[PATCH 7/8] drm: Extract <drm/drm_gem.h>
Daniel Vetter
daniel.vetter at ffwll.ch
Tue Sep 23 06:46:53 PDT 2014
v2: Don't forget git add, noticed by David.
Cc: David Herrmann <dh.herrmann at gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
drivers/gpu/drm/armada/armada_gem.h | 2 +
drivers/gpu/drm/ast/ast_drv.h | 2 +
drivers/gpu/drm/bochs/bochs.h | 2 +
drivers/gpu/drm/cirrus/cirrus_drv.h | 2 +
drivers/gpu/drm/drm_gem.c | 1 +
drivers/gpu/drm/drm_info.c | 2 +
drivers/gpu/drm/drm_prime.c | 2 +
drivers/gpu/drm/exynos/exynos_drm_gem.h | 2 +
drivers/gpu/drm/gma500/gtt.h | 1 +
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/mgag200/mgag200_drv.h | 2 +
drivers/gpu/drm/msm/msm_drv.h | 1 +
drivers/gpu/drm/nouveau/nouveau_bo.h | 2 +
drivers/gpu/drm/omapdrm/omap_drv.h | 1 +
drivers/gpu/drm/qxl/qxl_drv.h | 2 +
drivers/gpu/drm/radeon/radeon.h | 2 +
drivers/gpu/drm/radeon/radeon_drv.c | 2 +
drivers/gpu/drm/tegra/gem.h | 1 +
drivers/gpu/drm/udl/udl_drv.h | 1 +
include/drm/drmP.h | 148 +-------------------------
include/drm/drm_gem.h | 183 ++++++++++++++++++++++++++++++++
include/drm/drm_gem_cma_helper.h | 1 +
22 files changed, 216 insertions(+), 147 deletions(-)
create mode 100644 include/drm/drm_gem.h
diff --git a/drivers/gpu/drm/armada/armada_gem.h b/drivers/gpu/drm/armada/armada_gem.h
index 00b6cd461a03..b000ea3a829a 100644
--- a/drivers/gpu/drm/armada/armada_gem.h
+++ b/drivers/gpu/drm/armada/armada_gem.h
@@ -8,6 +8,8 @@
#ifndef ARMADA_GEM_H
#define ARMADA_GEM_H
+#include <drm/drm_gem.h>
+
/* GEM */
struct armada_gem_object {
struct drm_gem_object obj;
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 7485ff945ca9..86205a28e56b 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -36,6 +36,8 @@
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
+#include <drm/drm_gem.h>
+
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index 4f6e7b3a3635..71f2687fc3cc 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -7,6 +7,8 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_gem.h>
+
#include <ttm/ttm_bo_driver.h>
#include <ttm/ttm_page_alloc.h>
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h
index dd2cfc9024aa..d44e69daa239 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.h
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.h
@@ -21,6 +21,8 @@
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
+#include <drm/drm_gem.h>
+
#define DRIVER_AUTHOR "Matthew Garrett"
#define DRIVER_NAME "cirrus"
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index f9af78541505..cd45e45e2cce 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -38,6 +38,7 @@
#include <linux/dma-buf.h>
#include <drm/drmP.h>
#include <drm/drm_vma_manager.h>
+#include <drm/drm_gem.h>
#include "drm_internal.h"
/** @file drm_gem.c
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index 0780541f7935..51efebd434f3 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -35,6 +35,8 @@
#include <linux/seq_file.h>
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
+
#include "drm_legacy.h"
/**
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 2807a771f505..7826de9da276 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -29,6 +29,8 @@
#include <linux/export.h>
#include <linux/dma-buf.h>
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
+
#include "drm_internal.h"
/*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 1592c0ba7de8..74818b15e853 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -12,6 +12,8 @@
#ifndef _EXYNOS_DRM_GEM_H_
#define _EXYNOS_DRM_GEM_H_
+#include <drm/drm_gem.h>
+
#define to_exynos_gem_obj(x) container_of(x,\
struct exynos_drm_gem_obj, base)
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h
index f5860a739bd8..cdbb350c9d5d 100644
--- a/drivers/gpu/drm/gma500/gtt.h
+++ b/drivers/gpu/drm/gma500/gtt.h
@@ -21,6 +21,7 @@
#define _PSB_GTT_H_
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
struct psb_gtt {
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 07dafa2c2d8c..e9f5765699b4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -43,6 +43,7 @@
#include <linux/i2c-algo-bit.h>
#include <drm/intel-gtt.h>
