Re: [PATCH v2 1/4] arm64: dts: mt8188: update JPEG encoder/decoder compatible

[Krzysztof Kozlowski]

On Wed, Dec 24, 2025 at 11:17:18AM +0800, Jianhua Lin wrote:
> The JPEG encoder and decoder of MT8188 share the same architecture
> and features as those of MT8189, both use a 34-bit iova
> address-space (16GB) and a single clock configuration.
> 
> Previously, MT8188 was incorrectly defined alongside SoCs with 32-bit
> iova address-space (4GB), such as "mediatek,mt2701-jpgdec" and
> "mediatek,mtk-jpgenc". This mismatch results in an ABI break,

How this mismatch can result in ABI break?

> as MT8188 cannot function correctly under the 32-bit iova
> address-space (4GB) configuration.

Do you understand what is an ABI break? This commit is the ABI break.

Best regards,
Krzysztof