struct drm_local_map;
struct drm_device_dma;
struct drm_dma_handle;
+struct drm_gem_object;
struct device_node;
struct videomode;
struct reservation_object;
+struct dma_buf_attachment;
/*
* 4 debug categories are defined:
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 */
int idle_has_lock;
};
-/**
- * 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
*
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);
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 void drm_vm_open_locked(struct drm_device *dev, struct vm_area_struct *vma);
extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
/* Misc. IOCTL support (drm_ioctl.c) */
/* 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);
/* 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);
/* 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);
-extern int drm_debugfs_connector_add(struct drm_connector *connector);
-extern void drm_debugfs_connector_remove(struct drm_connector *connector);
#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)
{
return 0;
}
-
-static inline int drm_debugfs_cleanup(struct drm_minor *minor)
-{
- return 0;
-}
-
-static inline int drm_debugfs_connector_add(struct drm_connector *connector)
-{
- return 0;
-}
-static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
-{
-}
-
#endif
extern struct dma_buf *drm_gem_prime_export(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);
-
extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align);
/* 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);
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