#include <drm/drm_legacy.h> /* for struct drm_dma_handle */
+#include <drm/drm_gem.h>
#include <linux/backlight.h>
#include <linux/hashtable.h>
#include <linux/intel-iommu.h>
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index c03e347f3ffd..e9eea1d4e7c3 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -22,6 +22,8 @@
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
+#include <drm/drm_gem.h>
+
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 8a2c5fd0893e..afaafd42dee7 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -51,6 +51,7 @@ static inline struct device *msm_iommu_get_ctx(const char *ctx_name)
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/msm_drm.h>
+#include <drm/drm_gem.h>
struct msm_kms;
struct msm_gpu;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h
index ae95b2d43b36..f238def41a92 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.h
@@ -1,6 +1,8 @@
#ifndef __NOUVEAU_BO_H__
#define __NOUVEAU_BO_H__
+#include <drm/drm_gem.h>
+
struct nouveau_channel;
struct nouveau_fence;
struct nouveau_vma;
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h
index 84d73a61b34b..60e47b33c801 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.h
+++ b/drivers/gpu/drm/omapdrm/omap_drv.h
@@ -26,6 +26,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/omap_drm.h>
+#include <drm/drm_gem.h>
#include <linux/platform_data/omap_drm.h>
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index d75c0a9f674f..ff0772728eb0 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -43,6 +43,8 @@
#include <ttm/ttm_placement.h>
#include <ttm/ttm_module.h>
+#include <drm/drm_gem.h>
+
/* just for ttm_validate_buffer */
#include <ttm/ttm_execbuf_util.h>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 82b0e11ade89..ef91ebb7c671 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -74,6 +74,8 @@
#include <ttm/ttm_module.h>
#include <ttm/ttm_execbuf_util.h>
+#include <drm/drm_gem.h>
+
#include "radeon_family.h"
#include "radeon_mode.h"
#include "radeon_reg.h"
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dd082049fd5b..de108427a197 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -38,6 +38,8 @@
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
+#include <drm/drm_gem.h>
+
#include "drm_crtc_helper.h"
/*
* KMS wrapper.
diff --git a/drivers/gpu/drm/tegra/gem.h b/drivers/gpu/drm/tegra/gem.h
index 43a25c853357..6538b56780c2 100644
--- a/drivers/gpu/drm/tegra/gem.h
+++ b/drivers/gpu/drm/tegra/gem.h
@@ -15,6 +15,7 @@
#include <drm/drm.h>
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
#define TEGRA_BO_BOTTOM_UP (1 << 0)
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index 51e10ee77f39..c7490a2489a7 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -15,6 +15,7 @@
#define UDL_DRV_H
#include <linux/usb.h>
+#include <drm/drm_gem.h>
#define DRIVER_NAME "udl"
#define DRIVER_DESC "DisplayLink"
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 9130c8bd9e09..d46efbc255ed 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -82,6 +82,7 @@ struct drm_agp_head;
struct drm_local_map;
struct drm_device_dma;
struct drm_dma_handle;
+struct drm_gem_object;
struct device_node;
struct videomode;
@@ -331,93 +332,6 @@ struct drm_lock_data {
};
/**
- * This structure defines the drm_mm memory object, which will be used by the
- * DRM for its buffer objects.
- */
-struct drm_gem_object {
- /** Reference count of this object */
- struct kref refcount;
-
- /**
- * handle_count - gem file_priv handle count of this object
- *
- * Each handle also holds a reference. Note that when the handle_count
- * drops to 0 any global names (e.g. the id in the flink namespace) will
- * be cleared.
- *
- * Protected by dev->object_name_lock.
- * */
- unsigned handle_count;
-
- /** Related drm device */
- struct drm_device *dev;
-
- /** File representing the shmem storage */
- struct file *filp;
-
- /* Mapping info for this object */
- struct drm_vma_offset_node vma_node;
-
- /**
- * Size of the object, in bytes. Immutable over the object's
- * lifetime.
- */
- size_t size;
-
- /**
- * Global name for this object, starts at 1. 0 means unnamed.
