linux-kernel - Re: [PATCH v16 0/3] eDP/DP Phy vdda realted function

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Message-ID: <YtlCqPWUCmw01Jon@hovoldconsulting.com>
Date:   Thu, 21 Jul 2022 14:12:24 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Douglas Anderson <dianders@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, dri-devel@...ts.freedesktop.org,
        robdclark@...il.com, sean@...rly.run, swboyd@...omium.org,
        daniel@...ll.ch, airlied@...ux.ie, agross@...nel.org,
        dmitry.baryshkov@...aro.org, quic_abhinavk@...cinc.com,
        quic_aravindh@...cinc.com, quic_sbillaka@...cinc.com,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v16 0/3] eDP/DP Phy vdda realted function

On Thu, Jul 21, 2022 at 12:56:37PM +0100, Mark Brown wrote:
> On Thu, Jul 21, 2022 at 12:20:31PM +0100, Mark Brown wrote:
> 
> > You could add a way to specify constant base loads in DT on either a per
> > regulator or per consumer basis.
> 
> ...and also note that this is only an issue if the system gives
> permission to change the mode in the constraints which is pretty rare.

Yeah, apparently only Qualcomm is using regulator-allow-set-load at the
moment, but it seems pretty common there.

We should probably just drop that from the platforms affected by this
particular regression and perhaps later add it back where it makes
sense (e.g. after making sure all consumers specify a load in some way).

Johan

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