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authorNoralf Trønnes <noralf@tronnes.org>2017-08-13 16:31:44 +0300
committerNoralf Trønnes <noralf@tronnes.org>2017-08-16 22:32:23 +0300
commit4c3dbb2c312c9fafbac30d98c523b8b1f3455d78 (patch)
tree901be83c520677157cb770881c39e472c99305c4 /include/drm/drm_framebuffer.h
parentd956e1293b9b43f3a9a508162cdbaa96cf02e6e0 (diff)
downloadlinux-4c3dbb2c312c9fafbac30d98c523b8b1f3455d78.tar.xz
drm: Add GEM backed framebuffer library
This library provides helpers for drivers that don't subclass drm_framebuffer and are backed by drm_gem_object. The code is taken from drm_fb_cma_helper. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-2-git-send-email-noralf@tronnes.org
Diffstat (limited to 'include/drm/drm_framebuffer.h')
-rw-r--r--include/drm/drm_framebuffer.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index 5244f059d23a..b6996ddb19d6 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -190,6 +190,13 @@ struct drm_framebuffer {
* @filp_head: Placed on &drm_file.fbs, protected by &drm_file.fbs_lock.
*/
struct list_head filp_head;
+ /**
+ * @obj: GEM objects backing the framebuffer, one per plane (optional).
+ *
+ * This is used by the GEM framebuffer helpers, see e.g.
+ * drm_gem_fb_create().
+ */
+ struct drm_gem_object *obj[4];
};
#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)