1 files changed, 83 insertions, 697 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index e41f17ea1f13..53ed87698a74 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1,17 +1,14 @@
-/**
- * \file drmP.h
- * Private header for Direct Rendering Manager
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
 /*
+ * Internal Header for the Direct Rendering Manager
+ *
  * 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.
  *
+ * Author: Rickard E. (Rik) Faith <faith@valinux.com>
+ * Author: Gareth Hughes <gareth@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
@@ -35,59 +32,62 @@
 #ifndef _DRM_P_H_
 #define _DRM_P_H_
 
-#ifdef __KERNEL__
-#ifdef __alpha__
-/* add include of current.h so that "current" is defined
- * before static inline funcs in wait.h. Doing this so we
- * can build the DRM (part of PI DRI). 4/21/2000 S + B */
-#include <asm/current.h>
-#endif                          /* __alpha__ */
-#include <linux/kernel.h>
-#include <linux/kref.h>
-#include <linux/miscdevice.h>
+#include <linux/agp_backend.h>
+#include <linux/cdev.h>
+#include <linux/dma-mapping.h>
+#include <linux/file.h>
 #include <linux/fs.h>
+#include <linux/highmem.h>
+#include <linux/idr.h>
 #include <linux/init.h>
-#include <linux/file.h>
-#include <linux/platform_device.h>
-#include <linux/pci.h>
+#include <linux/io.h>
 #include <linux/jiffies.h>
-#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/kref.h>
+#include <linux/miscdevice.h>
 #include <linux/mm.h>
-#include <linux/cdev.h>
 #include <linux/mutex.h>
-#include <linux/io.h>
-#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/poll.h>
 #include <linux/ratelimit.h>
-#if defined(__alpha__) || defined(__powerpc__)
-#include <asm/pgtable.h>        /* For pte_wrprotect */
-#endif
-#include <asm/mman.h>
-#include <asm/uaccess.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/types.h>
-#include <linux/agp_backend.h>
+#include <linux/vmalloc.h>
 #include <linux/workqueue.h>
-#include <linux/poll.h>
+
+#include <asm/mman.h>
 #include <asm/pgalloc.h>
-#include <drm/drm.h>
-#include <drm/drm_sarea.h>
-#include <drm/drm_vma_manager.h>
+#include <asm/uaccess.h>
 
-#include <linux/idr.h>
+#include <uapi/drm/drm.h>
+#include <uapi/drm/drm_mode.h>
 
-#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
+#include <drm/drm_agpsupport.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_global.h>
+#include <drm/drm_hashtab.h>
+#include <drm/drm_mem_util.h>
+#include <drm/drm_mm.h>
+#include <drm/drm_os_linux.h>
+#include <drm/drm_sarea.h>
+#include <drm/drm_vma_manager.h>
 
 struct module;
 
 struct drm_file;
 struct drm_device;
+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;
 struct reservation_object;
-
-#include <drm/drm_os_linux.h>
-#include <drm/drm_hashtab.h>
-#include <drm/drm_mm.h>
+struct dma_buf_attachment;
 
 /*
  * 4 debug categories are defined:
@@ -126,7 +126,7 @@ extern __printf(2, 3)
 void drm_ut_debug_printk(const char *function_name,
                          const char *format, ...);
 extern __printf(2, 3)
-int drm_err(const char *func, const char *format, ...);
+void drm_err(const char *func, const char *format, ...);
 
 /***********************************************************************/
 /** \name DRM template customization defaults */
@@ -145,21 +145,6 @@ int drm_err(const char *func, const char *format, ...);
 #define DRIVER_RENDER      0x8000
 
