diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc.h | 54 |
1 files changed, 45 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 5dd174babf7a..31cf9fb48c7e 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -46,6 +46,15 @@ struct intel_guc { * submitted until the stalled request is processed. */ struct i915_request *stalled_request; + /** + * @submission_stall_reason: reason why submission is stalled + */ + enum { + STALL_NONE, + STALL_REGISTER_CONTEXT, + STALL_MOVE_LRC_TAIL, + STALL_ADD_REQUEST, + } submission_stall_reason; /* intel_guc_recv interrupt related state */ /** @irq_lock: protects GuC irq state */ @@ -71,16 +80,41 @@ struct intel_guc { } interrupts; /** - * @contexts_lock: protects guc_ids, guc_id_list, ce->guc_id.id, and - * ce->guc_id.ref when transitioning in and out of zero - */ - spinlock_t contexts_lock; - /** @guc_ids: used to allocate unique ce->guc_id.id values */ - struct ida guc_ids; - /** - * @guc_id_list: list of intel_context with valid guc_ids but no refs + * @submission_state: sub-structure for submission state protected by + * single lock */ - struct list_head guc_id_list; + struct { + /** + * @lock: protects everything in submission_state, + * ce->guc_id.id, and ce->guc_id.ref when transitioning in and + * out of zero + */ + spinlock_t lock; + /** + * @guc_ids: used to allocate new guc_ids, single-lrc + */ + struct ida guc_ids; + /** + * @guc_ids_bitmap: used to allocate new guc_ids, multi-lrc + */ + unsigned long *guc_ids_bitmap; + /** + * @guc_id_list: list of intel_context with valid guc_ids but no + * refs + */ + struct list_head guc_id_list; + /** + * @destroyed_contexts: list of contexts waiting to be destroyed + * (deregistered with the GuC) + */ + struct list_head destroyed_contexts; + /** + * @destroyed_worker: worker to deregister contexts, need as we + * need to take a GT PM reference and can't from destroy + * function as it might be in an atomic context (no sleeping) + */ + struct work_struct destroyed_worker; + } submission_state; /** * @submission_supported: tracks whether we support GuC submission on @@ -342,4 +376,6 @@ void intel_guc_submission_cancel_requests(struct intel_guc *guc); void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p); +void intel_guc_write_barrier(struct intel_guc *guc); + #endif |