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-rw-r--r--include/uapi/drm/drm_mode.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index ca788e01dab2..dbeba949462a 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -336,6 +336,7 @@ struct drm_mode_fb_cmd {
};
#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
+#define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */
struct drm_mode_fb_cmd2 {
__u32 fb_id;
@@ -356,10 +357,18 @@ struct drm_mode_fb_cmd2 {
* So it would consist of Y as offsets[0] and UV as
* offsets[1]. Note that offsets[0] will generally
* be 0 (but this is not required).
+ *
+ * To accommodate tiled, compressed, etc formats, a per-plane
+ * modifier can be specified. The default value of zero
+ * indicates "native" format as specified by the fourcc.
+ * Vendor specific modifier token. This allows, for example,
+ * different tiling/swizzling pattern on different planes.
+ * See discussion above of DRM_FORMAT_MOD_xxx.
*/
__u32 handles[4];
__u32 pitches[4]; /* pitch for each plane */
__u32 offsets[4]; /* offset of each plane */
+ __u64 modifier[4]; /* ie, tiling, compressed (per plane) */
};
#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01