linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: x1e78100-t14s: Add audio playback over DisplayPort

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <47758ce9-5ec6-4ed6-9f84-13cbdd444d75@oss.qualcomm.com>
Date: Wed, 17 Dec 2025 13:51:28 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Abel Vesa <abel.vesa@...aro.org>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: x1e78100-t14s: Add audio
 playback over DisplayPort

On 12/17/25 1:38 PM, Krzysztof Kozlowski wrote:
> On 17/12/2025 13:33, Konrad Dybcio wrote:
>> On 12/17/25 1:00 PM, Krzysztof Kozlowski wrote:
>>> Add necessary DAI links and DAI name prefixes to enable audio playback
>>> over USB/DisplayPort and HDMI.  The HDMI port is not yet enabled, but it
>>> should carry respective DAI name prefix regardless.
>>>
>>> Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
>>>
>>> ---
>>
>> (something's inserting a \n before --- in your latest patches but I
> 
> No, it is not. It was always like that and only recently git started
> dropping it, but it is irrelevant.
> 
>> don't know if this is a problem)
>>
>> [...]
>>
>>> +		displayport-2-dai-link {
>>> +			link-name = "DisplayPort2 Playback";
>>> +
>>> +			codec {
>>> +				sound-dai = <&mdss_dp2>;
>>
>> How does this work out with fw_devlink?
> 
> How is this related to this patchset? Please stop nit-picking irrelevant
> things.

I'm asking whether this is going to break sync_state because you're not
enabling mdss_dp2 - I believe that's a fair question..

Konrad