655 lines
19 KiB
C
655 lines
19 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2016 Intel Corporation
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*/
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#ifndef __I915_GEM_OBJECT_H__
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#define __I915_GEM_OBJECT_H__
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#include <drm/drm_gem.h>
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#include <drm/drm_file.h>
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#include <drm/drm_device.h>
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#include "display/intel_frontbuffer.h"
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#include "intel_memory_region.h"
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#include "i915_gem_object_types.h"
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#include "i915_gem_gtt.h"
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#include "i915_gem_ww.h"
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#include "i915_vma_types.h"
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enum intel_region_id;
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/*
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* XXX: There is a prevalence of the assumption that we fit the
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* object's page count inside a 32bit _signed_ variable. Let's document
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* this and catch if we ever need to fix it. In the meantime, if you do
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* spot such a local variable, please consider fixing!
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*
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* Aside from our own locals (for which we have no excuse!):
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* - sg_table embeds unsigned int for num_pages
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* - get_user_pages*() mixed ints with longs
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*/
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#define GEM_CHECK_SIZE_OVERFLOW(sz) \
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GEM_WARN_ON((sz) >> PAGE_SHIFT > INT_MAX)
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static inline bool i915_gem_object_size_2big(u64 size)
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{
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struct drm_i915_gem_object *obj;
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if (GEM_CHECK_SIZE_OVERFLOW(size))
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return true;
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if (overflows_type(size, obj->base.size))
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return true;
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return false;
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}
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void i915_gem_init__objects(struct drm_i915_private *i915);
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void i915_objects_module_exit(void);
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int i915_objects_module_init(void);
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struct drm_i915_gem_object *i915_gem_object_alloc(void);
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void i915_gem_object_free(struct drm_i915_gem_object *obj);
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void i915_gem_object_init(struct drm_i915_gem_object *obj,
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const struct drm_i915_gem_object_ops *ops,
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struct lock_class_key *key,
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unsigned alloc_flags);
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void __i915_gem_object_fini(struct drm_i915_gem_object *obj);
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struct drm_i915_gem_object *
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i915_gem_object_create_shmem(struct drm_i915_private *i915,
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resource_size_t size);
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struct drm_i915_gem_object *
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i915_gem_object_create_shmem_from_data(struct drm_i915_private *i915,
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const void *data, resource_size_t size);
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struct drm_i915_gem_object *
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__i915_gem_object_create_user(struct drm_i915_private *i915, u64 size,
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struct intel_memory_region **placements,
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unsigned int n_placements);
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extern const struct drm_i915_gem_object_ops i915_gem_shmem_ops;
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void __i915_gem_object_release_shmem(struct drm_i915_gem_object *obj,
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struct sg_table *pages,
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bool needs_clflush);
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int i915_gem_object_pwrite_phys(struct drm_i915_gem_object *obj,
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const struct drm_i915_gem_pwrite *args);
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int i915_gem_object_pread_phys(struct drm_i915_gem_object *obj,
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const struct drm_i915_gem_pread *args);
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int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align);
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void i915_gem_object_put_pages_shmem(struct drm_i915_gem_object *obj,
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struct sg_table *pages);
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void i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj,
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struct sg_table *pages);
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void i915_gem_flush_free_objects(struct drm_i915_private *i915);
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struct sg_table *
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__i915_gem_object_unset_pages(struct drm_i915_gem_object *obj);
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/**
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* i915_gem_object_lookup_rcu - look up a temporary GEM object from its handle
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* @filp: DRM file private date
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* @handle: userspace handle
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*
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* Returns:
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*
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* A pointer to the object named by the handle if such exists on @filp, NULL
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* otherwise. This object is only valid whilst under the RCU read lock, and
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* note carefully the object may be in the process of being destroyed.
