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>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 39e2cc5c7e6..5881fad91fa 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;