CVS commit: src/sys/external/bsd/drm2

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 12:28:13 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/amdgpu: amdgpu_pci.c
        src/sys/external/bsd/drm2/i915drm: i915_pci_autoconf.c
        src/sys/external/bsd/drm2/nouveau: nouveau_pci.c
        src/sys/external/bsd/drm2/radeon: radeon_pci.c

Log Message:
drm: Rework attach/detach and deferred task logic.

- Reduce the number of states the softc can be in.
- Fix races between attach and other threads.


To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/external/bsd/drm2/amdgpu/amdgpu_pci.c
cvs rdiff -u -r1.9 -r1.10 \
    src/sys/external/bsd/drm2/i915drm/i915_pci_autoconf.c
cvs rdiff -u -r1.33 -r1.34 src/sys/external/bsd/drm2/nouveau/nouveau_pci.c
cvs rdiff -u -r1.19 -r1.20 src/sys/external/bsd/drm2/radeon/radeon_pci.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.