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Date:   Mon, 31 Jan 2022 19:52:00 -0800
From:   Bjorn Andersson <bjorn.andersson@linaro.org>
To:     Kuogee Hsieh <quic_khsieh@quicinc.com>
Cc:     robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org,
        vkoul@kernel.org, daniel@ffwll.ch, airlied@linux.ie,
        agross@kernel.org, dmitry.baryshkov@linaro.org,
        quic_abhinavk@quicinc.com, aravindh@codeaurora.org,
        freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/msm/dp: add wide bus support
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References: <1643390945-10813-1-git-send-email-quic_khsieh@quicinc.com>
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On Fri 28 Jan 09:29 PST 2022, Kuogee Hsieh wrote:

> Normally, mdp will push one pixel of data per pixel clock to
> interface to display. Wide bus feature will increase bus
> width from 32 bits to 64 bits so that it can push two
> pixel of data per pixel clock to interface to display.
> This feature is pre requirement to support 4k resolution.
> 

Can you please elaborate further how this is a requirement for 4k
resolution, given that I write you this question on a 4k monitor.

Regards,
Bjorn