[beagleboard] FBIOPUT_VSCREENINFO invalid argument to ioctl on Linux beaglebone 3.8.13-bone70
*Hi guys,* I've got a Beabglebone black unning *Linux beaglebone 3.8.13-bone70. I'm trying to implement double buffering using virtual screensize, offsets, panning and vsync syncronization. However, ioctl calls fail because FBIOPUT_VSCREENINFO is not a valid argument. The quick test using fbset: "fbset -vyres 960".* *As far as i can tell from others with the same issue, on other platforms, this is due to a limitation in the video driver, which brings me to my question(s):* Has anyone else experienced this and is this a "known" issue? Has this been "fixed" in a later version of the video driver? I also noticed that ioctl returns -1 on FBIO_WAITFORVSYNC. Thank you in advance! Best regards, Martin -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a3225abc-d363-4551-bb95-a34ae99302d5%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[beagleboard] FBIOPUT_VSCREENINFO invalid argument (ioctl) on Linux BB 3.8.13-bone70
Hi guys, I'm trying to enable double buffering by setting virtual screensize, y-offset and panning with ioctl. But FBIOPUT_VSCREENINFO seems to be an invalid argument (The quick test is "fbset -vyres 960", which also uses ioctl, to see the error) - As far as i can tell from others who have had the same issue on other platforms, this is due to limitations in the video driver. Which brings me to my question: Has anyone else experienced this, and is this "corrected" in a later version of the video driver? Also, i'm noticing that that ioctl returns -1 when called with FBIO_WAITFORVSYNC - Could this also be due to driver issues? Thank you in advance, Best regards, Martin -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/1199630f-1bf8-4d11-b715-616abc7c7145%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[beagleboard] FBIOPUT_VSCREENINFO invalid argument (ioctl) on Linux beaglebone 3.8.13-bone70
Hi guys, I've got a Beabglebone black unning Linux beaglebone 3.8.13-bone70. I'm trying to implement double buffering using virtual screensize, offsets, panning and vsync syncronization. However, ioctl calls fail because FBIOPUT_VSCREENINFO is not a valid argument. The quick test using fbset will provoke the error: fbset -vyres 960 As far as i can tell from others with the same issue, on other platforms, this is due to a limitation in the video driver, which brings me to my question(s): Has anyone else experienced this and is this a "known" issue? Has this been "fixed" in a later version of the video driver? I also noticed that ioctl returns -1 on FBIO_WAITFORVSYNC. Thank you in advance! Best regards, Martin -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/0383e75d-0779-46fb-b775-7c95aab61375%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[beagleboard] FBIOPUT_VSCREENINFO invalid argument (iotcl) on 3.8.13-bone70
Hi guys, I've got a Beabglebone black unning Linux beaglebone 3.8.13-bone70. I'm trying to implement double buffering using virtual screensize, offsets, panning and vsync syncronization. However, ioctl calls fail because FBIOPUT_VSCREENINFO is not a valid argument. The quick test using fbset will provoke the error: fbset -vyres 960 As far as i can tell from others with the same issue, on other platforms, this is due to a limitation in the video driver, which brings me to my question(s): Has anyone else experienced this and is this a "known" issue? Has this been "fixed" in a later version of the video driver? I also noticed that ioctl returns -1 on FBIO_WAITFORVSYNC. Thank you in advance! Best regards, Martin -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/d9a68530-6394-46a7-bf6d-f0b4ffacd980%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
