Section: Direct Rendering Manager (3)
Updated: September 2012
drmAvailable - determine whether a DRM kernel driver has been loaded
allows the caller to determine whether a kernel DRM driver is loaded.
returns 1 if a DRM driver is currently loaded. Otherwise 0 is returned.
Bugs in this function should be reported to https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=libdrm under the "DRI" product, component "libdrm"