struct edid;
+/* DisplayID Structure versions */
+#define DISPLAY_ID_STRUCTURE_VER_12 0x12
+#define DISPLAY_ID_STRUCTURE_VER_20 0x20
+
/* DisplayID Structure v1r2 Data Blocks */
#define DATA_BLOCK_PRODUCT_ID 0x00
#define DATA_BLOCK_DISPLAY_PARAMETERS 0x01
#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f
#define DATA_BLOCK_CTA 0x81
+/* DisplayID Structure v2r0 Data Blocks */
+#define DATA_BLOCK_2_PRODUCT_ID 0x20
+#define DATA_BLOCK_2_DISPLAY_PARAMETERS 0x21
+#define DATA_BLOCK_2_TYPE_7_DETAILED_TIMING 0x22
+#define DATA_BLOCK_2_TYPE_8_ENUMERATED_TIMING 0x23
+#define DATA_BLOCK_2_TYPE_9_FORMULA_TIMING 0x24
+#define DATA_BLOCK_2_DYNAMIC_VIDEO_TIMING 0x25
+#define DATA_BLOCK_2_DISPLAY_INTERFACE_FEATURES 0x26
+#define DATA_BLOCK_2_STEREO_DISPLAY_INTERFACE 0x27
+#define DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY 0x28
+#define DATA_BLOCK_2_CONTAINER_ID 0x29
+#define DATA_BLOCK_2_VENDOR_SPECIFIC 0x7e
+#define DATA_BLOCK_2_CTA_DISPLAY_ID 0x81
+
/* DisplayID Structure v1r2 Product Type */
#define PRODUCT_TYPE_EXTENSION 0
#define PRODUCT_TYPE_TEST 1
#define PRODUCT_TYPE_REPEATER 5
#define PRODUCT_TYPE_DIRECT_DRIVE 6
+/* DisplayID Structure v2r0 Display Product Primary Use Case (~Product Type) */
+#define PRIMARY_USE_EXTENSION 0
+#define PRIMARY_USE_TEST 1
+#define PRIMARY_USE_GENERIC 2
+#define PRIMARY_USE_TV 3
+#define PRIMARY_USE_DESKTOP_PRODUCTIVITY 4
+#define PRIMARY_USE_DESKTOP_GAMING 5
+#define PRIMARY_USE_PRESENTATION 6
+#define PRIMARY_USE_HEAD_MOUNTED_VR 7
+#define PRIMARY_USE_HEAD_MOUNTED_AR 8
+
struct displayid_header {
u8 rev;
u8 bytes;