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

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

Module Name:    src
Committed By:   riastradh
Date:           Sat Feb 28 18:25:39 UTC 2015

Modified Files:
        src/sys/external/bsd/drm2/dist/drm: drm_irq.c
        src/sys/external/bsd/drm2/dist/drm/i915: i915_dma.c
        src/sys/external/bsd/drm2/dist/drm/via: via_dmablit.c via_drv.h
            via_irq.c via_video.c
        src/sys/external/bsd/drm2/include/drm: drm_wait_netbsd.h

Log Message:
New macro DRM_SPIN_WAIT_ON better reflects DRM_WAIT_ON.

We still need to adapt all waits from upstream to use an interlock,
so we can't implement DRM_WAIT_ON verbatim, but this more closely
reflects the API of DRM_WAIT_ON than DRM_*WAIT*_UNTIL do.

Major difference is that this polls every tick, like DRM_WAIT_ON,
unlike DRM_*WAIT*_UNTIL.  So it will mask missing wakeups, but it
wouldn't surprise me if there were such things upstream.


To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/external/bsd/drm2/dist/drm/drm_irq.c
cvs rdiff -u -r1.14 -r1.15 src/sys/external/bsd/drm2/dist/drm/i915/i915_dma.c
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/dist/drm/via/via_dmablit.c \
    src/sys/external/bsd/drm2/dist/drm/via/via_irq.c \
    src/sys/external/bsd/drm2/dist/drm/via/via_video.c
cvs rdiff -u -r1.2 -r1.3 src/sys/external/bsd/drm2/dist/drm/via/via_drv.h
cvs rdiff -u -r1.8 -r1.9 \
    src/sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h

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