From c91e0384bc18954d800e637840bd9bf63e67eb52 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Tue, 31 Aug 2021 17:17:31 +0300
Subject: drm/displayid: add DisplayID v2.0 data blocks and primary use cases
Git-commit: b5c24049fd17ca053380eb6a58d685ff99f9a319
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
DisplayID v2.0 changes the data block identifiers and product types (now
called primary use cases).
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5a5c7e4477782c174f494947e2a2ea618b2b1ef2.1630419362.git.jani.nikula@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
include/drm/drm_displayid.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h
index 0ed9445b5482..79771091771a 100644
--- a/include/drm/drm_displayid.h
+++ b/include/drm/drm_displayid.h
@@ -26,6 +26,10 @@
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
@@ -48,6 +52,20 @@ struct edid;
#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
@@ -57,6 +75,17 @@ struct edid;
#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;
--
2.38.1