Mali GPU iommu

To: port-arm%NetBSD.org@localhost
Subject: Mali GPU iommu
From: Robert Swindells <rjs%fdy2.co.uk@localhost>
Date: Mon, 06 Feb 2023 11:40:47 +0000

The remaining bit of Linux emulation that I need to write to start
debugging the Panfrost DRM GPU driver is an implementation of the
iommu interfaces defined in <linux/io-pgtable.h>.

The Panfrost GPU MMU seems to be similar to an ARM LPAE one.

Should I try to share anything with the NetBSD arm pmap code or keep
it separate?

Robert Swindells

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