lib: Attempt to load the module for a missing device

If we asked to open a particular chipset and we find no matching device,
try again after attempting to load its module. Previously we only did
this for vgem, which is not automatically probed during boot, but if we
want to leave the module unloaded we have to try harder when we need the
device.

v2: DRIVER_* are already masks (and not shifts). Use a common
driver_open for both /dev/dri/cardX and /dev/dri/renderDX.
v3: Beware making local variables accidentally static scoped.
v4: Beware multiple threads trying and failing to open a device
v5: Fixed spelling of render (Petri)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>

0 files changed, 0 insertions, 0 deletions