 /***********************************************************************/
-/** \name Begin the DRM... */
-/*@{*/
-
-#define DRM_DEBUG_CODE 2          /**< Include debugging code if > 1, then
-                                     also include looping detection. */
-
-#define DRM_MAGIC_HASH_ORDER  4  /**< Size of key hash table. Must be power of 2. */
-#define DRM_KERNEL_CONTEXT    0  /**< Change drm_resctx if changed */
-#define DRM_RESERVED_CONTEXTS 1  /**< Change drm_resctx if changed */
-
-#define DRM_MAP_HASH_OFFSET 0x10000000
-
-/*@}*/
-
-/***********************************************************************/
 /** \name Macros to make printk easier */
 /*@{*/
 
@@ -200,7 +185,6 @@ int drm_err(const char *func, const char *format, ...);
  * \param fmt printf() like format string.
  * \param arg arguments
  */
-#if DRM_DEBUG_CODE
 #define DRM_DEBUG(fmt, args...)                                         \
         do {                                                            \
                 if (unlikely(drm_debug & DRM_UT_CORE))                  \
@@ -222,12 +206,6 @@ int drm_err(const char *func, const char *format, ...);
                 if (unlikely(drm_debug & DRM_UT_PRIME))                 \
                         drm_ut_debug_printk(__func__, fmt, ##args);     \
         } while (0)
-#else
-#define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0)
-#define DRM_DEBUG_KMS(fmt, args...)     do { } while (0)
-#define DRM_DEBUG_PRIME(fmt, args...)   do { } while (0)
-#define DRM_DEBUG(fmt, arg...)           do { } while (0)
-#endif
 
 /*@}*/
 
@@ -238,23 +216,6 @@ int drm_err(const char *func, const char *format, ...);
 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
 
 /**
- * Test that the hardware lock is held by the caller, returning otherwise.
- *
- * \param dev DRM device.
- * \param filp file pointer of the caller.
- */
-#define LOCK_TEST_WITH_RETURN( dev, _file_priv )                                \
-do {                                                                            \
-        if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) ||       \
-            _file_priv->master->lock.file_priv != _file_priv)   {               \
-                DRM_ERROR( "%s called without lock held, held  %d owner %p %p\n",\
-                           __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\
-                           _file_priv->master->lock.file_priv, _file_priv);     \
-                return -EINVAL;                                                 \
-        }                                                                       \
-} while (0)
-
-/**
  * Ioctl function type.
  *
  * \param inode device inode.
@@ -294,91 +255,6 @@ struct drm_ioctl_desc {
 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)                 \
         [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl}
 
