On Fri, Mar 10, 2023 at 11:07:13AM -0800, stcar...@linux.microsoft.com wrote:
> From: Stephen Carlson <stcar...@linux.microsoft.com> > > Enable tuning of the PCI Express MPS (Maximum Payload Size) of > each device. The Maximum Read Request Size is not altered. > > The SAFE method uses the largest MPS value supported by all devices in the > system for each device. This method is the same algorithm as used by Linux > pci=pcie_bus_safe. > > The PEER2PEER method sets all devices to the minimal (128 byte) MPS, which > allows hot plug of devices later that might only support the minimum size, > and ensures compatibility of DMA between two devices on the bus. > > Signed-off-by: Stephen Carlson <stcar...@linux.microsoft.com> Applied to u-boot/next, thanks! -- Tom
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