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drm/i915/guc: Add multi-lrc context registration

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Add multi-lrc context registration H2G. In addition a workqueue and
process descriptor are setup during multi-lrc context registration as
these data structures are needed for multi-lrc submission.

v2:
 (John Harrison)
  - Move GuC specific fields into sub-struct
  - Clean up WQ defines
  - Add comment explaining math to derive WQ / PD address
v3:
 (John Harrison)
  - Add PARENT_SCRATCH_SIZE define
  - Update comment explaining multi-lrc register
v4:
 (John Harrison)
  - Move PARENT_SCRATCH_SIZE to common file

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014172005.27155-9-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2021-10-14 10:19:48 -07:00 • committed by John Harrison
commit c2aa552ff0
6 changed files with 134 additions and 3 deletions
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