-struct drm_magic_entry {
-        struct list_head head;
-        struct drm_hash_item hash_item;
-        struct drm_file *priv;
-};
-
-struct drm_vma_entry {
-        struct list_head head;
-        struct vm_area_struct *vma;
-        pid_t pid;
-};
-
-/**
- * DMA buffer.
- */
-struct drm_buf {
-        int idx;                       /**< Index into master buflist */
-        int total;                     /**< Buffer size */
-        int order;                     /**< log-base-2(total) */
-        int used;                      /**< Amount of buffer in use (for DMA) */
-        unsigned long offset;          /**< Byte offset (used internally) */
-        void *address;                 /**< Address of buffer */
-        unsigned long bus_address;     /**< Bus address of buffer */
-        struct drm_buf *next;          /**< Kernel-only: used for free list */
-        __volatile__ int waiting;      /**< On kernel DMA queue */
-        __volatile__ int pending;      /**< On hardware DMA queue */
-        struct drm_file *file_priv;    /**< Private of holding file descr */
-        int context;                   /**< Kernel queue for this buffer */
-        int while_locked;              /**< Dispatch this buffer while locked */
-        enum {
-                DRM_LIST_NONE = 0,
-                DRM_LIST_FREE = 1,
-                DRM_LIST_WAIT = 2,
-                DRM_LIST_PEND = 3,
-                DRM_LIST_PRIO = 4,
-                DRM_LIST_RECLAIM = 5
-        } list;                        /**< Which list we're on */
-
-        int dev_priv_size;               /**< Size of buffer private storage */
-        void *dev_private;               /**< Per-buffer private storage */
-};
-
-/** bufs is one longer than it has to be */
-struct drm_waitlist {
-        int count;                      /**< Number of possible buffers */
-        struct drm_buf **bufs;          /**< List of pointers to buffers */
-        struct drm_buf **rp;                    /**< Read pointer */
-        struct drm_buf **wp;                    /**< Write pointer */
-        struct drm_buf **end;           /**< End pointer */
-        spinlock_t read_lock;
-        spinlock_t write_lock;
-};
-
-struct drm_freelist {
-        int initialized;               /**< Freelist in use */
-        atomic_t count;                /**< Number of free buffers */
-        struct drm_buf *next;          /**< End pointer */
-
-        wait_queue_head_t waiting;     /**< Processes waiting on free bufs */
-        int low_mark;                  /**< Low water mark */
-        int high_mark;                 /**< High water mark */
-        atomic_t wfh;                  /**< If waiting for high mark */
-        spinlock_t lock;
-};
-
-typedef struct drm_dma_handle {
-        dma_addr_t busaddr;
-        void *vaddr;
-        size_t size;
-} drm_dma_handle_t;
-
-/**
- * Buffer entry.  There is one of this for each buffer size order.
- */
-struct drm_buf_entry {
-        int buf_size;                   /**< size */
-        int buf_count;                  /**< number of buffers */
-        struct drm_buf *buflist;                /**< buffer list */
-        int seg_count;
-        int page_order;
-        struct drm_dma_handle **seglist;
-
-        struct drm_freelist freelist;
-};
-
 /* Event queued up for userspace to read */
 struct drm_pending_event {
         struct drm_event *event;
@@ -397,7 +273,6 @@ struct drm_prime_file_private {
 
 /** File private data */
 struct drm_file {
-        unsigned always_authenticated :1;
         unsigned authenticated :1;
         /* Whether we're master for a minor. Protected by master_mutex */
         unsigned is_master :1;
@@ -442,23 +317,6 @@ struct drm_file {
         struct drm_prime_file_private prime;
 };
 
-/** Wait queue */
-struct drm_queue {
-        atomic_t use_count;             /**< Outstanding uses (+1) */
-        atomic_t finalization;          /**< Finalization in progress */
-        atomic_t block_count;           /**< Count of processes waiting */
-        atomic_t block_read;            /**< Queue blocked for reads */
-        wait_queue_head_t read_queue;   /**< Processes waiting on block_read */
-        atomic_t block_write;           /**< Queue blocked for writes */
-        wait_queue_head_t write_queue;  /**< Processes waiting on block_write */
-        atomic_t total_queued;          /**< Total queued statistic */
-        atomic_t total_flushed;         /**< Total flushes statistic */
-        atomic_t total_locks;           /**< Total locks statistics */
-        enum drm_ctx_flags flags;       /**< Context preserving and 2D-only */
-        struct drm_waitlist waitlist;   /**< Pending buffers */
-        wait_queue_head_t flush_queue;  /**< Processes waiting until flush */
-};
-
 /**
  * Lock data.
  */
@@ -475,223 +333,12 @@ struct drm_lock_data {
 };
 