- * Access is covered by the object_name_lock in the related drm_device
- */
- int name;
-
- /**
- * 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
- */
- uint32_t read_domains;
- uint32_t write_domain;
-
- /**
- * While validating an exec operation, the
- * new read/write domain values are computed here.
- * They will be transferred to the above values
- * at the point that any cache flushing occurs
- */
- uint32_t pending_read_domains;
- uint32_t pending_write_domain;
-
- /**
- * dma_buf - dma buf associated with this GEM object
- *
- * Pointer to the dma-buf associated with this gem object (either
- * through importing or exporting). We break the resulting reference
- * loop when the last gem handle for this object is released.
- *
- * Protected by obj->object_name_lock
- */
- struct dma_buf *dma_buf;
-
- /**
- * import_attach - dma buf attachment backing this object
- *
- * Any foreign dma_buf imported as a gem object has this set to the
- * attachment point for the device. This is invariant over the lifetime
- * of a gem object.
- *
- * The driver's ->gem_free_object callback is responsible for cleaning
- * up the dma_buf attachment and references acquired at import time.
- *
- * Note that the drm gem/prime core does not depend upon drivers setting
- * this field any more. So for drivers where this doesn't make sense
- * (e.g. virtual devices or a displaylink behind an usb bus) they can
- * simply leave it as NULL.
- */
- struct dma_buf_attachment *import_attach;
-};
-
-/**
* struct drm_master - drm master structure
*
* @refcount: Refcount for this master object.
@@ -1073,10 +987,6 @@ extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **
extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages);
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
-int drm_gem_dumb_destroy(struct drm_file *file,
- struct drm_device *dev,
- uint32_t handle);
-
extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align);
@@ -1085,62 +995,6 @@ extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
/* sysfs support (drm_sysfs.c) */
extern void drm_sysfs_hotplug_event(struct drm_device *dev);
-/* Graphics Execution Manager library functions (drm_gem.c) */
-void drm_gem_object_release(struct drm_gem_object *obj);
-void drm_gem_object_free(struct kref *kref);
-int drm_gem_object_init(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size);
-void drm_gem_private_object_init(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size);
-void drm_gem_vm_open(struct vm_area_struct *vma);
-void drm_gem_vm_close(struct vm_area_struct *vma);
-int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
- struct vm_area_struct *vma);
-int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
-
-static inline void
-drm_gem_object_reference(struct drm_gem_object *obj)
-{
- kref_get(&obj->refcount);
-}
-
-static inline void
-drm_gem_object_unreference(struct drm_gem_object *obj)
-{
- if (obj != NULL)
- kref_put(&obj->refcount, drm_gem_object_free);
-}
-
-static inline void
-drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
-{
- if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) {
- struct drm_device *dev = obj->dev;
-
- mutex_lock(&dev->struct_mutex);
- if (likely(atomic_dec_and_test(&obj->refcount.refcount)))
- drm_gem_object_free(&obj->refcount);
- mutex_unlock(&dev->struct_mutex);
- }
-}
-
-int drm_gem_handle_create(struct drm_file *file_priv,
- struct drm_gem_object *obj,
- u32 *handlep);
-int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
-
-
-void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
-int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
-int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size);
-
-struct page **drm_gem_get_pages(struct drm_gem_object *obj);
-void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
- bool dirty, bool accessed);
-
-struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
- struct drm_file *filp,
- u32 handle);
struct drm_device *drm_dev_alloc(struct drm_driver *driver,
struct device *parent);
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
new file mode 100644
index 000000000000..1e6ae1458f7a
--- /dev/null
+++ b/include/drm/drm_gem.h
@@ -0,0 +1,183 @@
+#ifndef __DRM_GEM_H__
+#define __DRM_GEM_H__
+
+/*
+ * GEM Graphics Execution Manager Driver Interfaces
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
+ * All rights reserved.
+ * Copyright © 2014 Intel Corporation
+ * Daniel Vetter <daniel.vetter at ffwll.ch>
+ *
+ * Author: Rickard E. (Rik) Faith <faith at valinux.com>
+ * Author: Gareth Hughes <gareth at valinux.com>
+ *
+ * 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
+ */
+
+/**
+ * This structure defines the drm_mm memory object, which will be used by the
+ * DRM for its buffer objects.
