1 files changed, 0 insertions, 509 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h
deleted file mode 100644
index ca93a40c0c87..000000000000
--- a/drivers/gpu/drm/i915/i915_gem_object.h
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Copyright © 2016 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-#ifndef __I915_GEM_OBJECT_H__
-#define __I915_GEM_OBJECT_H__
-
-#include <linux/reservation.h>
-
-#include <drm/drm_vma_manager.h>
-#include <drm/drm_gem.h>
-#include <drm/drm_file.h>
-#include <drm/drm_device.h>
-
-#include <drm/i915_drm.h>
-
-#include "i915_request.h"
-#include "i915_selftest.h"
-
-struct drm_i915_gem_object;
-
-/*
- * struct i915_lut_handle tracks the fast lookups from handle to vma used
- * for execbuf. Although we use a radixtree for that mapping, in order to
- * remove them as the object or context is closed, we need a secondary list
- * and a translation entry (i915_lut_handle).
- */
-struct i915_lut_handle {
-	struct list_head obj_link;
-	struct list_head ctx_link;
-	struct i915_gem_context *ctx;
-	u32 handle;
-};
-
-struct drm_i915_gem_object_ops {
-	unsigned int flags;
-#define I915_GEM_OBJECT_HAS_STRUCT_PAGE	BIT(0)
-#define I915_GEM_OBJECT_IS_SHRINKABLE	BIT(1)
-#define I915_GEM_OBJECT_IS_PROXY	BIT(2)
-#define I915_GEM_OBJECT_ASYNC_CANCEL	BIT(3)
-
-	/* Interface between the GEM object and its backing storage.
-	 * get_pages() is called once prior to the use of the associated set
-	 * of pages before to binding them into the GTT, and put_pages() is
-	 * called after we no longer need them. As we expect there to be
-	 * associated cost with migrating pages between the backing storage
-	 * and making them available for the GPU (e.g. clflush), we may hold
-	 * onto the pages after they are no longer referenced by the GPU
-	 * in case they may be used again shortly (for example migrating the
-	 * pages to a different memory domain within the GTT). put_pages()
-	 * will therefore most likely be called when the object itself is
-	 * being released or under memory pressure (where we attempt to
-	 * reap pages for the shrinker).
-	 */
-	int (*get_pages)(struct drm_i915_gem_object *);
-	void (*put_pages)(struct drm_i915_gem_object *, struct sg_table *);
-
-	int (*pwrite)(struct drm_i915_gem_object *,
-		      const struct drm_i915_gem_pwrite *);
-
-	int (*dmabuf_export)(struct drm_i915_gem_object *);
-	void (*release)(struct drm_i915_gem_object *);
-};
-
-struct drm_i915_gem_object {
-	struct drm_gem_object base;
-
-	const struct drm_i915_gem_object_ops *ops;
-
-	struct {
-		/**
-		 * @vma.lock: protect the list/tree of vmas
-		 */
-		spinlock_t lock;
-
-		/**
-		 * @vma.list: List of VMAs backed by this object
-		 *
-		 * The VMA on this list are ordered by type, all GGTT vma are
-		 * placed at the head and all ppGTT vma are placed at the tail.
-		 * The different types of GGTT vma are unordered between
-		 * themselves, use the @vma.tree (which has a defined order
-		 * between all VMA) to quickly find an exact match.
-		 */
-		struct list_head list;
-
-		/**
-		 * @vma.tree: Ordered tree of VMAs backed by this object
-		 *
-		 * All VMA created for this object are placed in the @vma.tree
-		 * for fast retrieval via a binary search in
-		 * i915_vma_instance(). They are also added to @vma.list for
-		 * easy iteration.
-		 */
-		struct rb_root tree;
-	} vma;
-
-	/**
-	 * @lut_list: List of vma lookup entries in use for this object.
-	 *
-	 * If this object is closed, we need to remove all of its VMA from
-	 * the fast lookup index in associated contexts; @lut_list provides
-	 * this translation from object to context->handles_vma.
-	 */
-	struct list_head lut_list;
-
-	/** Stolen memory for this object, instead of being backed by shmem. */
-	struct drm_mm_node *stolen;
-	union {
-		struct rcu_head rcu;
-		struct llist_node freed;
-	};
-
-	/**
-	 * Whether the object is currently in the GGTT mmap.
-	 */
-	unsigned int userfault_count;
-	struct list_head userfault_link;
-
-	struct list_head batch_pool_link;
-	I915_SELFTEST_DECLARE(struct list_head st_link);
-
-	unsigned long flags;
-
-	/**
-	 * Have we taken a reference for the object for incomplete GPU
-	 * activity?