 /**
- * DMA data.
- */
-struct drm_device_dma {
-
-        struct drm_buf_entry bufs[DRM_MAX_ORDER + 1];   /**< buffers, grouped by their size order */
-        int buf_count;                  /**< total number of buffers */
-        struct drm_buf **buflist;               /**< Vector of pointers into drm_device_dma::bufs */
-        int seg_count;
-        int page_count;                 /**< number of pages */
-        unsigned long *pagelist;        /**< page list */
-        unsigned long byte_count;
-        enum {
-                _DRM_DMA_USE_AGP = 0x01,
-                _DRM_DMA_USE_SG = 0x02,
-                _DRM_DMA_USE_FB = 0x04,
-                _DRM_DMA_USE_PCI_RO = 0x08
-        } flags;
-
-};
-
-/**
- * AGP memory entry.  Stored as a doubly linked list.
- */
-struct drm_agp_mem {
-        unsigned long handle;           /**< handle */
-        struct agp_memory *memory;
-        unsigned long bound;            /**< address */
-        int pages;
-        struct list_head head;
-};
-
-/**
- * AGP data.
- *
- * \sa drm_agp_init() and drm_device::agp.
- */
-struct drm_agp_head {
-        struct agp_kern_info agp_info;          /**< AGP device information */
-        struct list_head memory;
-        unsigned long mode;             /**< AGP mode */
-        struct agp_bridge_data *bridge;
-        int enabled;                    /**< whether the AGP bus as been enabled */
-        int acquired;                   /**< whether the AGP device has been acquired */
-        unsigned long base;
-        int agp_mtrr;
-        int cant_use_aperture;
-        unsigned long page_mask;
-};
-
-/**
- * Scatter-gather memory.
- */
-struct drm_sg_mem {
-        unsigned long handle;
-        void *virtual;
-        int pages;
-        struct page **pagelist;
-        dma_addr_t *busaddr;
-};
-
-struct drm_sigdata {
-        int context;
-        struct drm_hw_lock *lock;
-};
-
-
-/**
- * Kernel side of a mapping
- */
-struct drm_local_map {
-        resource_size_t offset;  /**< Requested physical address (0 for SAREA)*/
-        unsigned long size;      /**< Requested physical size (bytes) */
-        enum drm_map_type type;  /**< Type of memory to map */
-        enum drm_map_flags flags;        /**< Flags */
-        void *handle;            /**< User-space: "Handle" to pass to mmap() */
-                                 /**< Kernel-space: kernel-virtual address */
-        int mtrr;                /**< MTRR slot used */
-};
-
-typedef struct drm_local_map drm_local_map_t;
-
-/**
- * Mappings list
- */
-struct drm_map_list {
-        struct list_head head;          /**< list head */
-        struct drm_hash_item hash;
-        struct drm_local_map *map;      /**< mapping */
-        uint64_t user_token;
-        struct drm_master *master;
-};
-
-/**
- * Context handle list
- */
-struct drm_ctx_list {
-        struct list_head head;          /**< list head */
-        drm_context_t handle;           /**< context handle */
-        struct drm_file *tag;           /**< associated fd private data */
-};
-
-/* location of GART table */
-#define DRM_ATI_GART_MAIN 1
-#define DRM_ATI_GART_FB   2
-
-#define DRM_ATI_GART_PCI 1
-#define DRM_ATI_GART_PCIE 2
-#define DRM_ATI_GART_IGP 3
-
-struct drm_ati_pcigart_info {
-        int gart_table_location;
-        int gart_reg_if;
-        void *addr;
-        dma_addr_t bus_addr;
-        dma_addr_t table_mask;
-        struct drm_dma_handle *table_handle;
-        struct drm_local_map mapping;
-        int table_size;
-};
-
-/**
- * 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;
-};
-
-#include <drm/drm_crtc.h>
-
-/**
  * struct drm_master - drm master structure
  *
  * @refcount: Refcount for this master object.
  * @minor: Link back to minor char device we are master for. Immutable.
  * @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex.
  * @unique_len: Length of unique field. Protected by drm_global_mutex.
- * @unique_size: Amount allocated. Protected by drm_global_mutex.
  * @magiclist: Hash of used authentication tokens. Protected by struct_mutex.
  * @magicfree: List of used authentication tokens. Protected by struct_mutex.
  * @lock: DRI lock information.
@@ -702,7 +349,6 @@ struct drm_master {
         struct drm_minor *minor;
         char *unique;
         int unique_len;
-        int unique_size;
         struct drm_open_hash magiclist;
         struct list_head magicfree;
         struct drm_lock_data lock;
@@ -717,17 +363,13 @@ struct drm_master {
 /* Flags and return codes for get_vblank_timestamp() driver function. */
 #define DRM_CALLED_FROM_VBLIRQ 1
 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
-#define DRM_VBLANKTIME_INVBL             (1 << 1)
+#define DRM_VBLANKTIME_IN_VBLANK         (1 << 1)
 
