Change some nearby memset()s to bzero()s or to calloc allocations to
take advantage of M_ZERO). Reverse some error tests to reduce high
levels of indentation. Move the sg_cleanup() call out of the maplist
loop in DRM(takedown)-- I can't see any need for it to be inside.
allocate framebuffer memory without sisfb, and a new ioctl to be used
by the X Server which tells the DRM what region of framebuffer memory
to allocate from. Also fixes a possibility to panic the kernel I
believe. Tested on linux with sisfb and FreeBSD (without sisfb) with
new DRI only.
DRM(write_string). This is the first part of removing much of the
support code for gamma from the BSD DRM, since it appears that no new
drivers are using it and nobody has ever shown interest in gamma on
BSD.
Dave Airlie
Eric Anholt
Alan Hourihane
David Dawes