-	 */
-#define I915_BO_ACTIVE_REF 0
-
-	/*
-	 * Is the object to be mapped as read-only to the GPU
-	 * Only honoured if hardware has relevant pte bit
-	 */
-	unsigned int cache_level:3;
-	unsigned int cache_coherent:2;
-#define I915_BO_CACHE_COHERENT_FOR_READ BIT(0)
-#define I915_BO_CACHE_COHERENT_FOR_WRITE BIT(1)
-	unsigned int cache_dirty:1;
-
-	/**
-	 * @read_domains: Read memory domains.
-	 *
-	 * These monitor which caches contain read/write data related to the
-	 * object. When transitioning from one set of domains to another,
-	 * the driver is called to ensure that caches are suitably flushed and
-	 * invalidated.
-	 */
-	u16 read_domains;
-
-	/**
-	 * @write_domain: Corresponding unique write memory domain.
-	 */
-	u16 write_domain;
-
-	atomic_t frontbuffer_bits;
-	unsigned int frontbuffer_ggtt_origin; /* write once */
-	struct i915_active_request frontbuffer_write;
-
-	/** Current tiling stride for the object, if it's tiled. */
-	unsigned int tiling_and_stride;
-#define FENCE_MINIMUM_STRIDE 128 /* See i915_tiling_ok() */
-#define TILING_MASK (FENCE_MINIMUM_STRIDE-1)
-#define STRIDE_MASK (~TILING_MASK)
-
-	/** Count of VMA actually bound by this object */
-	unsigned int bind_count;
-	unsigned int active_count;
-	/** Count of how many global VMA are currently pinned for use by HW */
-	unsigned int pin_global;
-
-	struct {
-		struct mutex lock; /* protects the pages and their use */
-		atomic_t pages_pin_count;
-
-		struct sg_table *pages;
-		void *mapping;
-
-		/* TODO: whack some of this into the error state */
-		struct i915_page_sizes {
-			/**
-			 * The sg mask of the pages sg_table. i.e the mask of
-			 * of the lengths for each sg entry.
-			 */
-			unsigned int phys;
-
-			/**
-			 * The gtt page sizes we are allowed to use given the
-			 * sg mask and the supported page sizes. This will
-			 * express the smallest unit we can use for the whole
-			 * object, as well as the larger sizes we may be able
-			 * to use opportunistically.
-			 */
-			unsigned int sg;
-
-			/**
-			 * The actual gtt page size usage. Since we can have
-			 * multiple vma associated with this object we need to
-			 * prevent any trampling of state, hence a copy of this
-			 * struct also lives in each vma, therefore the gtt
-			 * value here should only be read/write through the vma.
-			 */
-			unsigned int gtt;
-		} page_sizes;
-
-		I915_SELFTEST_DECLARE(unsigned int page_mask);
-
-		struct i915_gem_object_page_iter {
-			struct scatterlist *sg_pos;
-			unsigned int sg_idx; /* in pages, but 32bit eek! */
-
-			struct radix_tree_root radix;
-			struct mutex lock; /* protects this cache */
-		} get_page;
-
-		/**
-		 * Element within i915->mm.unbound_list or i915->mm.bound_list,
-		 * locked by i915->mm.obj_lock.
-		 */
-		struct list_head link;
-
-		/**
-		 * Advice: are the backing pages purgeable?
-		 */
-		unsigned int madv:2;
-
-		/**
-		 * This is set if the object has been written to since the
-		 * pages were last acquired.
-		 */
-		bool dirty:1;
-
-		/**
-		 * This is set if the object has been pinned due to unknown
-		 * swizzling.
-		 */
-		bool quirked:1;
-	} mm;
-
-	/** Breadcrumb of last rendering to the buffer.
-	 * There can only be one writer, but we allow for multiple readers.
-	 * If there is a writer that necessarily implies that all other
-	 * read requests are complete - but we may only be lazily clearing
-	 * the read requests. A read request is naturally the most recent
-	 * request on a ring, so we may have two different write and read
-	 * requests on one ring where the write request is older than the
-	 * read request. This allows for the CPU to read from an active
-	 * buffer by only waiting for the write to complete.
