2 * Copyright © 2016 Intel Corporation
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5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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25 #ifndef I915_TIMELINE_H
26 #define I915_TIMELINE_H
28 #include <linux/lockdep.h>
30 #include "i915_active.h"
31 #include "i915_syncmap.h"
32 #include "i915_timeline_types.h"
34 int i915_timeline_init(struct drm_i915_private *i915,
35 struct i915_timeline *tl,
36 struct i915_vma *hwsp);
37 void i915_timeline_fini(struct i915_timeline *tl);
39 struct i915_timeline *
40 i915_timeline_create(struct drm_i915_private *i915,
41 struct i915_vma *global_hwsp);
43 static inline struct i915_timeline *
44 i915_timeline_get(struct i915_timeline *timeline)
46 kref_get(&timeline->kref);
50 void __i915_timeline_free(struct kref *kref);
51 static inline void i915_timeline_put(struct i915_timeline *timeline)
53 kref_put(&timeline->kref, __i915_timeline_free);
56 static inline int __i915_timeline_sync_set(struct i915_timeline *tl,
57 u64 context, u32 seqno)
59 return i915_syncmap_set(&tl->sync, context, seqno);
62 static inline int i915_timeline_sync_set(struct i915_timeline *tl,
63 const struct dma_fence *fence)
65 return __i915_timeline_sync_set(tl, fence->context, fence->seqno);
68 static inline bool __i915_timeline_sync_is_later(struct i915_timeline *tl,
69 u64 context, u32 seqno)
71 return i915_syncmap_is_later(&tl->sync, context, seqno);
74 static inline bool i915_timeline_sync_is_later(struct i915_timeline *tl,
75 const struct dma_fence *fence)
77 return __i915_timeline_sync_is_later(tl, fence->context, fence->seqno);
80 int i915_timeline_pin(struct i915_timeline *tl);
81 int i915_timeline_get_seqno(struct i915_timeline *tl,
82 struct i915_request *rq,
84 void i915_timeline_unpin(struct i915_timeline *tl);
86 int i915_timeline_read_hwsp(struct i915_request *from,
87 struct i915_request *until,
90 void i915_timelines_init(struct drm_i915_private *i915);
91 void i915_timelines_park(struct drm_i915_private *i915);
92 void i915_timelines_fini(struct drm_i915_private *i915);