This removes cut and pasted code and uses a more central source.
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Not yet enabled by default because the kernel can't recover from this
on chips where we don't have a gpu reset implemented.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>