diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_context_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context_types.h | 73 |
1 files changed, 68 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 12252c411159..9e0177dc5484 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; @@ -197,22 +202,80 @@ struct intel_context { struct { /** * @id: handle which is used to uniquely identify this context - * with the GuC, protected by guc->contexts_lock + * with the GuC, protected by guc->submission_state.lock */ u16 id; /** * @ref: the number of references to the guc_id, when * transitioning in and out of zero protected by - * guc->contexts_lock + * guc->submission_state.lock */ atomic_t ref; /** * @link: in guc->guc_id_list when the guc_id has no refs but is - * still valid, protected by guc->contexts_lock + * still valid, protected by guc->submission_state.lock */ struct list_head link; } guc_id; + /** + * @destroyed_link: link in guc->submission_state.destroyed_contexts, in + * list when context is pending to be destroyed (deregistered with the + * GuC), protected by guc->submission_state.lock + */ + struct list_head destroyed_link; + + /** @parallel: sub-structure for parallel submission members */ + struct { + union { + /** + * @child_list: parent's list of children + * contexts, no protection as immutable after context + * creation + */ + struct list_head child_list; + /** + * @child_link: child's link into parent's list of + * children + */ + struct list_head child_link; + }; + /** @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; + /** + * @fence_context: fence context composite fence when doing + * parallel submission + */ + u64 fence_context; + /** + * @seqno: seqno for composite fence when doing parallel + * submission + */ + u32 seqno; + /** @number_children: number of children if parent */ + u8 number_children; + /** @child_index: index into child_list if child */ + u8 child_index; + /** @guc: GuC specific members for parallel submission */ + struct { + /** @wqi_head: head pointer in work queue */ + u16 wqi_head; + /** @wqi_tail: tail pointer in work queue */ + u16 wqi_tail; + /** + * @parent_page: page in context state (ce->state) used + * by parent for work queue, process descriptor + */ + u8 parent_page; + } guc; + } parallel; + #ifdef CONFIG_DRM_I915_SELFTEST /** * @drop_schedule_enable: Force drop of schedule enable G2H for selftest |