From b5c24049fd17ca053380eb6a58d685ff99f9a319 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 31 Aug 2021 17:17:31 +0300 Subject: [PATCH] drm/displayid: add DisplayID v2.0 data blocks and primary use cases DisplayID v2.0 changes the data block identifiers and product types (now called primary use cases). Reviewed-by: Uma Shankar Acked-by: Maxime Ripard Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/5a5c7e4477782c174f494947e2a2ea618b2b1ef2.1630419362.git.jani.nikula@intel.com --- 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; -- 2.11.0