Kernel

This topic discusses aspects of the NVIDIA^® Jetson™ Linux kernel.

• Kernel Adaptation
  • From Rel-32 Kernel 4.9 to rel-34 Kernel 5.10
    • Compiler Update
    • Plug-in Manager replaced by DTBO
    • Carrier Board Customization Notes
    • Minor Version Update
• Kernel Customization
  • Obtaining the Kernel Sources with Git
    • Prerequisites
    • To sync the kernel sources
  • Manually Downloading and Expanding Kernel Sources
    • To manually download and expand the kernel sources
  • Building the Kernel
    • To build the kernel
    • To sign and encrypt kernel, kernel-dtb, and initrd binary files
  • Preparing to Build External Kernel Modules
    • To prepare the Jetson Linux kernel headers on a Jetson system
    • To prepare the Jetson Linux kernel headers on a non-Jetson system
    • To use a manually built kernel source tree
    • To prepare a kernel source tree that is not built
  • To build external kernel modules
  • Using the Jetson Linux Real-Time Kernel Package
    • Prerequisites
    • To install the real-time kernel package
    • To remove the real-time kernel package
    • Switching to a Different Kernel
• Generic Timestamp Engine
  • Enabling the GTE Driver
    • To enable the GTE device tree nodes
    • To enable and compile the GTE kernel driver and test driver
  • Running Sample GTE Tests
    • To run the GTE test kernel driver
    • To run the GTE user space sample application
    • To display GTE device and GTE event statistics
• Boot Time Optimization
  • Device Tree Nodes
  • Environment Configuration
    • Disable Console Printing over UART
  • Compile-Time Configuration
  • Asynchronous Probe
    • To move the driver to another thread
  • To reduce file system initialization time
  • To disable audio configurations
  • To modularize the kernel drivers
  • To disable debugging
• Display Configuration and Bring-Up
  • For Jetson AGX Orin : Enabling HDMI on Custom Carrier Boards
    • Known Limitation
  • Setting HDMI or DP Screen Resolution
    • To change the default HDMI/DP screen resolution
  • Mirroring or Extending Displays
    • To choose the relative position of each monitor
  • Hard-coding Kernel Display Boot Mode for HDMI
    • To update the kernel DTB file
    • To specify a mode other than the default
    • Guidelines
  • nvimp_util: A Tool for Calculating Memory Bandwidth for a Particular Display Configuration (IMP)
    • Command Line Options
    • Multi-Head/Multi-Window Input Configurations
    • Output Values
    • Device Tree Configuration
  • Seamless Display on DP (over USB-C)