# GEM (Graphics Execution Management) code
obj-y += gem/
+gem-y += \
+ gem/i915_gem_object.o
i915-y += \
+ $(gem-y) \
i915_active.o \
i915_cmd_parser.o \
i915_gem_batch_pool.o \
i915_gem_gtt.o \
i915_gem_internal.o \
i915_gem.o \
- i915_gem_object.o \
i915_gem_pm.o \
i915_gem_render_state.o \
i915_gem_shrinker.o \
--- /dev/null
+/*
+ * Copyright © 2017 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.
+ *
+ */
+
+#include "i915_drv.h"
+#include "i915_gem_object.h"
+#include "i915_globals.h"
+
+static struct i915_global_object {
+ struct i915_global base;
+ struct kmem_cache *slab_objects;
+} global;
+
+struct drm_i915_gem_object *i915_gem_object_alloc(void)
+{
+ return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+}
+
+void i915_gem_object_free(struct drm_i915_gem_object *obj)
+{
+ return kmem_cache_free(global.slab_objects, obj);
+}
+
+/**
+ * Mark up the object's coherency levels for a given cache_level
+ * @obj: #drm_i915_gem_object
+ * @cache_level: cache level
+ */
+void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
+ unsigned int cache_level)
+{
+ obj->cache_level = cache_level;
+
+ if (cache_level != I915_CACHE_NONE)
+ obj->cache_coherent = (I915_BO_CACHE_COHERENT_FOR_READ |
+ I915_BO_CACHE_COHERENT_FOR_WRITE);
+ else if (HAS_LLC(to_i915(obj->base.dev)))
+ obj->cache_coherent = I915_BO_CACHE_COHERENT_FOR_READ;
+ else
+ obj->cache_coherent = 0;
+
+ obj->cache_dirty =
+ !(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE);
+}
+
+static void i915_global_objects_shrink(void)
+{
+ kmem_cache_shrink(global.slab_objects);
+}
+
+static void i915_global_objects_exit(void)
+{
+ kmem_cache_destroy(global.slab_objects);
+}
+
+static struct i915_global_object global = { {
+ .shrink = i915_global_objects_shrink,
+ .exit = i915_global_objects_exit,
+} };
+
+int __init i915_global_objects_init(void)
+{
+ global.slab_objects =
+ KMEM_CACHE(drm_i915_gem_object, SLAB_HWCACHE_ALIGN);
+ if (!global.slab_objects)
+ return -ENOMEM;
+
+ i915_global_register(&global.base);
+ return 0;
+}
--- /dev/null
+/*
+ * 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 <drm/i915_drm.h>
+
+#include "i915_gem_object_types.h"
+
+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);
+
+struct scatterlist *
+i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
+ unsigned int n, unsigned int *offset);
+
+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);
+
+static inline int __must_check
+i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
+{
+ might_lock(&obj->mm.lock);
+
+ if (atomic_inc_not_zero(&obj->mm.pages_pin_count))
+ return 0;
+
+ return __i915_gem_object_get_pages(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);
+}
+
+enum i915_mm_subclass { /* lockdep subclass for obj->mm.lock/struct_mutex */
+ I915_MM_NORMAL = 0,
+ I915_MM_SHRINKER /* called "recursively" from direct-reclaim-esque */
+};
+
+int __i915_gem_object_put_pages(struct drm_i915_gem_object *obj,
+ enum i915_mm_subclass subclass);
+void __i915_gem_object_truncate(struct drm_i915_gem_object *obj);
+
+enum i915_map_type {
+ I915_MAP_WB = 0,
+ I915_MAP_WC,
+#define I915_MAP_OVERRIDE BIT(31)
+ I915_MAP_FORCE_WB = I915_MAP_WB | I915_MAP_OVERRIDE,
+ I915_MAP_FORCE_WC = I915_MAP_WC | I915_MAP_OVERRIDE,
+};
+
+/**
+ * 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 __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);
+}
+
+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
return sg->length >> PAGE_SHIFT;
}
-struct scatterlist *
-i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
- unsigned int n, unsigned int *offset);
-
-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);
-
-static inline int __must_check
-i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
-{
- might_lock(&obj->mm.lock);
-
- if (atomic_inc_not_zero(&obj->mm.pages_pin_count))
- return 0;
-
