#include <linux/mm.h>
#include <linux/cdev.h>
#include <linux/mutex.h>
+#include <linux/io.h>
#include <linux/slab.h>
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
-#include <asm/io.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
#include <linux/types.h>
#include <linux/agp_backend.h>
#include <asm/pgalloc.h>
#include <drm/drm.h>
#include <drm/drm_sarea.h>
+#include <drm/drm_vma_manager.h>
#include <linux/idr.h>
struct drm_local_map *map; /**< mapping */
uint64_t user_token;
struct drm_master *master;
- struct drm_mm_node *file_offset_node; /**< fake offset */
};
/**
* GEM specific mm private for tracking GEM objects
*/
struct drm_gem_mm {
- struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */
- struct drm_open_hash offset_hash; /**< User token hash table for maps */
+ struct drm_vma_offset_manager vma_manager;
};
/**
struct file *filp;
/* Mapping info for this object */
- struct drm_map_list map_list;
+ struct drm_vma_offset_node vma_node;
/**
* Size of the object, in bytes. Immutable over the object's
struct dma_buf *dma_buf);
/* low-level interface used by drm_gem_prime_{import,export} */
int (*gem_prime_pin)(struct drm_gem_object *obj);
+ void (*gem_prime_unpin)(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 sg_table *sgt);
void *(*gem_prime_vmap)(struct drm_gem_object *obj);
void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);
+ int (*gem_prime_mmap)(struct drm_gem_object *obj,
+ struct vm_area_struct *vma);
/* vga arb irq handler */
void (*vgaarb_irq)(struct drm_device *dev, bool state);
u32 driver_features;
int dev_priv_size;
- struct drm_ioctl_desc *ioctls;
+ const struct drm_ioctl_desc *ioctls;
int num_ioctls;
const struct file_operations *fops;
union {
/*@{ */
int irq_enabled; /**< True if irq handler is enabled */
__volatile__ long context_flag; /**< Context swapping flag */
- __volatile__ long interrupt_flag; /**< Interruption handler flag */
- __volatile__ long dma_flag; /**< DMA dispatch flag */
- wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
- int last_checked; /**< Last context checked for DMA */
int last_context; /**< Last current context */
- unsigned long last_switch; /**< jiffies at last context switch */
/*@} */
struct work_struct work;
spinlock_t event_lock;
/*@} */
- cycles_t ctx_start;
- cycles_t lck_start;
struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
- wait_queue_head_t buf_readers; /**< Processes waiting to read */
- wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
struct drm_agp_head *agp; /**< AGP data */
{
return drm_core_check_feature(dev, DRIVER_USE_MTRR);
}
-
-#define DRM_MTRR_WC MTRR_TYPE_WRCOMB
-
-static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
- unsigned int flags)
-{
- return mtrr_add(offset, size, flags, 1);
-}
-
-static inline int drm_mtrr_del(int handle, unsigned long offset,
- unsigned long size, unsigned int flags)
-{
- return mtrr_del(handle, offset, size);
-}
-
#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
static inline void drm_device_set_unplugged(struct drm_device *dev)
struct drm_file *file_priv);
extern int drm_addctx(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_modctx(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_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_order(unsigned long size);
/* DMA support (drm_dma.h) */
extern int drm_dma_setup(struct drm_device *dev);
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);
/* Scatter Gather Support (drm_scatter.h) */
extern void drm_sg_cleanup(struct drm_sg_mem * entry);
-extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
+extern int drm_sg_alloc(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
extern int drm_sg_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
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 char *drm_get_connector_status_name(enum drm_connector_status status);
extern int drm_sysfs_connector_add(struct drm_connector *connector);
extern void drm_sysfs_connector_remove(struct drm_connector *connector);
size_t size);
int drm_gem_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
-int drm_gem_private_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_object_handle_free(struct drm_gem_object *obj);
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_unreference_unlocked(struct drm_gem_object *obj)
{
- if (obj != NULL) {
+ if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) {
struct drm_device *dev = obj->dev;
+
mutex_lock(&dev->struct_mutex);
- kref_put(&obj->refcount, drm_gem_object_free);
+ if (likely(atomic_dec_and_test(&obj->refcount.refcount)))
+ drm_gem_object_free(&obj->refcount);
mutex_unlock(&dev->struct_mutex);
}
}
atomic_inc(&obj->handle_count);
}
-static inline void
-drm_gem_object_handle_unreference(struct drm_gem_object *obj)
-{
- if (obj == NULL)
- return;
-
- if (atomic_read(&obj->handle_count) == 0)
- return;
- /*
- * Must bump handle count first as this may be the last
- * ref, in which case the object would disappear before we
- * checked for a name
- */
- if (atomic_dec_and_test(&obj->handle_count))
- drm_gem_object_handle_free(obj);
- drm_gem_object_unreference(obj);
-}
-
static inline void
drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
{
git.openpandora.org / pandora-kernel.git / blobdiff