drm: possible cleanups

[safe/jmp/linux-2.6] / drivers / char / drm / drmP.h

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 307254d..cb76e5c 100644 (file)
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -57,6 +57,7 @@
 #include <linux/smp_lock.h>    /* For (un)lock_kernel */
 #include <linux/mm.h>
 #include <linux/cdev.h>
+#include <linux/mutex.h>
 #if defined(__alpha__) || defined(__powerpc__)
 #include <asm/pgtable.h>       /* For pte_wrprotect */
 #endif
@@ -356,6 +357,12 @@ typedef struct drm_freelist {
        spinlock_t lock;
 } drm_freelist_t;
 
+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.
  */
@@ -365,7 +372,7 @@ typedef struct drm_buf_entry {
        drm_buf_t *buflist;             /**< buffer list */
        int seg_count;
        int page_order;
-       unsigned long *seglist;
+       drm_dma_handle_t **seglist;
 
        drm_freelist_t freelist;
 } drm_buf_entry_t;
@@ -482,12 +489,6 @@ typedef struct drm_sigdata {
        drm_hw_lock_t *lock;
 } drm_sigdata_t;
 
-typedef struct drm_dma_handle {
-       dma_addr_t busaddr;
-       void *vaddr;
-       size_t size;
-} drm_dma_handle_t;
-
 /**
  * Mappings list
  */
@@ -623,7 +624,7 @@ typedef struct drm_device {
        /** \name Locks */
        /*@{ */
        spinlock_t count_lock;          /**< For inuse, drm_device::open_count, drm_device::buf_use */
-       struct semaphore struct_sem;    /**< For others */
+       struct mutex struct_mutex;      /**< For others */
        /*@} */
 
        /** \name Usage Counters */
@@ -658,7 +659,7 @@ typedef struct drm_device {
        /*@{ */
        drm_ctx_list_t *ctxlist;        /**< Linked list of context handles */
        int ctx_count;                  /**< Number of context handles */
-       struct semaphore ctxlist_sem;   /**< For ctxlist */
+       struct mutex ctxlist_mutex;     /**< For ctxlist */
 
        drm_map_t **context_sareas;         /**< per-context SAREA's */
        int max_context;
@@ -767,6 +768,20 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
 
 #else
 #define drm_core_has_MTRR(dev) (0)
+
+#define DRM_MTRR_WC            0
+
+static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
+                              unsigned int flags)
+{
+       return 0;
+}
+
+static inline int drm_mtrr_del(int handle, unsigned long offset,
+                              unsigned long size, unsigned int flags)
+{
+       return 0;
+}
 #endif
 
 /******************************************************************/
@@ -798,12 +813,8 @@ extern void drm_mem_init(void);
 extern int drm_mem_info(char *buf, char **start, off_t offset,
                        int request, int *eof, void *data);
 extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
-extern unsigned long drm_alloc_pages(int order, int area);
-extern void drm_free_pages(unsigned long address, int order, int area);
 extern void *drm_ioremap(unsigned long offset, unsigned long size,
                         drm_device_t * dev);
-extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
-                                drm_device_t * dev);
 extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev);
 
 extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type);
@@ -878,7 +889,6 @@ extern int drm_lock_free(drm_device_t * dev,
                                /* Buffer management support (drm_bufs.h) */
 extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
 extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
-extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request);
 extern int drm_addmap(drm_device_t * dev, unsigned int offset,
                      unsigned int size, drm_map_type_t type,
                      drm_map_flags_t flags, drm_local_map_t ** map_ptr);
@@ -965,7 +975,7 @@ extern int drm_put_head(drm_head_t * head);
 extern unsigned int drm_debug;
 extern unsigned int drm_cards_limit;
 extern drm_head_t **drm_heads;
-extern struct drm_sysfs_class *drm_class;
+extern struct class *drm_class;
 extern struct proc_dir_entry *drm_proc_root;
 
                                /* Proc support (drm_proc.h) */
@@ -996,11 +1006,9 @@ extern void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah);
 extern void drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah);
 
                               /* sysfs support (drm_sysfs.c) */
-struct drm_sysfs_class;
-extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner,
-                                               char *name);
-extern void drm_sysfs_destroy(struct drm_sysfs_class *cs);
-extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
+extern struct class *drm_sysfs_create(struct module *owner, char *name);
+extern void drm_sysfs_destroy(struct class *cs);
+extern struct class_device *drm_sysfs_device_add(struct class *cs,
                                                 drm_head_t *head);
 extern void drm_sysfs_device_remove(struct class_device *class_dev);
 
@@ -1011,11 +1019,13 @@ static __inline__ void drm_core_ioremap(struct drm_map *map,
        map->handle = drm_ioremap(map->offset, map->size, dev);
 }
 
+#if 0
 static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
                                                struct drm_device *dev)
 {
        map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
 }
+#endif  /*  0  */
 
 static __inline__ void drm_core_ioremapfree(struct drm_map *map,
                                            struct drm_device *dev)