- return __i915_gem_object_get_pages(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);
-}
-
-enum i915_mm_subclass { /* lockdep subclass for obj->mm.lock/struct_mutex */
- I915_MM_NORMAL = 0,
- I915_MM_SHRINKER /* called "recursively" from direct-reclaim-esque */
-};
-
-int __i915_gem_object_put_pages(struct drm_i915_gem_object *obj,
- enum i915_mm_subclass subclass);
-void __i915_gem_object_truncate(struct drm_i915_gem_object *obj);
-
-enum i915_map_type {
- I915_MAP_WB = 0,
- I915_MAP_WC,
-#define I915_MAP_OVERRIDE BIT(31)
- I915_MAP_FORCE_WB = I915_MAP_WB | I915_MAP_OVERRIDE,
- I915_MAP_FORCE_WC = I915_MAP_WC | I915_MAP_OVERRIDE,
-};
-
-static inline enum i915_map_type
-i915_coherent_map_type(struct drm_i915_private *i915)
-{
- return HAS_LLC(i915) ? I915_MAP_WB : I915_MAP_WC;
-}
-
-/**
- * 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 __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);
-}
-
int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object *obj,
unsigned int *needs_clflush);
int i915_gem_obj_prepare_shmem_write(struct drm_i915_gem_object *obj,
return i915_ggtt_offset(i915->gt.scratch);
}
+static inline enum i915_map_type
+i915_coherent_map_type(struct drm_i915_private *i915)
+{
+ return HAS_LLC(i915) ? I915_MAP_WB : I915_MAP_WC;
+}
+
static inline void add_taint_for_CI(unsigned int taint)
{
/*
+++ /dev/null
-/*
- * Copyright © 2017 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.
- *
- */
-
-#include "i915_drv.h"
-#include "i915_gem_object.h"
-#include "i915_globals.h"
-
-static struct i915_global_object {
- struct i915_global base;
- struct kmem_cache *slab_objects;
-} global;
-
-struct drm_i915_gem_object *i915_gem_object_alloc(void)
-{
- return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
-}
-
-void i915_gem_object_free(struct drm_i915_gem_object *obj)
-{
- return kmem_cache_free(global.slab_objects, obj);
-}
-
-/**
- * Mark up the object's coherency levels for a given cache_level
- * @obj: #drm_i915_gem_object
- * @cache_level: cache level
- */
-void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
- unsigned int cache_level)
-{
- obj->cache_level = cache_level;
-
- if (cache_level != I915_CACHE_NONE)
- obj->cache_coherent = (I915_BO_CACHE_COHERENT_FOR_READ |
- I915_BO_CACHE_COHERENT_FOR_WRITE);
- else if (HAS_LLC(to_i915(obj->base.dev)))
- obj->cache_coherent = I915_BO_CACHE_COHERENT_FOR_READ;
- else
- obj->cache_coherent = 0;
-
- obj->cache_dirty =
- !(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE);
-}
-
-static void i915_global_objects_shrink(void)
-{
- kmem_cache_shrink(global.slab_objects);
-}
-
-static void i915_global_objects_exit(void)
-{
- kmem_cache_destroy(global.slab_objects);
-}
-
-static struct i915_global_object global = { {
- .shrink = i915_global_objects_shrink,
- .exit = i915_global_objects_exit,
-} };
-
-int __init i915_global_objects_init(void)
-{
- global.slab_objects =
- KMEM_CACHE(drm_i915_gem_object, SLAB_HWCACHE_ALIGN);
- if (!global.slab_objects)
- return -ENOMEM;
-
- i915_global_register(&global.base);
- return 0;
-}
+++ /dev/null
-/*
- * 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 <drm/i915_drm.h>
-
-#include "gem/i915_gem_object_types.h"
-
-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
#include "i915_active.h"
#include "i915_gem_context.h"
-#include "i915_gem_object.h"
+#include "gem/i915_gem_object.h"
#include "i915_globals.h"
#include "i915_request.h"
#include "i915_scheduler.h"
#include "i915_gem_gtt.h"
#include "i915_gem_fence_reg.h"
-#include "i915_gem_object.h"
+#include "gem/i915_gem_object.h"
#include "i915_active.h"
#include "i915_request.h"
#ifndef __INTEL_FRONTBUFFER_H__
#define __INTEL_FRONTBUFFER_H__
-#include "i915_gem_object.h"
+#include "gem/i915_gem_object.h"
struct drm_i915_private;
struct drm_i915_gem_object;
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