linux-kernel - Re: [PATCH 4/8] media: platform: venus: Add optional LLCC path

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Message-ID: <028cb159-badd-4dfc-8a67-35f12cb1a720@oss.qualcomm.com>
Date: Sat, 8 Mar 2025 18:44:35 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: Re: [PATCH 4/8] media: platform: venus: Add optional LLCC path

On 4.03.2025 2:07 PM, Bryan O'Donoghue wrote:
> From: Konrad Dybcio <konradybcio@...nel.org>
> 
> Some newer SoCs (such as SM8350) have a third interconnect path. Add
> it and make it optional.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> Link: https://lore.kernel.org/r/20230731-topic-8280_venus-v1-4-8c8bbe1983a5@linaro.org
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---

I'm not sure this is any useful without additional code after all,
as the LLCC path is a subset of the DDR path, the downstream driver
likely just increases the bw to LLC itself which then may be
a bit more slowly

Konrad