+ */
+struct drm_gem_object {
+ /** Reference count of this object */
+ struct kref refcount;
+
+ /**
+ * handle_count - gem file_priv handle count of this object
+ *
+ * Each handle also holds a reference. Note that when the handle_count
+ * drops to 0 any global names (e.g. the id in the flink namespace) will
+ * be cleared.
+ *
+ * Protected by dev->object_name_lock.
+ * */
+ unsigned handle_count;
+
+ /** Related drm device */
+ struct drm_device *dev;
+
+ /** File representing the shmem storage */
+ struct file *filp;
+
+ /* Mapping info for this object */
+ struct drm_vma_offset_node vma_node;
+
+ /**
+ * Size of the object, in bytes. Immutable over the object's
+ * lifetime.
+ */
+ size_t size;
+
+ /**
+ * Global name for this object, starts at 1. 0 means unnamed.
+ * Access is covered by the object_name_lock in the related drm_device
+ */
+ int name;
+
+ /**
+ * 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
+ */
+ uint32_t read_domains;
+ uint32_t write_domain;
+
+ /**
+ * While validating an exec operation, the
+ * new read/write domain values are computed here.
+ * They will be transferred to the above values
+ * at the point that any cache flushing occurs
+ */
+ uint32_t pending_read_domains;
+ uint32_t pending_write_domain;
+
+ /**
+ * dma_buf - dma buf associated with this GEM object
+ *
+ * Pointer to the dma-buf associated with this gem object (either
+ * through importing or exporting). We break the resulting reference
+ * loop when the last gem handle for this object is released.
+ *
+ * Protected by obj->object_name_lock
+ */
+ struct dma_buf *dma_buf;
+
+ /**
+ * import_attach - dma buf attachment backing this object
+ *
+ * Any foreign dma_buf imported as a gem object has this set to the
+ * attachment point for the device. This is invariant over the lifetime
+ * of a gem object.
+ *
+ * The driver's ->gem_free_object callback is responsible for cleaning
+ * up the dma_buf attachment and references acquired at import time.
+ *
+ * Note that the drm gem/prime core does not depend upon drivers setting
+ * this field any more. So for drivers where this doesn't make sense
+ * (e.g. virtual devices or a displaylink behind an usb bus) they can
+ * simply leave it as NULL.
+ */
+ struct dma_buf_attachment *import_attach;
+};
+
+void drm_gem_object_release(struct drm_gem_object *obj);
+void drm_gem_object_free(struct kref *kref);
+int drm_gem_object_init(struct drm_device *dev,
+ struct drm_gem_object *obj, size_t size);
+void drm_gem_private_object_init(struct drm_device *dev,
+ struct drm_gem_object *obj, size_t size);
+void drm_gem_vm_open(struct vm_area_struct *vma);
+void drm_gem_vm_close(struct vm_area_struct *vma);
+int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
+ struct vm_area_struct *vma);
+int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
+
+static inline void
+drm_gem_object_reference(struct drm_gem_object *obj)
+{
+ kref_get(&obj->refcount);
+}
+
+static inline void
+drm_gem_object_unreference(struct drm_gem_object *obj)
+{
+ if (obj != NULL)
+ kref_put(&obj->refcount, drm_gem_object_free);
+}
+
+static inline void
+drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
+{
+ if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) {
+ struct drm_device *dev = obj->dev;
+
+ mutex_lock(&dev->struct_mutex);
+ if (likely(atomic_dec_and_test(&obj->refcount.refcount)))
+ drm_gem_object_free(&obj->refcount);
+ mutex_unlock(&dev->struct_mutex);
+ }
+}
+
+int drm_gem_handle_create(struct drm_file *file_priv,
+ struct drm_gem_object *obj,
+ u32 *handlep);
+int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
+
+
+void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
+int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
+int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size);
+
+struct page **drm_gem_get_pages(struct drm_gem_object *obj);
+void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
+ bool dirty, bool accessed);
+
+struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
+ struct drm_file *filp,
+ u32 handle);
+int drm_gem_dumb_destroy(struct drm_file *file,
+ struct drm_device *dev,
+ uint32_t handle);
+
+#endif /* __DRM_GEM_H__ */
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index 2a3cea91606d..42f11f3a8d39 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -2,6 +2,7 @@
#define __DRM_GEM_CMA_HELPER_H__
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
struct drm_gem_cma_object {
struct drm_gem_object base;
--
2.1.0
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