diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h index 2ea0c31326b3..28e68be41123 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h @@ -35,6 +35,13 @@ struct dc_link_settings; /* The approximate time (us) it takes to transmit 9 USB4 DP clock sync packets. */ #define DPIA_CLK_SYNC_DELAY 16000 +/** @note Can remove once DP tunneling registers in upstream include/drm/drm_dp_helper.h */ +/* DPCD DP Tunneling over USB4 */ +#define DP_TUNNELING_CAPABILITIES_SUPPORT 0xe000d +#define DP_IN_ADAPTER_INFO 0xe000e +#define DP_USB4_DRIVER_ID 0xe000f +#define DP_USB4_ROUTER_TOPOLOGY_ID 0xe001b + /* SET_CONFIG message types sent by driver. */ enum dpia_set_config_type { DPIA_SET_CFG_SET_LINK = 0x01, |