 /* get_scanout_position() return flags */
 #define DRM_SCANOUTPOS_VALID        (1 << 0)
-#define DRM_SCANOUTPOS_INVBL        (1 << 1)
+#define DRM_SCANOUTPOS_IN_VBLANK    (1 << 1)
 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
 
-struct drm_bus {
-        int (*set_busid)(struct drm_device *dev, struct drm_master *master);
-};
-
 /**
  * DRM driver structure. This structure represent the common code for
  * a family of cards. There will one drm_device for each card present
@@ -746,6 +388,7 @@ struct drm_driver {
         int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
         int (*dma_quiescent) (struct drm_device *);
         int (*context_dtor) (struct drm_device *dev, int context);
+        int (*set_busid)(struct drm_device *dev, struct drm_master *master);
 
         /**
          * get_vblank_counter - get raw hardware vblank counter
@@ -928,7 +571,8 @@ struct drm_driver {
                                 struct drm_gem_object *obj);
         struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
         struct drm_gem_object *(*gem_prime_import_sg_table)(
-                                struct drm_device *dev, size_t size,
+                                struct drm_device *dev,
+                                struct dma_buf_attachment *attach,
                                 struct sg_table *sgt);
         void *(*gem_prime_vmap)(struct drm_gem_object *obj);
         void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);
@@ -964,7 +608,6 @@ struct drm_driver {
         const struct drm_ioctl_desc *ioctls;
         int num_ioctls;
         const struct file_operations *fops;
-        struct drm_bus *bus;
 
         /* List of devices hanging off this driver with stealth attach. */
         struct list_head legacy_dev_list;
@@ -1119,6 +762,16 @@ struct drm_device {
          */
         bool vblank_disable_allowed;
 
+        /*
+         * If true, vblank interrupt will be disabled immediately when the
+         * refcount drops to zero, as opposed to via the vblank disable
+         * timer.
+         * This can be set to true it the hardware has a working vblank
+         * counter and the driver uses drm_vblank_on() and drm_vblank_off()
+         * appropriately.
+         */
+        bool vblank_disable_immediate;
+
         /* array of size num_crtcs */
         struct drm_vblank_crtc *vblank;
 
@@ -1143,13 +796,16 @@ struct drm_device {
 #endif
 
         struct platform_device *platformdev; /**< Platform device struture */
-        struct usb_device *usbdev;
 
         struct drm_sg_mem *sg;  /**< Scatter gather memory */
         unsigned int num_crtcs;                  /**< Number of CRTCs on this device */
-        struct drm_sigdata sigdata;        /**< For block_all_signals */
         sigset_t sigmask;
 
+        struct {
+                int context;
+                struct drm_hw_lock *lock;
+        } sigdata;
+
         struct drm_local_map *agp_buffer_map;
         unsigned int agp_buffer_token;
 
@@ -1212,136 +868,32 @@ extern long drm_ioctl(struct file *filp,
                       unsigned int cmd, unsigned long arg);
 extern long drm_compat_ioctl(struct file *filp,
                              unsigned int cmd, unsigned long arg);
-extern int drm_lastclose(struct drm_device *dev);
 extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);
 
                                 /* Device support (drm_fops.h) */
-extern struct mutex drm_global_mutex;
 extern int drm_open(struct inode *inode, struct file *filp);
-extern int drm_stub_open(struct inode *inode, struct file *filp);
 extern ssize_t drm_read(struct file *filp, char __user *buffer,
                         size_t count, loff_t *offset);
 extern int drm_release(struct inode *inode, struct file *filp);
 
