linux-kernel - Re: [PATCH v2] media: qcom: camss: fix VFE pm domain off

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Message-ID: <02029a14-3cc0-453e-b1ea-ec7dd30dbb33@linaro.org>
Date: Fri, 29 Nov 2024 11:23:30 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
 Barnabás Czémán <barnabas.czeman@...nlining.org>,
 Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Hans Verkuil <hverkuil@...all.nl>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org, Yassine Oudjana <y.oudjana@...tonmail.com>
Subject: Re: [PATCH v2] media: qcom: camss: fix VFE pm domain off

On 29/11/2024 11:20, Vladimir Zapolskiy wrote:
> There should be no room for suppositions, the source code is open.
> 
> If the described by you case is true, and vfe_pm_domain_on() fails,
> then vfe_pm_domain_off() shall not be called, otherwise that's the
> real problem and it shall be fixed instead of being veiled by the
> proposed change.

Maybe, maybe not I'd like to hear more from Barnabás on that, who is in 
a position to replicate this bug.

---
bod