Files
linux/drivers/gpu/drm
Lucas De Marchi d9a5696e7d drm/i915/guc: Convert golden context prep to iosys_map
Use the saved ads_map to prepare the golden context. One difference from
the init context is that this function can be called before there is a
gem object (and thus the guc->ads_map) to calculare the size of the
golden context that should be allocated for that object.

So in this case the function needs to be prepared for not having the
system_info with enabled engines filled out. To accomplish that an
info_map is prepared on the side to point either to the gem object
or the local variable on the stack. This allows making
fill_engine_enable_masks() operate always with a iosys_map
argument.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220216174147.3073235-11-lucas.demarchi@intel.com
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