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*/
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static inline struct drm_i915_gem_object *
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i915_gem_object_lookup_rcu(struct drm_file *file, u32 handle)
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{
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#ifdef CONFIG_LOCKDEP
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WARN_ON(debug_locks && !lock_is_held(&rcu_lock_map));
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#endif
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return idr_find(&file->object_idr, handle);
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}
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static inline struct drm_i915_gem_object *
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i915_gem_object_get_rcu(struct drm_i915_gem_object *obj)
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{
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if (obj && !kref_get_unless_zero(&obj->base.refcount))
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obj = NULL;
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return obj;
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}
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static inline struct drm_i915_gem_object *
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i915_gem_object_lookup(struct drm_file *file, u32 handle)
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{
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struct drm_i915_gem_object *obj;
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rcu_read_lock();
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obj = i915_gem_object_lookup_rcu(file, handle);
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obj = i915_gem_object_get_rcu(obj);
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rcu_read_unlock();
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return obj;
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}
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__deprecated
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struct drm_gem_object *
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drm_gem_object_lookup(struct drm_file *file, u32 handle);
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__attribute__((nonnull))
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static inline struct drm_i915_gem_object *
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i915_gem_object_get(struct drm_i915_gem_object *obj)
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{
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drm_gem_object_get(&obj->base);
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return obj;
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}
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__attribute__((nonnull))
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static inline void
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i915_gem_object_put(struct drm_i915_gem_object *obj)
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{
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__drm_gem_object_put(&obj->base);
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}
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#define assert_object_held(obj) dma_resv_assert_held((obj)->base.resv)
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/*
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* If more than one potential simultaneous locker, assert held.
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*/
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static inline void assert_object_held_shared(const struct drm_i915_gem_object *obj)
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{
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/*
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* Note mm list lookup is protected by
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* kref_get_unless_zero().
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*/
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if (IS_ENABLED(CONFIG_LOCKDEP) &&
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kref_read(&obj->base.refcount) > 0)
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assert_object_held(obj);
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}
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static inline int __i915_gem_object_lock(struct drm_i915_gem_object *obj,
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struct i915_gem_ww_ctx *ww,
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bool intr)
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{
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int ret;
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if (intr)
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ret = dma_resv_lock_interruptible(obj->base.resv, ww ? &ww->ctx : NULL);
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else
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ret = dma_resv_lock(obj->base.resv, ww ? &ww->ctx : NULL);
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if (!ret && ww) {
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i915_gem_object_get(obj);
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list_add_tail(&obj->obj_link, &ww->obj_list);
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}
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if (ret == -EALREADY)
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ret = 0;
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if (ret == -EDEADLK) {
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i915_gem_object_get(obj);
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ww->contended = obj;
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}
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return ret;
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}
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static inline int i915_gem_object_lock(struct drm_i915_gem_object *obj,
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struct i915_gem_ww_ctx *ww)
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{
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return __i915_gem_object_lock(obj, ww, ww && ww->intr);
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}
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static inline int i915_gem_object_lock_interruptible(struct drm_i915_gem_object *obj,
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struct i915_gem_ww_ctx *ww)
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{
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WARN_ON(ww && !ww->intr);
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return __i915_gem_object_lock(obj, ww, true);
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}
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static inline bool i915_gem_object_trylock(struct drm_i915_gem_object *obj,
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struct i915_gem_ww_ctx *ww)
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{
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if (!ww)
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return dma_resv_trylock(obj->base.resv);
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else
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return ww_mutex_trylock(&obj->base.resv->lock, &ww->ctx);
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}
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static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj)
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{
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if (obj->ops->adjust_lru)
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obj->ops->adjust_lru(obj);
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dma_resv_unlock(obj->base.resv);
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}
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static inline void
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i915_gem_object_set_readonly(struct drm_i915_gem_object *obj)
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{
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obj->flags |= I915_BO_READONLY;
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}
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static inline bool
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i915_gem_object_is_readonly(const struct drm_i915_gem_object *obj)
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{
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return obj->flags & I915_BO_READONLY;
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}
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static inline bool
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i915_gem_object_is_contiguous(const struct drm_i915_gem_object *obj)
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{
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return obj->flags & I915_BO_ALLOC_CONTIGUOUS;
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}
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static inline bool
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i915_gem_object_is_volatile(const struct drm_i915_gem_object *obj)
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{
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return obj->flags & I915_BO_ALLOC_VOLATILE;
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}
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static inline void
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i915_gem_object_set_volatile(struct drm_i915_gem_object *obj)
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{
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obj->flags |= I915_BO_ALLOC_VOLATILE;
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}
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static inline bool
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i915_gem_object_has_tiling_quirk(struct drm_i915_gem_object *obj)
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{
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return test_bit(I915_TILING_QUIRK_BIT, &obj->flags);
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}
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static inline void
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i915_gem_object_set_tiling_quirk(struct drm_i915_gem_object *obj)
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{
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set_bit(I915_TILING_QUIRK_BIT, &obj->flags);
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}
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static inline void
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i915_gem_object_clear_tiling_quirk(struct drm_i915_gem_object *obj)
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{
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clear_bit(I915_TILING_QUIRK_BIT, &obj->flags);
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}
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static inline bool
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i915_gem_object_is_protected(const struct drm_i915_gem_object *obj)
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{
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return obj->flags & I915_BO_PROTECTED;
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}
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static inline bool
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i915_gem_object_type_has(const struct drm_i915_gem_object *obj,
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unsigned long flags)
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{
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return obj->ops->flags & flags;
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}
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bool i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj);
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bool i915_gem_object_has_iomem(const struct drm_i915_gem_object *obj);
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static inline bool
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i915_gem_object_is_shrinkable(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_SHRINKABLE);
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}
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static inline bool
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i915_gem_object_has_self_managed_shrink_list(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_type_has(obj, I915_GEM_OBJECT_SELF_MANAGED_SHRINK_LIST);
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}
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static inline bool
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i915_gem_object_is_proxy(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_PROXY);
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}
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static inline bool
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i915_gem_object_never_mmap(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_type_has(obj, I915_GEM_OBJECT_NO_MMAP);
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}
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static inline bool
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i915_gem_object_is_framebuffer(const struct drm_i915_gem_object *obj)
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{
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return READ_ONCE(obj->frontbuffer) || obj->is_dpt;
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}
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static inline unsigned int
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i915_gem_object_get_tiling(const struct drm_i915_gem_object *obj)
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{
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return obj->tiling_and_stride & TILING_MASK;
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}
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static inline bool
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i915_gem_object_is_tiled(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_object_get_tiling(obj) != I915_TILING_NONE;
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}
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static inline unsigned int
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i915_gem_object_get_stride(const struct drm_i915_gem_object *obj)
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{
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return obj->tiling_and_stride & STRIDE_MASK;
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}
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static inline unsigned int
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i915_gem_tile_height(unsigned int tiling)
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{
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GEM_BUG_ON(!tiling);
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return tiling == I915_TILING_Y ? 32 : 8;
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}
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static inline unsigned int
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i915_gem_object_get_tile_height(const struct drm_i915_gem_object *obj)
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{
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return i915_gem_tile_height(i915_gem_object_get_tiling(obj));
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}
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static inline unsigned int
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i915_gem_object_get_tile_row_size(const struct drm_i915_gem_object *obj)
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{
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return (i915_gem_object_get_stride(obj) *
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i915_gem_object_get_tile_height(obj));
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}
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int i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
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unsigned int tiling, unsigned int stride);
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|
|
||
|
|
struct scatterlist *
|
||
|
|
__i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
|
||
|
|
struct i915_gem_object_page_iter *iter,
|
||
|
|
unsigned int n,
|
||
|
|
unsigned int *offset, bool dma);
|
||
|
|
|
||
|
|
static inline struct scatterlist *
|
||
|
|
i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int n,
|
||
|
|
unsigned int *offset)
|
||
|
|
{
|
||
|
|
return __i915_gem_object_get_sg(obj, &obj->mm.get_page, n, offset, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct scatterlist *
|
||
|
|
i915_gem_object_get_sg_dma(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int n,
|
||
|
|
unsigned int *offset)
|
||
|
|
{
|
||
|
|
return __i915_gem_object_get_sg(obj, &obj->mm.get_dma_page, n, offset, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct page *
|
||
|
|
i915_gem_object_get_page(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int n);
|
||
|
|
|
||
|
|
struct page *
|
||
|
|
i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int n);
|
||
|
|
|
||
|
|
dma_addr_t
|
||
|
|
i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned long n,
|
||
|
|
unsigned int *len);
|
||
|
|
|
||
|
|
dma_addr_t
|
||
|
|
i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned long n);
|
||
|
|
|
||
|
|
void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj,
|
||
|
|
struct sg_table *pages,
|
||
|
|
unsigned int sg_page_sizes);
|
||
|
|
|
||
|
|
int ____i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
|
||
|
|
int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
static inline int __must_check
|
||
|
|
i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
assert_object_held(obj);
|
||
|
|
|
||
|
|
if (atomic_inc_not_zero(&obj->mm.pages_pin_count))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return __i915_gem_object_get_pages(obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_gem_object_pin_pages_unlocked(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
static inline bool
|
||
|
|
i915_gem_object_has_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
return !IS_ERR_OR_NULL(READ_ONCE(obj->mm.pages));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
__i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
|
||
|
|
|
||
|
|
atomic_inc(&obj->mm.pages_pin_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool
|
||
|
|
i915_gem_object_has_pinned_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
return atomic_read(&obj->mm.pages_pin_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
__i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
|
||
|
|
GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
|
||
|
|
|
||
|
|
atomic_dec(&obj->mm.pages_pin_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
__i915_gem_object_unpin_pages(obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
|
||
|
|
int i915_gem_object_truncate(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* i915_gem_object_pin_map - return a contiguous mapping of the entire object
|
||
|
|
* @obj: the object to map into kernel address space
|
||
|
|
* @type: the type of mapping, used to select pgprot_t
|
||
|
|
*
|
||
|
|
* Calls i915_gem_object_pin_pages() to prevent reaping of the object's
|
||
|
|
* pages and then returns a contiguous mapping of the backing storage into
|
||
|
|
* the kernel address space. Based on the @type of mapping, the PTE will be
|
||
|
|
* set to either WriteBack or WriteCombine (via pgprot_t).
|
||
|
|
*
|
||
|
|
* The caller is responsible for calling i915_gem_object_unpin_map() when the
|
||
|
|
* mapping is no longer required.
|
||
|
|
*
|
||
|
|
* Returns the pointer through which to access the mapped object, or an
|
||
|
|
* ERR_PTR() on error.
|
||
|
|
*/
|
||
|
|
void *__must_check i915_gem_object_pin_map(struct drm_i915_gem_object *obj,
|
||
|
|
enum i915_map_type type);
|
||
|
|
|
||
|
|
void *__must_check i915_gem_object_pin_map_unlocked(struct drm_i915_gem_object *obj,
|
||
|
|
enum i915_map_type type);
|
||
|
|
|
||
|
|
void __i915_gem_object_flush_map(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned long offset,
|
||
|
|
unsigned long size);
|
||
|
|
static inline void i915_gem_object_flush_map(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
__i915_gem_object_flush_map(obj, 0, obj->base.size);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* i915_gem_object_unpin_map - releases an earlier mapping
|
||
|
|
* @obj: the object to unmap
|
||
|
|
*
|
||
|
|
* After pinning the object and mapping its pages, once you are finished
|
||
|
|
* with your access, call i915_gem_object_unpin_map() to release the pin
|
||
|
|
* upon the mapping. Once the pin count reaches zero, that mapping may be
|
||
|
|
* removed.
|
||
|
|
*/
|
||
|
|
static inline void i915_gem_object_unpin_map(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
i915_gem_object_unpin_pages(obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __i915_gem_object_release_map(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
int i915_gem_object_prepare_read(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int *needs_clflush);
|
||
|
|
int i915_gem_object_prepare_write(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int *needs_clflush);
|
||
|
|
#define CLFLUSH_BEFORE BIT(0)
|
||
|
|
#define CLFLUSH_AFTER BIT(1)
|
||
|
|
#define CLFLUSH_FLAGS (CLFLUSH_BEFORE | CLFLUSH_AFTER)
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_gem_object_finish_access(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
i915_gem_object_unpin_pages(obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_gem_object_get_moving_fence(struct drm_i915_gem_object *obj,
|
||
|
|
struct dma_fence **fence);
|
||
|
|
int i915_gem_object_wait_moving_fence(struct drm_i915_gem_object *obj,
|
||
|
|
bool intr);
|
||
|
|
bool i915_gem_object_has_unknown_state(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int cache_level);
|
||
|
|
bool i915_gem_object_can_bypass_llc(struct drm_i915_gem_object *obj);
|
||
|
|
void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj);
|
||
|
|
void i915_gem_object_flush_if_display_locked(struct drm_i915_gem_object *obj);
|
||
|
|
bool i915_gem_cpu_write_needs_clflush(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
int __must_check
|
||
|
|
i915_gem_object_set_to_wc_domain(struct drm_i915_gem_object *obj, bool write);
|
||
|
|
int __must_check
|
||
|
|
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write);
|
||
|
|
int __must_check
|
||
|
|
i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write);
|
||
|
|
struct i915_vma * __must_check
|
||
|
|
i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
|
||
|
|
struct i915_gem_ww_ctx *ww,
|
||
|
|
u32 alignment,
|
||
|
|
const struct i915_gtt_view *view,
|
||
|
|
unsigned int flags);
|
||
|
|
|
||
|
|
void i915_gem_object_make_unshrinkable(struct drm_i915_gem_object *obj);
|
||
|
|
void i915_gem_object_make_shrinkable(struct drm_i915_gem_object *obj);
|
||
|
|
void __i915_gem_object_make_shrinkable(struct drm_i915_gem_object *obj);
|
||
|
|
void __i915_gem_object_make_purgeable(struct drm_i915_gem_object *obj);
|
||
|
|
void i915_gem_object_make_purgeable(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
static inline void __start_cpu_write(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
obj->read_domains = I915_GEM_DOMAIN_CPU;
|
||
|
|
obj->write_domain = I915_GEM_DOMAIN_CPU;
|
||
|
|
if (i915_gem_cpu_write_needs_clflush(obj))
|
||
|
|
obj->cache_dirty = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void i915_gem_fence_wait_priority(struct dma_fence *fence,
|
||
|
|
const struct i915_sched_attr *attr);
|
||
|
|
|
||
|
|
int i915_gem_object_wait(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int flags,
|
||
|
|
long timeout);
|
||
|
|
int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int flags,
|
||
|
|
const struct i915_sched_attr *attr);
|
||
|
|
|
||
|
|
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
|
||
|
|
enum fb_op_origin origin);
|
||
|
|
void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
|
||
|
|
enum fb_op_origin origin);
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
|
||
|
|
enum fb_op_origin origin)
|
||
|
|
{
|
||
|
|
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
|
||
|
|
__i915_gem_object_flush_frontbuffer(obj, origin);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
|
||
|
|
enum fb_op_origin origin)
|
||
|
|
{
|
||
|
|
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
|
||
|
|
__i915_gem_object_invalidate_frontbuffer(obj, origin);
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset, void *dst, int size);
|
||
|
|
|
||
|
|
bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
void __i915_gem_free_object_rcu(struct rcu_head *head);
|
||
|
|
|
||
|
|
void __i915_gem_object_pages_fini(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
void __i915_gem_free_object(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
bool i915_gem_object_evictable(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
bool i915_gem_object_migratable(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
int i915_gem_object_migrate(struct drm_i915_gem_object *obj,
|
||
|
|
struct i915_gem_ww_ctx *ww,
|
||
|
|
enum intel_region_id id);
|
||
|
|
int __i915_gem_object_migrate(struct drm_i915_gem_object *obj,
|
||
|
|
struct i915_gem_ww_ctx *ww,
|
||
|
|
enum intel_region_id id,
|
||
|
|
unsigned int flags);
|
||
|
|
|
||
|
|
bool i915_gem_object_can_migrate(struct drm_i915_gem_object *obj,
|
||
|
|
enum intel_region_id id);
|
||
|
|
|
||
|
|
int i915_gem_object_wait_migration(struct drm_i915_gem_object *obj,
|
||
|
|
unsigned int flags);
|
||
|
|
|
||
|
|
bool i915_gem_object_placement_possible(struct drm_i915_gem_object *obj,
|
||
|
|
enum intel_memory_type type);
|
||
|
|
|
||
|
|
bool i915_gem_object_needs_ccs_pages(struct drm_i915_gem_object *obj);
|
||
|
|
|
||
|
|
int shmem_sg_alloc_table(struct drm_i915_private *i915, struct sg_table *st,
|
||
|
|
size_t size, struct intel_memory_region *mr,
|
||
|
|
struct address_space *mapping,
|
||
|
|
unsigned int max_segment);
|
||
|
|
void shmem_sg_free_table(struct sg_table *st, struct address_space *mapping,
|
||
|
|
bool dirty, bool backup);
|
||
|
|
void __shmem_writeback(size_t size, struct address_space *mapping);
|
||
|
|
|
||
|
|
#ifdef CONFIG_MMU_NOTIFIER
|
||
|
|
static inline bool
|
||
|
|
i915_gem_object_is_userptr(struct drm_i915_gem_object *obj)
|
||
|
|
{
|
||
|
|
return obj->userptr.notifier.mm;
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_gem_object_userptr_submit_init(struct drm_i915_gem_object *obj);
|
||
|
|
int i915_gem_object_userptr_submit_done(struct drm_i915_gem_object *obj);
|
||
|
|
int i915_gem_object_userptr_validate(struct drm_i915_gem_object *obj);
|
||
|
|
#else
|
||
|
|
static inline bool i915_gem_object_is_userptr(struct drm_i915_gem_object *obj) { return false; }
|
||
|
|
|
||
|
|
static inline int i915_gem_object_userptr_submit_init(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }
|
||
|
|
static inline int i915_gem_object_userptr_submit_done(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }
|
||
|
|
static inline int i915_gem_object_userptr_validate(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|