drm/edid: Add detailed block walk for CEA extensions
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 39e2cc5..5881fad 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -28,6 +28,12 @@
#define EDID_LENGTH 128
#define DDC_ADDR 0x50
+#define CEA_EXT 0x02
+#define VTB_EXT 0x10
+#define DI_EXT 0x40
+#define LS_EXT 0x50
+#define MI_EXT 0x60
+
struct est_timings {
u8 t1;
u8 t2;