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

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

Module Name:    src
Committed By:   riastradh
Date:           Thu May  1 15:19:16 UTC 2014

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/i915: i915_gem.c
        src/sys/external/bsd/drm2/dist/include/drm: drmP.h
        src/sys/external/bsd/drm2/drm: drm_drv.c drm_gem_vm.c drm_vm.c

Log Message:
Tweak some DRM GEM page indexing crap.

- Fix order of subtraction in drm_mmap_paddr_locked.
- Address GEM objects' pages from 0, not from the mmap cookie.
- Check page alignment earlier in mmap code paths.
- Sprinkle kasserts throughout.

Still doesn't fix the garbage that is sometimes being scribbled all
over kernel memory!


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/dist/drm/i915/i915_gem.c
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/dist/include/drm/drmP.h
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/drm/drm_drv.c
cvs rdiff -u -r1.2 -r1.3 src/sys/external/bsd/drm2/drm/drm_gem_vm.c \
    src/sys/external/bsd/drm2/drm/drm_vm.c

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