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a19d6ff29a
Effectively removes one layer of indirection between the mask of
possible engines and the engine constructors. Instead of spelling
out in code the mapping of HAS_<engine> to constructors, makes
more use of the recently added data driven approach by putting
engine constructor vfuncs into the table as well.
Effect is fewer lines of source and smaller binary.
At the same time simplify the error handling since engine
destructors can run on unitialized engines anyway.
Similar approach could be done for legacy submission is wanted.
v2: Removed ugly BUILD_BUG_ONs in favour of newly introduced
ENGINE_MASK and HAS_ENGINE macros.
Also removed the forward declarations by shuffling functions
around.
v3: Warn when logical_rings table does not contain enough data
and disable the engines which could not be initialized.
(Chris Wilson)
v4: Chris Wilson suggested a nicer engine init loop.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1466689961-23232-1-git-send-email-tvrtko.ursulin@linux.intel.com
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