linux-kernel - Re: [PATCH 1/5] dt-bindings: msm/dp: Change reg definition

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Date:   Thu, 22 Jul 2021 19:33:39 +0000
From:   Stephen Boyd <swboyd@...omium.org>
To:     Abhinav Kumar <abhinavk@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Rob Clark <robdclark@...il.com>,
        Rob Herring <robh+dt@...nel.org>, Sean Paul <sean@...rly.run>
Cc:     Kuogee Hsieh <khsieh@...eaurora.org>,
        Tanmay Shah <tanmay@...eaurora.org>,
        Chandan Uddaraju <chandanu@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: msm/dp: Change reg definition

Quoting Bjorn Andersson (2021-07-21 19:42:23)
> reg was defined as one region covering the entire DP block, but the
> memory map is actually split in 4 regions and obviously the size of
> these regions differs between platforms.
>
> Switch the reg to require that all four regions are specified instead.
> It is expected that the implementation will handle existing DTBs, even
> though the schema defines the new layout.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---

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