linux-kernel - Re: [PATCH] drm/msm/gpu: Fix crash on devices without devfreq support (v2)

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Date:   Wed, 9 Mar 2022 00:03:30 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Linux Kernel Functional Testing <lkft@...aro.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/gpu: Fix crash on devices without devfreq support (v2)

On Tue, 8 Mar 2022 at 21:48, Rob Clark <robdclark@...il.com> wrote:
>
> From: Rob Clark <robdclark@...omium.org>
>
> Avoid going down devfreq paths on devices where devfreq is not
> initialized.
>
> v2: Change has_devfreq() logic [Dmitry]
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> Reported-by: Anders Roxell <anders.roxell@...aro.org>
> Signed-off-by: Rob Clark <robdclark@...omium.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>  drivers/gpu/drm/msm/msm_gpu_devfreq.c | 30 ++++++++++++++++++++++-----
>  1 file changed, 25 insertions(+), 5 deletions(-)
>



-- 
With best wishes
Dmitry