drm/i915/guc: Connect UAPI to GuC multi-lrc interface
authorMatthew Brost <matthew.brost@intel.com>
Thu, 14 Oct 2021 17:19:56 +0000 (10:19 -0700)
committerJohn Harrison <John.C.Harrison@Intel.com>
Fri, 15 Oct 2021 17:45:50 +0000 (10:45 -0700)
commite5e32171a2cf1e434d4f88e12467f3e47d0ec618
tree86457c06e9ac3c4731403d2fce42d3592361e532
parentd38a9294491dcc38b0508c865b59604f66fb08c4
drm/i915/guc: Connect UAPI to GuC multi-lrc interface

Introduce 'set parallel submit' extension to connect UAPI to GuC
multi-lrc interface. Kernel doc in new uAPI should explain it all.

IGT: https://patchwork.freedesktop.org/patch/447008/?series=93071&rev=1
media UMD: https://github.com/intel/media-driver/pull/1252

v2:
 (Daniel Vetter)
  - Add IGT link and placeholder for media UMD link
v3:
 (Kernel test robot)
  - Fix warning in unpin engines call
 (John Harrison)
  - Reword a bunch of the kernel doc
v4:
 (John Harrison)
  - Add comment why perma-pin is done after setting gem context
  - Update some comments / docs for proto contexts
v5:
 (John Harrison)
  - Rework perma-pin comment
  - Add BUG_IN if context is pinned when setting gem context

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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/20211014172005.27155-17-matthew.brost@intel.com
drivers/gpu/drm/i915/gem/i915_gem_context.c
drivers/gpu/drm/i915/gem/i915_gem_context_types.h
drivers/gpu/drm/i915/gt/intel_context_types.h
drivers/gpu/drm/i915/gt/intel_engine.h
drivers/gpu/drm/i915/gt/intel_engine_cs.c
drivers/gpu/drm/i915/gt/intel_execlists_submission.c
drivers/gpu/drm/i915/gt/selftest_execlists.c
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
include/uapi/drm/i915_drm.h