[PATCH v2] drm/bridge: dw-hdmi-qp: fix multi-channel audio output

[Christian Hewitt]

> On 17 Mar 2026, at 8:16 pm, Luca Ceresoli <luca.ceresoli at bootlin.com> wrote:
> 
> Hello Christian,
> 
> On Sat Feb 28, 2026 at 12:28 PM CET, Christian Hewitt wrote:
>> From: Jonas Karlman <jonas at kwiboo.se>
>> 
>> Channel Allocation (PB4) and Level Shift Information (PB5) are
>> configured with values from PB1 and PB2 due to the wrong offset
>> being used. This results in missing audio channels or incorrect
>> speaker placement when playing multi-channel audio.
>> 
>> Use the correct offset to fix multi-channel audio output.
>> 
>> Fixes: fd0141d1a8a2 ("drm/bridge: synopsys: Add audio support for dw-hdmi-qp")
>> Reported-by: Christian Hewitt <christianshewitt at gmail.com>
>> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
>> Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
>> Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>
> 
> While applying this patch to drm-mics-fixes, checkpatch complains:
> 
>  -:14: WARNING:BAD_REPORTED_BY_LINK: Reported-by: should be immediately followed by Closes: with a URL to the report
> 
> You can send v3 with the link, or just reply with the link and I'll take
> care of adding it to the commit message.

Apologies, it looks like use of Reported-by was tightened since I last
used it, and there’s no official report anywhere I can link to (it was
all done in private channels) so better to just drop it from the v2 patch
if that’s possible? - if not I can send a v3 without it.

Christian