Re: kern/50781: set hw.acpi.sleep.vbios=0 when kernel display driver handles suspend/resume (e.g., drmkms)

[Martin Husemann <martin%duskware.de@localhost>]

On Mon, Feb 08, 2016 at 08:45:01AM +0000, Martin Husemann wrote:
>  At framebuffer driver attach time, set it to 0, then modify the sysctl to
>  be read-only?

Actually slightly more tricky - make it a MD utility function and provide a MI
macro to call it (overriden by architectures that support "vbios").

The MI version would do nothing, the MD version call the utility function
and modify the sysctl.

Martin