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Message-ID: <8a36e61a-5397-4513-ae0d-eb68ccd8e584@linaro.org>
Date: Thu, 26 Oct 2023 22:08:19 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
hverkuil-cisco@...all.nl, laurent.pinchart@...asonboard.com,
rfoss@...nel.org, todor.too@...il.com, andersson@...nel.org,
mchehab@...nel.org
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/5] media: qcom: camss: Convert to per-VFE pointer for
power-domain linkages
On 10/26/23 17:50, Bryan O'Donoghue wrote:
> Right now we use the top-level camss structure to provide pointers via
> VFE id index back to genpd linkages.
>
> In effect this hard-codes VFE indexes to power-domain indexes in the
> dtsi and mandates a very particular ordering of power domains in the
> dtsi, which bears no relationship to a real hardware dependency.
>
> As a first step to rationalising the VFE power-domain code and breaking
> the magic indexing in dtsi use per-VFE pointers to genpd linkages.
>
> The top-level index in msm_vfe_subdev_init is still used to attain the
> initial so no functional or logical change arises from this change.
>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Konrad
> + if (vfe->id >= camss->res->vfe_num)
> return 0;
P.S. this seems better suited for some warning, I think
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