linux-kernel - Re: [PATCH] media: venus: firmware: Use correct reset sequence for IRIS2

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Message-ID: <ddc557rrzuz54r5hlnblsopl2t4ca3wle3eaanbwa5yavgwtcp@mamxnhma5tw6>
Date: Wed, 20 Aug 2025 20:20:53 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Hans Verkuil <hverkuil@...nel.org>, linux-media@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: venus: firmware: Use correct reset sequence for
 IRIS2

On Wed, Aug 20, 2025 at 05:16:39PM +0200, Stephan Gerhold wrote:
> When starting venus with the "no_tz" code path, IRIS2 needs the same
> boot/reset sequence as IRIS2_1. This is because most of the registers were
> moved to the "wrapper_tz_base", which is already defined for both IRIS2 and
> IRIS2_1 inside core.c. Add IRIS2 to the checks inside firmware.c as well to
> make sure that it uses the correct reset sequence.
> 
> Both IRIS and IRIS2_1 are HFI v6 variants, so the correct sequence was used
> before commit c38610f8981e ("media: venus: firmware: Sanitize
> per-VPU-version").
> 
> Fixes: c38610f8981e ("media: venus: firmware: Sanitize per-VPU-version")
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
>  drivers/media/platform/qcom/venus/firmware.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry