Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Chris Wilson | 1217 | 45.58% | 94 | 53.11% |
Maarten Lankhorst | 283 | 10.60% | 13 | 7.34% |
Joonas Lahtinen | 279 | 10.45% | 2 | 1.13% |
Daniel Vetter | 221 | 8.28% | 5 | 2.82% |
Thomas Hellstrom | 156 | 5.84% | 11 | 6.21% |
Matthew Auld | 137 | 5.13% | 16 | 9.04% |
Eric Anholt | 100 | 3.75% | 2 | 1.13% |
Ben Widawsky | 68 | 2.55% | 2 | 1.13% |
Tvrtko A. Ursulin | 43 | 1.61% | 2 | 1.13% |
Fei Yang | 24 | 0.90% | 2 | 1.13% |
Jason Ekstrand | 22 | 0.82% | 1 | 0.56% |
Imre Deak | 22 | 0.82% | 1 | 0.56% |
Dave Airlie | 14 | 0.52% | 3 | 1.69% |
Daniele Ceraolo Spurio | 13 | 0.49% | 1 | 0.56% |
Dave Gordon | 10 | 0.37% | 1 | 0.56% |
Zou Nan hai | 7 | 0.26% | 1 | 0.56% |
Abdiel Janulgue | 7 | 0.26% | 2 | 1.13% |
Christian König | 6 | 0.22% | 2 | 1.13% |
Vidya Srinivas | 6 | 0.22% | 1 | 0.56% |
Jani Nikula | 5 | 0.19% | 2 | 1.13% |
Tina Zhang | 5 | 0.19% | 1 | 0.56% |
Janusz Krzysztofik | 5 | 0.19% | 2 | 1.13% |
Ville Syrjälä | 4 | 0.15% | 1 | 0.56% |
Michal Wajdeczko | 3 | 0.11% | 1 | 0.56% |
Michel Thierry | 3 | 0.11% | 1 | 0.56% |
Paulo Zanoni | 3 | 0.11% | 1 | 0.56% |
Mika Kuoppala | 2 | 0.07% | 1 | 0.56% |
Thomas Zimmermann | 2 | 0.07% | 2 | 1.13% |
Ramalingam C | 1 | 0.04% | 1 | 0.56% |
Ankitprasad Sharma | 1 | 0.04% | 1 | 0.56% |
Niranjana Vishwanathapura | 1 | 0.04% | 1 | 0.56% |
Total | 2670 | 177 |
/* * SPDX-License-Identifier: MIT * * Copyright © 2016 Intel Corporation */ #ifndef __I915_GEM_OBJECT_H__ #define __I915_GEM_OBJECT_H__ #include <drm/drm_gem.h> #include <drm/drm_file.h> #include <drm/drm_device.h> #include "intel_memory_region.h" #include "i915_gem_object_types.h" #include "i915_gem_gtt.h" #include "i915_gem_ww.h" #include "i915_vma_types.h" enum intel_region_id; #define obj_to_i915(obj__) to_i915((obj__)->base.dev) static inline bool i915_gem_object_size_2big(u64 size) { struct drm_i915_gem_object *obj; if (overflows_type(size, obj->base.size)) return true; return false; } unsigned int i915_gem_get_pat_index(struct drm_i915_private *i915, enum i915_cache_level level); bool i915_gem_object_has_cache_level(const struct drm_i915_gem_object *obj, enum i915_cache_level lvl); void i915_gem_init__objects(struct drm_i915_private *i915); void i915_objects_module_exit(void); int i915_objects_module_init(void); struct drm_i915_gem_object *i915_gem_object_alloc(void); void i915_gem_object_free(struct drm_i915_gem_object *obj); void i915_gem_object_init(struct drm_i915_gem_object *obj, const struct drm_i915_gem_object_ops *ops, struct lock_class_key *key, unsigned alloc_flags); void __i915_gem_object_fini(struct drm_i915_gem_object *obj); struct drm_i915_gem_object * i915_gem_object_create_shmem(struct drm_i915_private *i915, resource_size_t size); struct drm_i915_gem_object * i915_gem_object_create_shmem_from_data(struct drm_i915_private *i915, const void *data, resource_size_t size); struct drm_i915_gem_object * __i915_gem_object_create_user(struct drm_i915_private *i915, u64 size, struct intel_memory_region **placements, unsigned int n_placements); extern const struct drm_i915_gem_object_ops i915_gem_shmem_ops; void __i915_gem_object_release_shmem(struct drm_i915_gem_object *obj, struct sg_table *pages, bool needs_clflush); int i915_gem_object_pwrite_phys(struct drm_i915_gem_object *obj, const struct drm_i915_gem_pwrite *args); int i915_gem_object_pread_phys(struct drm_i915_gem_object *obj, const struct drm_i915_gem_pread *args); int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align); void i915_gem_object_put_pages_shmem(struct drm_i915_gem_object *obj, struct sg_table *pages); void i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj, struct sg_table *pages); void i915_gem_flush_free_objects(struct drm_i915_private *i915); struct sg_table * __i915_gem_object_unset_pages(struct drm_i915_gem_object *obj); /** * i915_gem_object_lookup_rcu - look up a temporary GEM object from its handle * @file: DRM file private date * @handle: userspace handle * * Returns: * * A pointer to the object named by the handle if such exists on @filp, NULL * otherwise. This object is only valid whilst under the RCU read lock, and * note carefully the object may be in the process of being destroyed. */ static inline struct drm_i915_gem_object * i915_gem_object_lookup_rcu(struct drm_file *file, u32 handle) { #ifdef CONFIG_LOCKDEP WARN_ON(debug_locks && !lock_is_held(&rcu_lock_map)); #endif return idr_find(&file->object_idr, handle); } static inline struct drm_i915_gem_object * i915_gem_object_get_rcu(struct drm_i915_gem_object *obj) { if (obj && !kref_get_unless_zero(&obj->base.refcount)) obj = NULL; return obj; } static inline struct drm_i915_gem_object * i915_gem_object_lookup(struct drm_file *file, u32 handle) { struct drm_i915_gem_object *obj; rcu_read_lock(); obj = i915_gem_object_lookup_rcu(file, handle); obj = i915_gem_object_get_rcu(obj); rcu_read_unlock(); return obj; } __deprecated struct drm_gem_object * drm_gem_object_lookup(struct drm_file *file, u32 handle); __attribute__((nonnull)) static inline struct drm_i915_gem_object * i915_gem_object_get(struct drm_i915_gem_object *obj) { drm_gem_object_get(&obj->base); return obj; } __attribute__((nonnull)) static inline void i915_gem_object_put(struct drm_i915_gem_object *obj) { __drm_gem_object_put(&obj->base); } #define assert_object_held(obj) dma_resv_assert_held((obj)->base.resv) /* * If more than one potential simultaneous locker, assert held. */ static inline void assert_object_held_shared(const struct drm_i915_gem_object *obj) { /* * Note mm list lookup is protected by * kref_get_unless_zero(). */ if (IS_ENABLED(CONFIG_LOCKDEP) && kref_read(&obj->base.refcount) > 0) assert_object_held(obj); } static inline int __i915_gem_object_lock(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww, bool intr) { int ret; if (intr) ret = dma_resv_lock_interruptible(obj->base.resv, ww ? &ww->ctx : NULL); else ret = dma_resv_lock(obj->base.resv, ww ? &ww->ctx : NULL); if (!ret && ww) { i915_gem_object_get(obj); list_add_tail(&obj->obj_link, &ww->obj_list); } if (ret == -EALREADY) ret = 0; if (ret == -EDEADLK) { i915_gem_object_get(obj); ww->contended = obj; } return ret; } static inline int i915_gem_object_lock(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww) { return __i915_gem_object_lock(obj, ww, ww && ww->intr); } static inline int i915_gem_object_lock_interruptible(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww) { WARN_ON(ww && !ww->intr); return __i915_gem_object_lock(obj, ww, true); } static inline bool i915_gem_object_trylock(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww) { if (!ww) return dma_resv_trylock(obj->base.resv); else return ww_mutex_trylock(&obj->base.resv->lock, &ww->ctx); } static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj) { if (obj->ops->adjust_lru) obj->ops->adjust_lru(obj); dma_resv_unlock(obj->base.resv); } static inline void i915_gem_object_set_readonly(struct drm_i915_gem_object *obj) { obj->flags |= I915_BO_READONLY; } static inline bool i915_gem_object_is_readonly(const struct drm_i915_gem_object *obj) { return obj->flags & I915_BO_READONLY; } static inline bool i915_gem_object_is_contiguous(const struct drm_i915_gem_object *obj) { return obj->flags & I915_BO_ALLOC_CONTIGUOUS; } static inline bool i915_gem_object_is_volatile(const struct drm_i915_gem_object *obj) { return obj->flags & I915_BO_ALLOC_VOLATILE; } static inline void i915_gem_object_set_volatile(struct drm_i915_gem_object *obj) { obj->flags |= I915_BO_ALLOC_VOLATILE; } static inline bool i915_gem_object_has_tiling_quirk(struct drm_i915_gem_object *obj) { return test_bit(I915_TILING_QUIRK_BIT, &obj->flags); } static inline void i915_gem_object_set_tiling_quirk(struct drm_i915_gem_object *obj) { set_bit(I915_TILING_QUIRK_BIT, &obj->flags); } static inline void i915_gem_object_clear_tiling_quirk(struct drm_i915_gem_object *obj) { clear_bit(I915_TILING_QUIRK_BIT, &obj->flags); } static inline bool i915_gem_object_is_protected(const struct drm_i915_gem_object *obj) { return obj->flags & I915_BO_PROTECTED; } static inline bool i915_gem_object_type_has(const struct drm_i915_gem_object *obj, unsigned long flags) { return obj->ops->flags & flags; } bool i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj); bool i915_gem_object_has_iomem(const struct drm_i915_gem_object *obj); static inline bool i915_gem_object_is_shrinkable(const struct drm_i915_gem_object *obj) { /* TODO: make DPT shrinkable when it has no bound vmas */ return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_SHRINKABLE) && !obj->is_dpt; } static inline bool i915_gem_object_has_self_managed_shrink_list(const struct drm_i915_gem_object *obj) { return i915_gem_object_type_has(obj, I915_GEM_OBJECT_SELF_MANAGED_SHRINK_LIST); } static inline bool i915_gem_object_is_proxy(const struct drm_i915_gem_object *obj) { return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_PROXY); } static inline bool i915_gem_object_never_mmap(const struct drm_i915_gem_object *obj) { return i915_gem_object_type_has(obj, I915_GEM_OBJECT_NO_MMAP); } static inline bool i915_gem_object_is_framebuffer(const struct drm_i915_gem_object *obj) { return READ_ONCE(obj->frontbuffer) || obj->is_dpt; } static inline unsigned int i915_gem_object_get_tiling(const struct drm_i915_gem_object *obj) { return obj->tiling_and_stride & TILING_MASK; } static inline bool i915_gem_object_is_tiled(const struct drm_i915_gem_object *obj) { return i915_gem_object_get_tiling(obj) != I915_TILING_NONE; } static inline unsigned int i915_gem_object_get_stride(const struct drm_i915_gem_object *obj) { return obj->tiling_and_stride & STRIDE_MASK; } static inline unsigned int i915_gem_tile_height(unsigned int tiling) { GEM_BUG_ON(!tiling); return tiling == I915_TILING_Y ? 32 : 8; } static inline unsigned int i915_gem_object_get_tile_height(const struct drm_i915_gem_object *obj) { return i915_gem_tile_height(i915_gem_object_get_tiling(obj)); } static inline unsigned int i915_gem_object_get_tile_row_size(const struct drm_i915_gem_object *obj) { return (i915_gem_object_get_stride(obj) * i915_gem_object_get_tile_height(obj)); } int i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, unsigned int tiling, unsigned int stride); /** * __i915_gem_object_page_iter_get_sg - helper to find the target scatterlist * pointer and the target page position using pgoff_t n input argument and * i915_gem_object_page_iter * @obj: i915 GEM buffer object * @iter: i915 GEM buffer object page iterator * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * Context: Takes and releases the mutex lock of the i915_gem_object_page_iter. * Takes and releases the RCU lock to search the radix_tree of * i915_gem_object_page_iter. * * Returns: * The target scatterlist pointer and the target page position. * * Recommended to use wrapper macro: i915_gem_object_page_iter_get_sg() */ struct scatterlist * __i915_gem_object_page_iter_get_sg(struct drm_i915_gem_object *obj, struct i915_gem_object_page_iter *iter, pgoff_t n, unsigned int *offset); /** * i915_gem_object_page_iter_get_sg - wrapper macro for * __i915_gem_object_page_iter_get_sg() * @obj: i915 GEM buffer object * @it: i915 GEM buffer object page iterator * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * Context: Takes and releases the mutex lock of the i915_gem_object_page_iter. * Takes and releases the RCU lock to search the radix_tree of * i915_gem_object_page_iter. * * Returns: * The target scatterlist pointer and the target page position. * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_page_iter_get_sg(). */ #define i915_gem_object_page_iter_get_sg(obj, it, n, offset) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_page_iter_get_sg(obj, it, n, offset); \ }) /** * __i915_gem_object_get_sg - helper to find the target scatterlist * pointer and the target page position using pgoff_t n input argument and * drm_i915_gem_object. It uses an internal shmem scatterlist lookup function. * @obj: i915 GEM buffer object * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * It uses drm_i915_gem_object's internal shmem scatterlist lookup function as * i915_gem_object_page_iter and calls __i915_gem_object_page_iter_get_sg(). * * Returns: * The target scatterlist pointer and the target page position. * * Recommended to use wrapper macro: i915_gem_object_get_sg() * See also __i915_gem_object_page_iter_get_sg() */ static inline struct scatterlist * __i915_gem_object_get_sg(struct drm_i915_gem_object *obj, pgoff_t n, unsigned int *offset) { return __i915_gem_object_page_iter_get_sg(obj, &obj->mm.get_page, n, offset); } /** * i915_gem_object_get_sg - wrapper macro for __i915_gem_object_get_sg() * @obj: i915 GEM buffer object * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * Returns: * The target scatterlist pointer and the target page position. * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_sg(). * See also __i915_gem_object_page_iter_get_sg() */ #define i915_gem_object_get_sg(obj, n, offset) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_sg(obj, n, offset); \ }) /** * __i915_gem_object_get_sg_dma - helper to find the target scatterlist * pointer and the target page position using pgoff_t n input argument and * drm_i915_gem_object. It uses an internal DMA mapped scatterlist lookup function * @obj: i915 GEM buffer object * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * It uses drm_i915_gem_object's internal DMA mapped scatterlist lookup function * as i915_gem_object_page_iter and calls __i915_gem_object_page_iter_get_sg(). * * Returns: * The target scatterlist pointer and the target page position. * * Recommended to use wrapper macro: i915_gem_object_get_sg_dma() * See also __i915_gem_object_page_iter_get_sg() */ static inline struct scatterlist * __i915_gem_object_get_sg_dma(struct drm_i915_gem_object *obj, pgoff_t n, unsigned int *offset) { return __i915_gem_object_page_iter_get_sg(obj, &obj->mm.get_dma_page, n, offset); } /** * i915_gem_object_get_sg_dma - wrapper macro for __i915_gem_object_get_sg_dma() * @obj: i915 GEM buffer object * @n: page offset * @offset: searched physical offset, * it will be used for returning physical page offset value * * Returns: * The target scatterlist pointer and the target page position. * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_sg_dma(). * See also __i915_gem_object_page_iter_get_sg() */ #define i915_gem_object_get_sg_dma(obj, n, offset) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_sg_dma(obj, n, offset); \ }) /** * __i915_gem_object_get_page - helper to find the target page with a page offset * @obj: i915 GEM buffer object * @n: page offset * * It uses drm_i915_gem_object's internal shmem scatterlist lookup function as * i915_gem_object_page_iter and calls __i915_gem_object_page_iter_get_sg() * internally. * * Returns: * The target page pointer. * * Recommended to use wrapper macro: i915_gem_object_get_page() * See also __i915_gem_object_page_iter_get_sg() */ struct page * __i915_gem_object_get_page(struct drm_i915_gem_object *obj, pgoff_t n); /** * i915_gem_object_get_page - wrapper macro for __i915_gem_object_get_page * @obj: i915 GEM buffer object * @n: page offset * * Returns: * The target page pointer. * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_page(). * See also __i915_gem_object_page_iter_get_sg() */ #define i915_gem_object_get_page(obj, n) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_page(obj, n); \ }) /** * __i915_gem_object_get_dirty_page - helper to find the target page with a page * offset * @obj: i915 GEM buffer object * @n: page offset * * It works like i915_gem_object_get_page(), but it marks the returned page dirty. * * Returns: * The target page pointer. * * Recommended to use wrapper macro: i915_gem_object_get_dirty_page() * See also __i915_gem_object_page_iter_get_sg() and __i915_gem_object_get_page() */ struct page * __i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, pgoff_t n); /** * i915_gem_object_get_dirty_page - wrapper macro for __i915_gem_object_get_dirty_page * @obj: i915 GEM buffer object * @n: page offset * * Returns: * The target page pointer. * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_dirty_page(). * See also __i915_gem_object_page_iter_get_sg() and __i915_gem_object_get_page() */ #define i915_gem_object_get_dirty_page(obj, n) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_dirty_page(obj, n); \ }) /** * __i915_gem_object_get_dma_address_len - helper to get bus addresses of * targeted DMA mapped scatterlist from i915 GEM buffer object and it's length * @obj: i915 GEM buffer object * @n: page offset * @len: DMA mapped scatterlist's DMA bus addresses length to return * * Returns: * Bus addresses of targeted DMA mapped scatterlist * * Recommended to use wrapper macro: i915_gem_object_get_dma_address_len() * See also __i915_gem_object_page_iter_get_sg() and __i915_gem_object_get_sg_dma() */ dma_addr_t __i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj, pgoff_t n, unsigned int *len); /** * i915_gem_object_get_dma_address_len - wrapper macro for * __i915_gem_object_get_dma_address_len * @obj: i915 GEM buffer object * @n: page offset * @len: DMA mapped scatterlist's DMA bus addresses length to return * * Returns: * Bus addresses of targeted DMA mapped scatterlist * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_dma_address_len(). * See also __i915_gem_object_page_iter_get_sg() and * __i915_gem_object_get_dma_address_len() */ #define i915_gem_object_get_dma_address_len(obj, n, len) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_dma_address_len(obj, n, len); \ }) /** * __i915_gem_object_get_dma_address - helper to get bus addresses of * targeted DMA mapped scatterlist from i915 GEM buffer object * @obj: i915 GEM buffer object * @n: page offset * * Returns: * Bus addresses of targeted DMA mapped scatterlis * * Recommended to use wrapper macro: i915_gem_object_get_dma_address() * See also __i915_gem_object_page_iter_get_sg() and __i915_gem_object_get_sg_dma() */ dma_addr_t __i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj, pgoff_t n); /** * i915_gem_object_get_dma_address - wrapper macro for * __i915_gem_object_get_dma_address * @obj: i915 GEM buffer object * @n: page offset * * Returns: * Bus addresses of targeted DMA mapped scatterlist * * In order to avoid the truncation of the input parameter, it checks the page * offset n's type from the input parameter before calling * __i915_gem_object_get_dma_address(). * See also __i915_gem_object_page_iter_get_sg() and * __i915_gem_object_get_dma_address() */ #define i915_gem_object_get_dma_address(obj, n) ({ \ static_assert(castable_to_type(n, pgoff_t)); \ __i915_gem_object_get_dma_address(obj, n); \ }) void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, struct sg_table *pages); 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); void i915_gem_object_set_pat_index(struct drm_i915_gem_object *obj, unsigned int pat_index); 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); 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
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