tree 8adeb99e37056f91706b3b16f3f900da84f94a6c
parent 71871aa6df5009ebf39ae94d15d0e9836bf91c03
author Ben Skeggs <bskeggs@redhat.com> 1525775988 +1000
committer Ben Skeggs <bskeggs@redhat.com> 1550617200 +1000

drm/nouveau/mmu/gp100-: support vmms with gcc/tex replayable faults enabled

Some GPU units are capable of supporting "replayable" page faults, where
the execution unit will wait for SW to fixup GPU page tables rather than
triggering a channel-fatal fault.

This feature isn't useful (it's harmful, even) unless something like HMM
is being used to manage events appearing in the replayable fault buffer,
so, it's disabled by default.

This commit allows a client to request it be enabled.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>