Take AGX Orin as a PCIe endpoint device and connect it to an x86 host PC. Currently, AGX Orin only uses MSI0 for DMA interrupts. Is it possible to switch it to MSI1, so that the host PC side can use MSI1 for corresponding interrupts?
Hello,
Thanks for visiting the NVIDIA Developer Forums.
To ensure better visibility and support, I’ve moved your post to the Jetson category where it’s more appropriate
Cheers,
Tom
Hi,
Please apply the patch to enable the function:
Making sure you're not a bot!
[PCIe] Patch to re-enable GICv2m for PCIe MSI interrupts and restore I/O performance
Kernel customization:
Kernel Customization — NVIDIA Jetson Linux Developer Guide