-	 */
-	struct reservation_object *resv;
-
-	/** References from framebuffers, locks out tiling changes. */
-	unsigned int framebuffer_references;
-
-	/** Record of address bit 17 of each page at last unbind. */
-	unsigned long *bit_17;
-
-	union {
-		struct i915_gem_userptr {
-			uintptr_t ptr;
-
-			struct i915_mm_struct *mm;
-			struct i915_mmu_object *mmu_object;
-			struct work_struct *work;
-		} userptr;
-
-		unsigned long scratch;
-
-		void *gvt_info;
-	};
-
-	/** for phys allocated objects */
-	struct drm_dma_handle *phys_handle;
-
-	struct reservation_object __builtin_resv;
-};
-
-static inline struct drm_i915_gem_object *
-to_intel_bo(struct drm_gem_object *gem)
-{
-	/* Assert that to_intel_bo(NULL) == NULL */
-	BUILD_BUG_ON(offsetof(struct drm_i915_gem_object, base));
-
-	return container_of(gem, struct drm_i915_gem_object, base);
-}
-
-struct drm_i915_gem_object *i915_gem_object_alloc(void);
-void i915_gem_object_free(struct drm_i915_gem_object *obj);
-
-/**
- * i915_gem_object_lookup_rcu - look up a temporary GEM object from its handle
- * @filp: 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_lookup(struct drm_file *file, u32 handle)
-{
-	struct drm_i915_gem_object *obj;
-
-	rcu_read_lock();
-	obj = i915_gem_object_lookup_rcu(file, handle);
-	if (obj && !kref_get_unless_zero(&obj->base.refcount))
-		obj = NULL;
-	rcu_read_unlock();
-
-	return obj;
-}
-
-__deprecated
-extern 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);
-}
-
-static inline void i915_gem_object_lock(struct drm_i915_gem_object *obj)
-{
-	reservation_object_lock(obj->resv, NULL);
-}
-
-static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj)
-{
-	reservation_object_unlock(obj->resv);
-}
-
-static inline void
-i915_gem_object_set_readonly(struct drm_i915_gem_object *obj)
-{
-	obj->base.vma_node.readonly = true;
-}
-
-static inline bool
-i915_gem_object_is_readonly(const struct drm_i915_gem_object *obj)
-{
-	return obj->base.vma_node.readonly;
-}
-
-static inline bool
-i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj)
-{
-	return obj->ops->flags & I915_GEM_OBJECT_HAS_STRUCT_PAGE;
-}
-
-static inline bool
-i915_gem_object_is_shrinkable(const struct drm_i915_gem_object *obj)
-{
-	return obj->ops->flags & I915_GEM_OBJECT_IS_SHRINKABLE;
-}
-
-static inline bool
-i915_gem_object_is_proxy(const struct drm_i915_gem_object *obj)
-{
-	return obj->ops->flags & I915_GEM_OBJECT_IS_PROXY;
-}
-
-static inline bool
-i915_gem_object_needs_async_cancel(const struct drm_i915_gem_object *obj)
-{
-	return obj->ops->flags & I915_GEM_OBJECT_ASYNC_CANCEL;
-}
-
-static inline bool
-i915_gem_object_is_active(const struct drm_i915_gem_object *obj)
-{
-	return obj->active_count;
-}
-
-static inline bool
-i915_gem_object_has_active_reference(const struct drm_i915_gem_object *obj)
-{
-	return test_bit(I915_BO_ACTIVE_REF, &obj->flags);
-}
-
-static inline void
-i915_gem_object_set_active_reference(struct drm_i915_gem_object *obj)
-{
-	lockdep_assert_held(&obj->base.dev->struct_mutex);
-	__set_bit(I915_BO_ACTIVE_REF, &obj->flags);
-}
-
-static inline void
-i915_gem_object_clear_active_reference(struct drm_i915_gem_object *obj)
-{
-	lockdep_assert_held(&obj->base.dev->struct_mutex);
-	__clear_bit(I915_BO_ACTIVE_REF, &obj->flags);
-}
-
-void __i915_gem_object_release_unless_active(struct drm_i915_gem_object *obj);
-
-static inline bool
-i915_gem_object_is_framebuffer(const struct drm_i915_gem_object *obj)
-{
-	return READ_ONCE(obj->framebuffer_references);
-}
-
-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);
-
-static inline struct intel_engine_cs *
-i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj)
-{
-	struct intel_engine_cs *engine = NULL;
-	struct dma_fence *fence;
-
-	rcu_read_lock();
-	fence = reservation_object_get_excl_rcu(obj->resv);
-	rcu_read_unlock();
-
-	if (fence && dma_fence_is_i915(fence) && !dma_fence_is_signaled(fence))
-		engine = to_request(fence)->engine;
-	dma_fence_put(fence);
-
-	return engine;
-}
-
-void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
-					 unsigned int cache_level);
-void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj);
-
-void __i915_gem_object_release_shmem(struct drm_i915_gem_object *obj,
-				     struct sg_table *pages,
-				     bool needs_clflush);
-
-#endif