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drm: Extract drm_prime.h

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Plus a little bit more documentation.

v2: Untangle the missing forward decls to make drm_prime|gem.h
free-standing.

Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170308141257.12119-3-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2017-03-08 15:12:35 +01:00
parent aabbcab6db
commit c6bb9baa03
6 changed files with 91 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
include/drm/drmP.h
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@@ -51,13 +51,13 @@
#include <linux/platform_device.h>
#include <linux/poll.h>
#include <linux/ratelimit.h>
#include <linux/rbtree.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <linux/dma-fence.h>
#include <linux/module.h>
#include <asm/mman.h>
#include <asm/pgalloc.h>
@@ -75,8 +75,8 @@
#include <drm/drm_mm.h>
#include <drm/drm_os_linux.h>
#include <drm/drm_sarea.h>
#include <drm/drm_vma_manager.h>
#include <drm/drm_drv.h>
#include <drm/drm_prime.h>
struct module;
@@ -89,6 +89,7 @@ struct drm_dma_handle;
struct drm_gem_object;
struct drm_master;
struct drm_vblank_crtc;
struct drm_vma_offset_manager;
struct device_node;
struct videomode;
@@ -370,12 +371,6 @@ struct drm_pending_event {
we deliver the event, for tracing only */
};
struct drm_prime_file_private {
struct mutex lock;
struct rb_root dmabufs;
struct rb_root handles;
};
/** File private data */
struct drm_file {
unsigned authenticated :1;
@@ -759,27 +754,6 @@ static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
}
#endif
struct dma_buf_export_info;
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,
struct drm_file *file_priv, uint32_t handle, uint32_t flags,
int *prime_fd);
extern struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf);
extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
struct dma_buf_export_info *exp_info);
extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
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, unsigned int nr_pages);
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align);