[Intel-gfx] how to enable "wait for vertical sync" on i915 framebuffer driver?

hank peng pengxihan at gmail.com
Mon Mar 19 09:22:03 CET 2012

I need to enable this function in use space programe, but I found that
it is not implemented in i915 fb driver. I used FBIO_WAITFORVSYNC
ioctl command, then what should I do?

The simplest is not all best but the best is surely the simplest!

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