Check this mail I have explained wait logic for display driver. http://www.mail-archive.com/[email protected]/msg00258.html
On 5/6/09, Harishkumar V <[email protected]> wrote: > > Hi, > > also, while browsing the desktop, it flickers. > > may be the same problem. > > i have one doubt, how this is being handled in omapzoom. > > how to add wait logic in the pan_display to wait for blanking interval. any > hint about this, any platform has this support for taking reference. > > Thanks and Regards, > HarishKumar.V > > On Wed, May 6, 2009 at 9:56 PM, Sean McNeil <[email protected]>wrote: > >> >> The problem is that the secondary buffer is being written to before it >> has been completely removed from the screen. The video driver should be >> waiting for the blanking interval before returning as that OMAP video >> interface has shadow registers that only take effect during the blanking >> period. You'll need to add wait logic in the pan_display to wait for the >> blanking interval. >> >> Harishkumar V wrote: >> > >> > Hi, >> > >> > I am also trying to run android on 640x430 resolution using s-video on >> > my tv in ntsc mode in beagle board. >> > I am also facing the same flickering problems. >> > >> > the framebuffer driver is perfect. >> > i am able to check with test applications. >> > >> > my yres is 430 and yres.virtual is 860. >> > >> > i checked in the logcat message, there is no error found like page >> > flipping not available. >> > >> > how to overcome this. >> > >> > if possible, i attach the android booting video which is flickering. >> > >> > Thanks and Regards, >> > HarishKumar.V >> > >> > On Thu, Apr 30, 2009 at 10:39 PM, Elvis Dowson <[email protected] >> >> > <mailto:[email protected]>> wrote: >> > >> > Hi, >> > Sorry for the delayed response. I was deep in trying to fix >> > my android touchscreen implementation. I'm not familiar with the >> > board that you have. Perhaps, if you could load a video of the >> > flicker on youtube and send us the link, perhaps we can try to see >> > what is causing it. >> > >> > Best regards, >> > >> > Elvis >> > >> > >> > >> > >> > >> > >> > > >> >> >> >> >> > > > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
