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* drm/i915: add i915_lp_ring_sync helperDaniel Vetter2009-11-05
| | | | | | | | | | | | | | This just waits until the hw passed the current ring position with cmd execution. This slightly changes the existing i915_wait_request function to make uninterruptible waiting possible - no point in returning to userspace while mucking around with the overlay, that piece of hw is just too fragile. Also replace a magic 0 with the symbolic constant (and kill the then superflous comment) while I was looking at the code. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Eric Anholt <eric@anholt.net>
* drm: fix missing inline function on 32-bit powerpc.Dave Airlie2009-04-02
| | | | | | | | The readq/writeq really need to be static inline on the arches which don't provide them. Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* drm: add DRM_READ/WRITE64 wrappers around readq/writeq.Dave Airlie2009-03-13
| | | | | | | | The readq/writeq stuff is from Dave Miller, and he warns users to be careful about using these. Plans are only r600 to use it so far. Signed-off-by: Dave Airlie <airlied@redhat.com>
* drm: reorganise drm tree to be more future proof.Dave Airlie2008-07-13
With the coming of kernel based modesetting and the memory manager stuff, the everything in one directory approach was getting very ugly and starting to be unmanageable. This restructures the drm along the lines of other kernel components. It creates a drivers/gpu/drm directory and moves the hw drivers into subdirectores. It moves the includes into an include/drm, and sets up the unifdef for the userspace headers we should be exporting. Signed-off-by: Dave Airlie <airlied@redhat.com>