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Table 14.
Partial List of Acceptable Test Software for HDMI 2.1
HDMI 1.4b Testing
Keysight
Tektronix
Software Tools
Consult your software team or contact your NVIDIA representative for assistance with
software tools to access the register space in Orin.
Method for Tuning
Tuning is done by running the eye diagram tests on each of the data lanes while shmoo'ing the
applicable registers. The objective is to keep the differential voltage swing as close to 1000 mV
as possible, while providing the eye diagram enough margin to meet HDMI specifications.
Procedures
Calibrate the scope and probes before you begin. Refer to your scope and probe user manuals
for details on how to calibrate.
DUT
This guide does not cover setup of HDMI at any specific resolution. Work with your software
team and NVIDIA representative to prepare the DUT for testing. Following are the general
steps to set up the HDMI connection.
Disable Hot Plug Detect: The driver or OS may disable HDMI output if it detects the panel
1.
being disconnected. Try the following methods to prevent that:
Method #1: Disable the HPD interrupt through software by setting the HPD pin to
a).
TRISTATE.
PRELIMINARY INFORMATION
Jetson AGX Orin Series Tuning and Compliance Guide
D9021HDMC HDMI Electrical
TekExpress FRL
HDMI 2.1 Testing
DA-11040-001_v0.7 | 31
HDMI Tuning Guide
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