diff options
Diffstat (limited to 'include/drm/drm_gem.h')
| -rw-r--r-- | include/drm/drm_gem.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index a9121fe66ea2..6aaba14f5972 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -35,7 +35,7 @@ */ #include <linux/kref.h> -#include <linux/reservation.h> +#include <linux/dma-resv.h> #include <drm/drm_vma_manager.h> @@ -101,7 +101,7 @@ struct drm_gem_object_funcs { /** * @pin: * - * Pin backing buffer in memory. + * Pin backing buffer in memory. Used by the drm_gem_map_attach() helper. * * This callback is optional. */ @@ -110,7 +110,7 @@ struct drm_gem_object_funcs { /** * @unpin: * - * Unpin backing buffer. + * Unpin backing buffer. Used by the drm_gem_map_detach() helper. * * This callback is optional. */ @@ -120,16 +120,21 @@ struct drm_gem_object_funcs { * @get_sg_table: * * Returns a Scatter-Gather table representation of the buffer. - * Used when exporting a buffer. + * Used when exporting a buffer by the drm_gem_map_dma_buf() helper. + * Releasing is done by calling dma_unmap_sg_attrs() and sg_free_table() + * in drm_gem_unmap_buf(), therefore these helpers and this callback + * here cannot be used for sg tables pointing at driver private memory + * ranges. * - * This callback is mandatory if buffer export is supported. + * See also drm_prime_pages_to_sg(). */ struct sg_table *(*get_sg_table)(struct drm_gem_object *obj); /** * @vmap: * - * Returns a virtual address for the buffer. + * Returns a virtual address for the buffer. Used by the + * drm_gem_dmabuf_vmap() helper. * * This callback is optional. */ @@ -138,7 +143,8 @@ struct drm_gem_object_funcs { /** * @vunmap: * - * Releases the the address previously returned by @vmap. + * Releases the the address previously returned by @vmap. Used by the + * drm_gem_dmabuf_vunmap() helper. * * This callback is optional. */ @@ -270,7 +276,7 @@ struct drm_gem_object { * * Normally (@resv == &@_resv) except for imported GEM objects. */ - struct reservation_object *resv; + struct dma_resv *resv; /** * @_resv: @@ -279,7 +285,7 @@ struct drm_gem_object { * * This is unused for imported GEM objects. */ - struct reservation_object _resv; + struct dma_resv _resv; /** * @funcs: @@ -384,7 +390,7 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, int count, struct drm_gem_object ***objs_out); struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); -long drm_gem_reservation_object_wait(struct drm_file *filep, u32 handle, +long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle, bool wait_all, unsigned long timeout); int drm_gem_lock_reservations(struct drm_gem_object **objs, int count, struct ww_acquire_ctx *acquire_ctx); |