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-rw-r--r--include/uapi/drm/drm_mode.h38
1 files changed, 34 insertions, 4 deletions
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 86574b0005ff..ca788e01dab2 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -272,6 +272,13 @@ struct drm_mode_get_connector {
#define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1)
#define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2)
+/* the PROP_ATOMIC flag is used to hide properties from userspace that
+ * is not aware of atomic properties. This is mostly to work around
+ * older userspace (DDX drivers) that read/write each prop they find,
+ * witout being aware that this could be triggering a lengthy modeset.
+ */
+#define DRM_MODE_PROP_ATOMIC 0x80000000
+
struct drm_mode_property_enum {
__u64 value;
char name[DRM_PROP_NAME_LEN];
@@ -338,7 +345,7 @@ struct drm_mode_fb_cmd2 {
/*
* In case of planar formats, this ioctl allows up to 4
- * buffer objects with offets and pitches per plane.
+ * buffer objects with offsets and pitches per plane.
* The pitch and offset order is dictated by the fourcc,
* e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
*
@@ -346,9 +353,9 @@ struct drm_mode_fb_cmd2 {
* followed by an interleaved U/V plane containing
* 8 bit 2x2 subsampled colour difference samples.
*
- * So it would consist of Y as offset[0] and UV as
- * offeset[1]. Note that offset[0] will generally
- * be 0.
+ * 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).
*/
__u32 handles[4];
__u32 pitches[4]; /* pitch for each plane */
@@ -519,4 +526,27 @@ struct drm_mode_destroy_dumb {
uint32_t handle;
};
+/* page-flip flags are valid, plus: */
+#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
+#define DRM_MODE_ATOMIC_NONBLOCK 0x0200
+#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
+
+#define DRM_MODE_ATOMIC_FLAGS (\
+ DRM_MODE_PAGE_FLIP_EVENT |\
+ DRM_MODE_PAGE_FLIP_ASYNC |\
+ DRM_MODE_ATOMIC_TEST_ONLY |\
+ DRM_MODE_ATOMIC_NONBLOCK |\
+ DRM_MODE_ATOMIC_ALLOW_MODESET)
+
+struct drm_mode_atomic {
+ __u32 flags;
+ __u32 count_objs;
+ __u64 objs_ptr;
+ __u64 count_props_ptr;
+ __u64 props_ptr;
+ __u64 prop_values_ptr;
+ __u64 reserved;
+ __u64 user_data;
+};
+
#endif