Ben Widawsky 707d9cf993
drm/i915: gen specific ring init ...
Gen8 has already had some differentiation with how it handles rings.
Semaphores bring yet more differences, and now is as good a time as any
to do the split.
Also, since gen8 doesn't actually use semaphores up until this point,
put the proper "NULL" values in for the mbox info.
v2: v1 had a stale commit message
v3: Move everything in the is_semaphore_enabled() check
v4: VCS2 rebase
Remove double assignment of signal in render ring (Ville)
v5: Adding missed VCS2 signal init on gen8+ (Rodrigo)
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com >
Signed-off-by: Ben Widawsky <ben@bwidawsk.net >
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com >
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch >
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707d9cf993