diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2021-10-14 10:19:53 -0700 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-10-15 10:37:43 -0700 |
| commit | bc955204919ea8152b7443e7d48a48cc18dea448 (patch) | |
| tree | fd0674046319a77ec22ae1627c0f817669a9abc6 /drivers/gpu/drm/i915/gt/intel_context_types.h | |
| parent | 6b540bf6f14362a912fd79e0e200bf4fa2b6b547 (diff) | |
drm/i915/guc: Insert submit fences between requests in parent-child relationship
The GuC must receive requests in the order submitted for contexts in a
parent-child relationship to function correctly. To ensure this, insert
a submit fence between the current request and last request submitted
for requests / contexts in a parent child relationship. This is
conceptually similar to a single timeline.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Cc: John Harrison <John.C.Harrison@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/20211014172005.27155-14-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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 48decb5ee954..8309d1141d0a 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -237,6 +237,12 @@ struct intel_context { }; /** @parent: pointer to parent if child */ struct intel_context *parent; + /** + * @last_rq: last request submitted on a parallel context, used + * to insert submit fences between requests in the parallel + * context + */ + struct i915_request *last_rq; /** @number_children: number of children if parent */ u8 number_children; /** @guc: GuC specific members for parallel submission */ |