On Wed, Mar 12, 2014 at 5:40 AM, Robert Kuhn <robert@xxxxx> wrote: > Hi, > > I am using a Beaglebone black with a HDMI monitor. As far as I see the > beaglebone uses the tilcdc driver for framebuffer (I am using the > linux-dev-3.13.6-bone7 kernel). > > When I am correct this driver does not implement the FBIO_WAITFORVSYNC > ioctl. Is there any other way to get the vsync in userspace or in a kernel > module? you probably should use the KMS interface directly, rather than fbdev. Then you can modeset, do actual pageflips, get vblank events, etc. A couple examples: modetest - test code which does not use gpu and demonstrates most of the kms features http://cgit.freedesktop.org/mesa/drm/tree/tests/modetest kmscube - simple example showing integration of gpu and kms https://github.com/robclark/kmscube BR, -R > Sorry for my poor english and thanks for every answer - Robert > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