                                 /* Mapping support (drm_vm.h) */
-extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
-extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma);
-extern void drm_vm_open_locked(struct drm_device *dev, struct vm_area_struct *vma);
-extern void drm_vm_close_locked(struct drm_device *dev, struct vm_area_struct *vma);
 extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
 
-                                /* Memory management support (drm_memory.h) */
-#include <drm/drm_memory.h>
-
-
-                                /* Misc. IOCTL support (drm_ioctl.h) */
-extern int drm_irq_by_busid(struct drm_device *dev, void *data,
-                            struct drm_file *file_priv);
-extern int drm_getunique(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-extern int drm_setunique(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-extern int drm_getmap(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_getclient(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-extern int drm_getstats(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_getcap(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_setclientcap(struct drm_device *dev, void *data,
-                            struct drm_file *file_priv);
-extern int drm_setversion(struct drm_device *dev, void *data,
-                          struct drm_file *file_priv);
-extern int drm_noop(struct drm_device *dev, void *data,
-                    struct drm_file *file_priv);
-
-                                /* Context IOCTL support (drm_context.h) */
-extern int drm_resctx(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_addctx(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_getctx(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_switchctx(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-extern int drm_newctx(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_rmctx(struct drm_device *dev, void *data,
-                     struct drm_file *file_priv);
-
-extern int drm_ctxbitmap_init(struct drm_device *dev);
-extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
-extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
-
-extern int drm_setsareactx(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-extern int drm_getsareactx(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-
-                                /* Authentication IOCTL support (drm_auth.h) */
-extern int drm_getmagic(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_authmagic(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic);
+/* Misc. IOCTL support (drm_ioctl.c) */
+int drm_noop(struct drm_device *dev, void *data,
+             struct drm_file *file_priv);
 
 /* Cache management (drm_cache.c) */
 void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
 void drm_clflush_sg(struct sg_table *st);
 void drm_clflush_virt_range(void *addr, unsigned long length);
 
-                                /* Locking IOCTL support (drm_lock.h) */
-extern int drm_lock(struct drm_device *dev, void *data,
-                    struct drm_file *file_priv);
-extern int drm_unlock(struct drm_device *dev, void *data,
-                      struct drm_file *file_priv);
-extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context);
-extern void drm_idlelock_take(struct drm_lock_data *lock_data);
-extern void drm_idlelock_release(struct drm_lock_data *lock_data);
-
 /*
  * These are exported to drivers so that they can implement fencing using
  * DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
  */
 
-extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv);
-
-                                /* Buffer management support (drm_bufs.h) */
-extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request);
-extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request);
-extern int drm_addmap(struct drm_device *dev, resource_size_t offset,
-                      unsigned int size, enum drm_map_type type,
-                      enum drm_map_flags flags, struct drm_local_map **map_ptr);
-extern int drm_addmap_ioctl(struct drm_device *dev, void *data,
-                            struct drm_file *file_priv);
-extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map);
-extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map);
-extern int drm_rmmap_ioctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-extern int drm_addbufs(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
-extern int drm_infobufs(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_markbufs(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_freebufs(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_mapbufs(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
-extern int drm_dma_ioctl(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-
-                                /* DMA support (drm_dma.h) */
-extern int drm_legacy_dma_setup(struct drm_device *dev);
-extern void drm_legacy_dma_takedown(struct drm_device *dev);
-extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf);
-extern void drm_core_reclaim_buffers(struct drm_device *dev,
-                                     struct drm_file *filp);
-
                                 /* IRQ support (drm_irq.h) */
-extern int drm_control(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
 extern int drm_irq_install(struct drm_device *dev, int irq);
 extern int drm_irq_uninstall(struct drm_device *dev);
 
