Claude review: drm/bridge: dw-hdmi-qp: fix multi-channel audio output

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Overall Series Review

Subject: drm/bridge: dw-hdmi-qp: fix multi-channel audio output
Author: Christian Hewitt <christianshewitt@gmail.com>
Patches: 1
Reviewed: 2026-03-03T14:21:01.926357

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This is a single patch (v2) that fixes an off-by-3 buffer offset error when writing the HDMI Audio InfoFrame in the `dw-hdmi-qp` bridge driver. The fix is **correct and straightforward**. The commit message is clear, has proper tags (Fixes, Reported-by, Signed-off-by, Reviewed-by), and the change is minimal and targeted.

**Note on applicability to drm-next:** The patch targets the older version of `dw_hdmi_qp_config_audio_infoframe()` which used three individual `regmap_bulk_write()` calls. In the current drm-next tree, this function has been refactored to `dw_hdmi_qp_bridge_write_audio_infoframe()` and now uses the generic `dw_hdmi_qp_write_infoframe()` helper, which iterates over the entire buffer with correct offsets. This means **the bug has already been fixed in drm-next as a side effect of the refactoring**. However, the patch is still valuable for stable backports to kernels that have the original code (commit `fd0141d1a8a2`).

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