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

Andrzej Pietrasiewicz
2019-12-13T21:24:59Z

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@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
*/