[PATCHv4 01/36] drm/framebuffer: Add optional modifier info

[Andrzej Pietrasiewicz]

modifier_info is a pointer to an optional modifier-related information.
Managing the memory needed for that information is the responsibility
of drivers.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p at collabora.com>
---
 include/drm/drm_framebuffer.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index c0e0256e3e98..2b3341b526d7 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -29,6 +29,7 @@
 
 #include <drm/drm_mode_object.h>
 
+struct drm_afbc;
 struct drm_clip_rect;
 struct drm_device;
 struct drm_file;
@@ -139,6 +140,21 @@ struct drm_framebuffer {
 	 * @format: framebuffer format information
 	 */
 	const struct drm_format_info *format;
+
+	union {
+		/**
+		 * @modifier_info: pointer to an optional modifier-related
+		 * information. Managing the memory holding that information
+		 * is driver's responsibility.
+		 */
+		void *modifier_info;
+
+		/**
+		 * @afbc_info: afbc-specific pointer
+		 */
+		struct drm_afbc *afbc_info;
+	};
+
 	/**
 	 * @funcs: framebuffer vfunc table
 	 */
-- 
2.17.1