Nvidia Jetson AGX Orin Series

DisplayPort and Embedded DisplayPort Tuning Guide
PRELIMINARY INFORMATION
Jetson AGX Orin Series Tuning and Compliance Guide DA-11040-001_v0.7 | 41
Registers
The Serial Output Resource (SOR) module can be configured to support HDMI or DisplayPort
technology. The Orin module has one instance of the SOR module on the HDMI_DP2 pins.
Table 19. Orin SOR Registers
Register Name Bit Fields Description Notes
NV_PDISP_SOR_LANE_DRIVE_CURRENT_0: Address 0x1380c118
LANE2_DP_LANE0 07:00 Drive Strength Controls for Lane 0 Used to set
transmitter main
output drive level
for each of the four
lanes.
LANE1_DP_LANE1 15:08 Drive Strength Controls for Lane 1
LANE0_DP_LANE2 23:16 Drive Strength Controls for Lane 2
LANE3_DP_LANE3 31:24 Drive Strength Controls for Lane 3
NV_PDISP_SOR_LANE_PREEMPHASIS_0: Address 0x1380c120
LANE2_DP_LANE0 07:00 Pre-Emphasis Controls for Lane 0
LANE1_DP_LANE1 15:08 Pre-Emphasis Controls for Lane 1
LANE0_DP_LANE2 23:16 Pre-Emphasis Controls for Lane 2
LANE3_DP_LANE3 31:24 Pre-Emphasis Controls for Lane 3
NV_PDISP_SOR_DP_PADCTL0_0: Address 0x1380c130
TX_PU_LINK_VALUE 11:08
TX common mode pulls up by % of PLL_VDD -
IO_VDD.
0000 -> 0%
0001 -> 10%
0010 -> 20%
0011 -> 30%
0100 -> 40%
0101 -> 50%
0110 -> 60%
0111 -> 70%
1000 -> 80%
1001 -> 90%
1010 -> 100%
Configure the TX
pull-up drive
strength separately
for each link of
connected SOR.
TX_PU 22:22
Pull-up current sources
0x0 = Disable
0x1 = Enable
Configure the TX
pull-up current
source separately
for each link of
connected SOR.