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dtoverlays: make pcie-32bit-dma-pi5 select internal MSI target

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Adding a second inbound bridge window at <4GB for the MIP causes SWIOTLB
allocations to overflow/fail.

See tail of https://github.com/raspberrypi/linux/issues/7046

A simple fix is to switch to the RC-provided MSI target.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
This commit is contained in:
Jonathan Bell
2025-09-22 13:03:18 +01:00
committed by Dom Cobley
parent 6045bc92f0
commit 9b1e5cf8e9
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/overlays/pcie-32bit-dma-pi5-overlay.dts
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@@ -18,6 +18,7 @@
*/ */
#address-cells = <3>; #address-cells = <3>;
#size-cells = <2>; #size-cells = <2>;
msi-parent = <&pciex1>;
dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000 dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000
0x0 0x80000000>; 0x0 0x80000000>;
}; };