diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2019-05-08 10:26:15 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-05-15 16:17:06 +0200 |
| commit | 1f460b497890d6bf54aba6e41fe24bba2217141a (patch) | |
| tree | 2c2d57e20b409033bfbec8cdcd80acb5733768a3 /include/drm/drm_gem_vram_helper.h | |
| parent | fed1eec080b9b23f5a80a0c4f19ae49a2d14c69e (diff) | |
| download | lwn-1f460b497890d6bf54aba6e41fe24bba2217141a.tar.gz lwn-1f460b497890d6bf54aba6e41fe24bba2217141a.zip | |
drm: Add simple PRIME helpers for GEM VRAM
These basic helper functions for GEM VRAM allow for pinning and mapping
GEM VRAM objects via the PRIME interfaces. It's not a full implementation,
but complete enough for generic fbcon.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-6-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'include/drm/drm_gem_vram_helper.h')
| -rw-r--r-- | include/drm/drm_gem_vram_helper.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 8e54f721c9f8..9a8bd98b623f 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -116,5 +116,25 @@ void drm_gem_vram_driver_gem_free_object_unlocked(struct drm_gem_object *gem); int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); +/* + * PRIME helpers for struct drm_driver + */ + +int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *obj); +void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *obj); +void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *obj); +void drm_gem_vram_driver_gem_prime_vunmap(struct drm_gem_object *obj, + void *vaddr); +int drm_gem_vram_driver_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma); + +#define DRM_GEM_VRAM_DRIVER_PRIME \ + .gem_prime_export = drm_gem_prime_export, \ + .gem_prime_import = drm_gem_prime_import, \ + .gem_prime_pin = drm_gem_vram_driver_gem_prime_pin, \ + .gem_prime_unpin = drm_gem_vram_driver_gem_prime_unpin, \ + .gem_prime_vmap = drm_gem_vram_driver_gem_prime_vmap, \ + .gem_prime_vunmap = drm_gem_vram_driver_gem_prime_vunmap, \ + .gem_prime_mmap = drm_gem_vram_driver_gem_prime_mmap #endif |