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drm/displayid: add DisplayID v2.0 data blocks and primary use cases

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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
This commit is contained in:
Jani Nikula 2021-08-31 17:17:31 +03:00
parent 8571c7656d
commit b5c24049fd
1 changed files with 29 additions and 0 deletions
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29
include/drm/drm_displayid.h
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@ -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;