linux-kernel - Re: [PATCH v8 1/4] drm/msm/dpu: adjust display_v

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Message-ID: <CAE-0n529EvPSqGt+XgZipOcSNpyHc6FunuQk_W841hYxWdH2og@mail.gmail.com>
Date:   Fri, 18 Feb 2022 18:48:05 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>, agross@...nel.org,
        airlied@...ux.ie, bjorn.andersson@...aro.org, daniel@...ll.ch,
        dmitry.baryshkov@...aro.org, dri-devel@...ts.freedesktop.org,
        robdclark@...il.com, sean@...rly.run, vkoul@...nel.org
Cc:     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
Subject: Re: [PATCH v8 1/4] drm/msm/dpu: adjust display_v_end for eDP and DP

Quoting Kuogee Hsieh (2022-02-17 13:36:25)
> The “DP timing” requires the active region to be defined in the
> bottom-right corner of the frame dimensions which is different
> with DSI. Therefore both display_h_end and display_v_end need
> to be adjusted accordingly. However current implementation has
> only display_h_end adjusted.
>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---

Is this not a problem for me because this is set already to something
correct in the hardware?

Reviewed-by: Stephen Boyd <swboyd@...omium.org>