[Bug 1067] New: artifacts when doing glamo HW rotation

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Mon Dec 3 06:51:23 CET 2007


           Summary: artifacts when doing glamo HW rotation
           Product: OpenMoko
           Version: current svn head
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kernel
        AssignedTo: olv at openmoko.com
        ReportedBy: olv at openmoko.com
                CC: buglog at lists.openmoko.org,dodji at openedhand.com

I got artifacts when hardware rotating (reg 0x1106) the screen with 90 or 270
degrees.  It happens in both VGA and QVGA modes, when DCLK ratio is 2:1 or 3:1
(refer to svn rev. 3113).

It works fine in both modes when I raise DCLK ratio to 4:1.  However, this gives
lower refresh rate.  QVGA looks fine under this refresh rate, but VGA has
serious flicker issue, to my eyes.

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