From: Krzysztof Kozlowski <krzk@kernel.org>
To: Jianhua Lin <jianhua.lin@mediatek.com>
Cc: mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, matthias.bgg@gmail.com,
angelogioacchino.delregno@collabora.com,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Project_Global_Chrome_Upstream_Group@mediatek.com,
sirius.wang@mediatek.com, vince-wl.liu@mediatek.com,
jh.hsu@mediatek.com
Subject: Re: [PATCH v2 1/4] arm64: dts: mt8188: update JPEG encoder/decoder compatible
Date: Sat, 27 Dec 2025 13:34:30 +0100 [thread overview]
Message-ID: <20251227-overjoyed-illustrious-snail-9323e9@quoll> (raw)
In-Reply-To: <20251224031721.9942-2-jianhua.lin@mediatek.com>
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
next prev parent reply other threads:[~2025-12-27 12:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-24 3:17 [PATCH v2 0/4] Mediatek MT8189 JPEG support Jianhua Lin
2025-12-24 3:17 ` [PATCH v2 1/4] arm64: dts: mt8188: update JPEG encoder/decoder compatible Jianhua Lin
2025-12-27 12:34 ` Krzysztof Kozlowski [this message]
2025-12-24 3:17 ` [PATCH v2 2/4] dt-bindings: media: mediatek-jpeg-decoder: add MT8189 compatible string Jianhua Lin
2025-12-27 12:33 ` Krzysztof Kozlowski
2026-01-06 21:11 ` Nicolas Dufresne
2025-12-24 3:17 ` [PATCH v2 3/4] dt-bindings: media: mediatek-jpeg-encoder: " Jianhua Lin
2025-12-27 12:32 ` Krzysztof Kozlowski
2025-12-24 3:17 ` [PATCH v2 4/4] media: mediatek: jpeg: add compatible for MT8189 SoC Jianhua Lin
2025-12-24 19:34 ` Nicolas Dufresne
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