linux-kernel - Re: [PATCH v5 4/5] drm/msm/a6xx: Remove cx gdsc polling using 'reset'

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Message-ID: <20230102152141.GA30338@pengutronix.de>
Date:   Mon, 2 Jan 2023 16:21:41 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Akhil P Oommen <quic_akhilpo@...cinc.com>
Cc:     freedreno <freedreno@...ts.freedesktop.org>,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Sean Paul <sean@...rly.run>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 4/5] drm/msm/a6xx: Remove cx gdsc polling using 'reset'

On Mon, Jan 02, 2023 at 04:18:30PM +0530, Akhil P Oommen wrote:
> Remove the unused 'reset' interface which was supposed to help to ensure
> that cx gdsc has collapsed during gpu recovery. This is was not enabled
> so far due to missing gpucc driver support. Similar functionality using
> genpd framework will be implemented in the upcoming patch.
> 
> This effectively reverts commit 1f6cca404918
> ("drm/msm/a6xx: Ensure CX collapse during gpu recovery").
> 
> Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp