Pull drm fixes from Dave Airlie:
"Bit late with these, was under the weather for a a few days, nothing
too crazy:
Some radeon regression fixes, one intel regression fix, and one fix to
avoid a warn with i915 when used with dma-buf"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/i915: unpin backing storage in dmabuf_unmap
drm/radeon: fix WREG32_OR macro setting bits in a register
drm/radeon/r7xx: fix copy paste typo in golden register setup
drm/i915: Don't deref pipe->cpu_transcoder in the hangcheck code
drm/radeon: fix UVD message buffer validation