say --output XYZ .

 So in theory, if we say xrandr -o [orientation] --output LCD, it just
 works. Initial testing shows this to be true on XO-1.5, but apparently not
 so on XO-1 (needs confirmation).

 I'll prep an appropriate olpc-rotate patch.

 One thing jnettlet notes is that you must use the "right name" for the
 output for this to work -- I suspect the name used/understood by xrandr is
 not the name given in xorg.conf; seems to be driver-implementation-
 dependent.

-- 
Ticket URL: <http://dev.laptop.org/ticket/10453#comment:8>
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