Module Name: src
Committed By: martin
Date: Fri Aug 31 17:35:51 UTC 2018
Modified Files:
src/sys/external/bsd/drm2/dist/drm/nouveau [netbsd-8]: nouveau_fence.c
nouveau_fence.h nouveau_nv84_fence.c
Log Message:
Pull up following revision(s) (requested by riastradh in ticket #996):
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv84_fence.c: revision
1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.h: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.h: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.h: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.6
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.7
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.8
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.9
Rewrite nouveau_fence in an attempt to make it make sense.
PR kern/53441
XXX pullup-7
XXX pullup-8
Fences may last longer than their channels.
- Use a reference count on the nouveau_fence_chan object.
- Acquire it with kpreemption disabled.
- Use xcall to wait for kpreempt-disabled sections to complete.
PR kern/53441
XXX pullup-7
XXX pullup-8
Defer nouveau_fence_unref until spin unlock.
- kfree while holding a spin lock is not a good idea.
- Make sure we GC every time we might signal fences.
PR kern/53441
XXX pullup-7
XXX pullup-8
Attempt to make sense of return values of nouveau_fence_wait.
PR kern/53441
XXX pullup-7
XXX pullup-8
Fix edge case of reference counting, oops.
PR kern/53441
XXX pullup-7
XXX pullup-8
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.4.10.1 \
src/sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c
cvs rdiff -u -r1.2 -r1.2.24.1 \
src/sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.h
cvs rdiff -u -r1.2 -r1.2.10.1 \
src/sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv84_fence.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
