6761d0a184
Allowing register copies where the source and destination are both whitelisted should be safe, and is useful. For example, Mesa uses this to load the command streamer math registers with data from the pipeline statistics counters. v2: Reject writes to OACONTROL (and reads as well :( Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> # v1 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/1462521014-13595-1-git-send-email-chris@chris-wilson.co.uk |
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| Makefile | ||