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Maxime Ripard authored
Implement legacy framebuffer ioctl FBIO_WAITFORVSYNC in the generic framebuffer emulation driver. Legacy framebuffer users like non kms/drm based OpenGL(ES)/EGL implementations may require the ioctl to synchronize drawing or buffer flip for double buffering. It is tested on the i.MX6. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Tested-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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