diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_timeline.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_timeline.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.h b/drivers/gpu/drm/i915/gt/intel_timeline.h new file mode 100644 index 0000000000..57308c4d66 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_timeline.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2016 Intel Corporation + */ + +#ifndef I915_TIMELINE_H +#define I915_TIMELINE_H + +#include <linux/lockdep.h> + +#include "i915_active.h" +#include "i915_syncmap.h" +#include "intel_timeline_types.h" + +struct drm_printer; + +struct intel_timeline * +__intel_timeline_create(struct intel_gt *gt, + struct i915_vma *global_hwsp, + unsigned int offset); + +static inline struct intel_timeline * +intel_timeline_create(struct intel_gt *gt) +{ + return __intel_timeline_create(gt, NULL, 0); +} + +struct intel_timeline * +intel_timeline_create_from_engine(struct intel_engine_cs *engine, + unsigned int offset); + +static inline struct intel_timeline * +intel_timeline_get(struct intel_timeline *timeline) +{ + kref_get(&timeline->kref); + return timeline; +} + +void __intel_timeline_free(struct kref *kref); +static inline void intel_timeline_put(struct intel_timeline *timeline) +{ + kref_put(&timeline->kref, __intel_timeline_free); +} + +static inline int __intel_timeline_sync_set(struct intel_timeline *tl, + u64 context, u32 seqno) +{ + return i915_syncmap_set(&tl->sync, context, seqno); +} + +static inline int intel_timeline_sync_set(struct intel_timeline *tl, + const struct dma_fence *fence) +{ + return __intel_timeline_sync_set(tl, fence->context, fence->seqno); +} + +static inline bool __intel_timeline_sync_is_later(struct intel_timeline *tl, + u64 context, u32 seqno) +{ + return i915_syncmap_is_later(&tl->sync, context, seqno); +} + +static inline bool intel_timeline_sync_is_later(struct intel_timeline *tl, + const struct dma_fence *fence) +{ + return __intel_timeline_sync_is_later(tl, fence->context, fence->seqno); +} + +void __intel_timeline_pin(struct intel_timeline *tl); +int intel_timeline_pin(struct intel_timeline *tl, struct i915_gem_ww_ctx *ww); +void intel_timeline_enter(struct intel_timeline *tl); +int intel_timeline_get_seqno(struct intel_timeline *tl, + struct i915_request *rq, + u32 *seqno); +void intel_timeline_exit(struct intel_timeline *tl); +void intel_timeline_unpin(struct intel_timeline *tl); + +void intel_timeline_reset_seqno(const struct intel_timeline *tl); + +int intel_timeline_read_hwsp(struct i915_request *from, + struct i915_request *until, + u32 *hwsp_offset); + +void intel_gt_init_timelines(struct intel_gt *gt); +void intel_gt_fini_timelines(struct intel_gt *gt); + +void intel_gt_show_timelines(struct intel_gt *gt, + struct drm_printer *m, + void (*show_request)(struct drm_printer *m, + const struct i915_request *rq, + const char *prefix, + int indent)); + +static inline bool +intel_timeline_is_last(const struct intel_timeline *tl, + const struct i915_request *rq) +{ + return list_is_last_rcu(&rq->link, &tl->requests); +} + +I915_SELFTEST_DECLARE(int intel_timeline_pin_map(struct intel_timeline *tl)); + +#endif |