diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma_resource.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma_resource.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma_resource.h b/drivers/gpu/drm/i915/i915_vma_resource.h index 8071b40f4f9c..cb3f4e1e8457 100644 --- a/drivers/gpu/drm/i915/i915_vma_resource.h +++ b/drivers/gpu/drm/i915/i915_vma_resource.h @@ -10,6 +10,8 @@ #include <linux/refcount.h> #include "i915_gem.h" +#include "i915_sw_fence.h" +#include "intel_runtime_pm.h" struct i915_page_sizes { /** @@ -38,6 +40,13 @@ struct i915_page_sizes { * @hold_count: Number of holders blocking the fence from finishing. * The vma itself is keeping a hold, which is released when unbind * is scheduled. + * @work: Work struct for deferred unbind work. + * @chain: Pointer to struct i915_sw_fence used to await dependencies. + * @rb: Rb node for the vm's pending unbind interval tree. + * @__subtree_last: Interval tree private member. + * @vm: non-refcounted pointer to the vm. This is for internal use only and + * this member is cleared after vm_resource unbind. + * @ops: Pointer to the backend i915_vma_ops. * @private: Bind backend private info. * @start: Offset into the address space of bind range start. * @node_size: Size of the allocated range manager node. @@ -45,6 +54,8 @@ struct i915_page_sizes { * @page_sizes_gtt: Resulting page sizes from the bind operation. * @bound_flags: Flags indicating binding status. * @allocated: Backend private data. TODO: Should move into @private. + * @immediate_unbind: Unbind can be done immediately and don't need to be + * deferred to a work item awaiting unsignaled fences. * * The lifetime of a struct i915_vma_resource is from a binding request to * the actual possible asynchronous unbind has completed. @@ -54,6 +65,12 @@ struct i915_vma_resource { /* See above for description of the lock. */ spinlock_t lock; refcount_t hold_count; + struct work_struct work; + struct i915_sw_fence chain; + struct rb_node rb; + u64 __subtree_last; + struct i915_address_space *vm; + intel_wakeref_t wakeref; /** * struct i915_vma_bindinfo - Information needed for async bind @@ -73,13 +90,17 @@ struct i915_vma_resource { bool lmem:1; } bi; + const struct i915_vma_ops *ops; void *private; u64 start; u64 node_size; u64 vma_size; u32 page_sizes_gtt; + u32 bound_flags; bool allocated:1; + bool immediate_unbind:1; + bool needs_wakeref:1; }; bool i915_vma_resource_hold(struct i915_vma_resource *vma_res, @@ -90,6 +111,8 @@ void i915_vma_resource_unhold(struct i915_vma_resource *vma_res, struct i915_vma_resource *i915_vma_resource_alloc(void); +void i915_vma_resource_free(struct i915_vma_resource *vma_res); + struct dma_fence *i915_vma_resource_unbind(struct i915_vma_resource *vma_res); void __i915_vma_resource_init(struct i915_vma_resource *vma_res); @@ -119,10 +142,12 @@ static inline void i915_vma_resource_put(struct i915_vma_resource *vma_res) /** * i915_vma_resource_init - Initialize a vma resource. * @vma_res: The vma resource to initialize + * @vm: Pointer to the vm. * @pages: The pages sg-table. * @page_sizes: Page sizes of the pages. * @readonly: Whether the vma should be bound read-only. * @lmem: Whether the vma points to lmem. + * @ops: The backend ops. * @private: Bind backend private info. * @start: Offset into the address space of bind range start. * @node_size: Size of the allocated range manager node. @@ -134,20 +159,24 @@ static inline void i915_vma_resource_put(struct i915_vma_resource *vma_res) * allocation is not allowed. */ static inline void i915_vma_resource_init(struct i915_vma_resource *vma_res, + struct i915_address_space *vm, struct sg_table *pages, const struct i915_page_sizes *page_sizes, bool readonly, bool lmem, + const struct i915_vma_ops *ops, void *private, u64 start, u64 node_size, u64 size) { __i915_vma_resource_init(vma_res); + vma_res->vm = vm; vma_res->bi.pages = pages; vma_res->bi.page_sizes = *page_sizes; vma_res->bi.readonly = readonly; vma_res->bi.lmem = lmem; + vma_res->ops = ops; vma_res->private = private; vma_res->start = start; vma_res->node_size = node_size; @@ -157,6 +186,25 @@ static inline void i915_vma_resource_init(struct i915_vma_resource *vma_res, static inline void i915_vma_resource_fini(struct i915_vma_resource *vma_res) { GEM_BUG_ON(refcount_read(&vma_res->hold_count) != 1); + i915_sw_fence_fini(&vma_res->chain); } +int i915_vma_resource_bind_dep_sync(struct i915_address_space *vm, + u64 first, + u64 last, + bool intr); + +int i915_vma_resource_bind_dep_await(struct i915_address_space *vm, + struct i915_sw_fence *sw_fence, + u64 first, + u64 last, + bool intr, + gfp_t gfp); + +void i915_vma_resource_bind_dep_sync_all(struct i915_address_space *vm); + +void i915_vma_resource_module_exit(void); + +int i915_vma_resource_module_init(void); + #endif |