@@ -1358,14 +910,14 @@ extern int drm_vblank_get(struct drm_device *dev, int crtc);
 extern void drm_vblank_put(struct drm_device *dev, int crtc);
 extern int drm_crtc_vblank_get(struct drm_crtc *crtc);
 extern void drm_crtc_vblank_put(struct drm_crtc *crtc);
+extern void drm_wait_one_vblank(struct drm_device *dev, int crtc);
+extern void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
 extern void drm_vblank_off(struct drm_device *dev, int crtc);
 extern void drm_vblank_on(struct drm_device *dev, int crtc);
 extern void drm_crtc_vblank_off(struct drm_crtc *crtc);
 extern void drm_crtc_vblank_on(struct drm_crtc *crtc);
 extern void drm_vblank_cleanup(struct drm_device *dev);
 
-extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
-                                     struct timeval *tvblank, unsigned flags);
 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
                                                  int crtc, int *max_error,
                                                  struct timeval *vblank_time,
@@ -1375,60 +927,38 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
                                             const struct drm_display_mode *mode);
 
+/**
+ * drm_crtc_vblank_waitqueue - get vblank waitqueue for the CRTC
+ * @crtc: which CRTC's vblank waitqueue to retrieve
+ *
+ * This function returns a pointer to the vblank waitqueue for the CRTC.
+ * Drivers can use this to implement vblank waits using wait_event() & co.
+ */
+static inline wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc)
+{
+        return &crtc->dev->vblank[drm_crtc_index(crtc)].queue;
+}
 
 /* Modesetting support */
 extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
 extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
-extern int drm_modeset_ctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-
-                                /* AGP/GART support (drm_agpsupport.h) */
-
-#include <drm/drm_agpsupport.h>
 
                                 /* Stub support (drm_stub.h) */
-extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
-                               struct drm_file *file_priv);
-extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
-                                struct drm_file *file_priv);
-struct drm_master *drm_master_create(struct drm_minor *minor);
 extern struct drm_master *drm_master_get(struct drm_master *master);
 extern void drm_master_put(struct drm_master **master);
 
 extern void drm_put_dev(struct drm_device *dev);
 extern void drm_unplug_dev(struct drm_device *dev);
 extern unsigned int drm_debug;
-extern unsigned int drm_rnodes;
-extern unsigned int drm_universal_planes;
-
-extern unsigned int drm_vblank_offdelay;
-extern unsigned int drm_timestamp_precision;
-extern unsigned int drm_timestamp_monotonic;
-
-extern struct class *drm_class;
-extern struct dentry *drm_debugfs_root;
-
-extern struct idr drm_minors_idr;
-
-extern struct drm_local_map *drm_getsarea(struct drm_device *dev);
 
                                 /* Debugfs support */
 #if defined(CONFIG_DEBUG_FS)
-extern int drm_debugfs_init(struct drm_minor *minor, int minor_id,
-                            struct dentry *root);
 extern int drm_debugfs_create_files(const struct drm_info_list *files,
                                     int count, struct dentry *root,
                                     struct drm_minor *minor);
 extern int drm_debugfs_remove_files(const struct drm_info_list *files,
                                     int count, struct drm_minor *minor);
-extern int drm_debugfs_cleanup(struct drm_minor *minor);
 #else
-static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
-                                   struct dentry *root)
-{
-        return 0;
-}
-
 static inline int drm_debugfs_create_files(const struct drm_info_list *files,
                                            int count, struct dentry *root,
                                            struct drm_minor *minor)
@@ -1441,22 +971,8 @@ static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
 {
         return 0;
 }
-
-static inline int drm_debugfs_cleanup(struct drm_minor *minor)
-{
-        return 0;
-}
 #endif
 
-                                /* Info file support */
-extern int drm_name_info(struct seq_file *m, void *data);
-extern int drm_vm_info(struct seq_file *m, void *data);
-extern int drm_bufs_info(struct seq_file *m, void *data);
-extern int drm_vblank_info(struct seq_file *m, void *data);
-extern int drm_clients_info(struct seq_file *m, void* data);
-extern int drm_gem_name_info(struct seq_file *m, void *data);
-
-
 extern struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
                 struct drm_gem_object *obj, int flags);
 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
@@ -1468,151 +984,20 @@ extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
                 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
 extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
 
-extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
-                                        struct drm_file *file_priv);
-extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
-                                        struct drm_file *file_priv);
-
 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
                                             dma_addr_t *addrs, int max_pages);
 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);
 
-void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
-void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
-
-#if DRM_DEBUG_CODE
-extern int drm_vma_info(struct seq_file *m, void *data);
-#endif
-
-                                /* Scatter Gather Support (drm_scatter.h) */
-extern void drm_legacy_sg_cleanup(struct drm_device *dev);
-extern int drm_sg_alloc(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_sg_free(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
-
-                               /* ATI PCIGART support (ati_pcigart.h) */
-extern int drm_ati_pcigart_init(struct drm_device *dev,
-                                struct drm_ati_pcigart_info * gart_info);
-extern int drm_ati_pcigart_cleanup(struct drm_device *dev,
-                                   struct drm_ati_pcigart_info * gart_info);
-
-extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
-                                       size_t align);
-extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
-extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
-extern int drm_pci_set_unique(struct drm_device *dev,
-                              struct drm_master *master,
-                              struct drm_unique *u);
+extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+                                            size_t align);
+extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
 
                                /* sysfs support (drm_sysfs.c) */
-struct drm_sysfs_class;
-extern struct class *drm_sysfs_create(struct module *owner, char *name);
-extern void drm_sysfs_destroy(void);
-extern int drm_sysfs_device_add(struct drm_minor *minor);
 extern void drm_sysfs_hotplug_event(struct drm_device *dev);
-extern void drm_sysfs_device_remove(struct drm_minor *minor);
-extern int drm_sysfs_connector_add(struct drm_connector *connector);
-extern void drm_sysfs_connector_remove(struct drm_connector *connector);
-
-/* Graphics Execution Manager library functions (drm_gem.c) */
-int drm_gem_init(struct drm_device *dev);
-void drm_gem_destroy(struct drm_device *dev);
-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);
-
-#include <drm/drm_global.h>
-
-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_tail(struct drm_file *file_priv,
-                               struct drm_gem_object *obj,
-                               u32 *handlep);
-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, gfp_t gfpmask);
-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_close_ioctl(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-int drm_gem_open_ioctl(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv);
-void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
-void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
-
-extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev);
-extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);
-extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev);
-
-static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
-                                                         unsigned int token)
-{
-        struct drm_map_list *_entry;
-        list_for_each_entry(_entry, &dev->maplist, head)
-            if (_entry->user_token == token)
-                return _entry->map;
-        return NULL;
-}
-
-static __inline__ void drm_core_dropmap(struct drm_local_map *map)
-{
-}
-
-#include <drm/drm_mem_util.h>
-
 struct drm_device *drm_dev_alloc(struct drm_driver *driver,
                                  struct device *parent);
 void drm_dev_ref(struct drm_device *dev);
@@ -1646,6 +1031,7 @@ extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
 extern int drm_get_pci_dev(struct pci_dev *pdev,
                            const struct pci_device_id *ent,
                            struct drm_driver *driver);
+extern int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 
 #define DRM_PCIE_SPEED_25 1
 #define DRM_PCIE_SPEED_50 2
@@ -1655,6 +1041,7 @@ extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
 
 /* platform section */
 extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
+extern int drm_platform_set_busid(struct drm_device *d, struct drm_master *m);
 
 /* returns true if currently okay to sleep */
 static __inline__ bool drm_can_sleep(void)
@@ -1664,5 +1051,4 @@ static __inline__ bool drm_can_sleep(void)
         return true;
 }
 
-#endif                          /* __KERNEL__ */
 #endif