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| author | Matthew Brost <matthew.brost@intel.com> | 2021-10-14 10:19:56 -0700 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-10-15 10:45:50 -0700 |
| commit | e5e32171a2cf1e434d4f88e12467f3e47d0ec618 (patch) | |
| tree | 86457c06e9ac3c4731403d2fce42d3592361e532 /drivers/gpu/drm/i915/gt/intel_context_types.h | |
| parent | d38a9294491dcc38b0508c865b59604f66fb08c4 (diff) | |
| download | linux-e5e32171a2cf1e434d4f88e12467f3e47d0ec618.tar.bz2 | |
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
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_context_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context_types.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 8309d1141d0a..1d880303a7e4 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -55,9 +55,13 @@ struct intel_context_ops { void (*reset)(struct intel_context *ce); void (*destroy)(struct kref *kref); - /* virtual engine/context interface */ + /* virtual/parallel engine/context interface */ struct intel_context *(*create_virtual)(struct intel_engine_cs **engine, - unsigned int count); + unsigned int count, + unsigned long flags); + struct intel_context *(*create_parallel)(struct intel_engine_cs **engines, + unsigned int num_siblings, + unsigned int width); struct intel_engine_cs *(*get_sibling)(struct intel_engine_cs *engine, unsigned int sibling); }; @@ -113,6 +117,7 @@ struct intel_context { #define CONTEXT_NOPREEMPT 8 #define CONTEXT_LRCA_DIRTY 9 #define CONTEXT_GUC_INIT 10 +#define CONTEXT_PERMA_PIN 11 struct { u64 timeout_us; |