linux-kernel - Re: [PATCH] drm/msm/dp: Remove INIT

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Message-Id: <167400670531.1683873.4513062713172900376.b4-ty@linaro.org>
Date:   Wed, 18 Jan 2023 04:06:21 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Johan Hovold <johan+linaro@...nel.org>,
        Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
Cc:     Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/dp: Remove INIT_SETUP delay


On Tue, 17 Jan 2023 09:29:51 -0800, Bjorn Andersson wrote:
> During initalization of the DisplayPort controller an EV_HPD_INIT_SETUP
> event is generated, but with a delay of 100 units. This delay existed to
> circumvent bug in the QMP combo PHY driver, where if the DP part was
> powered up before USB, the common properties would not be properly
> initialized - and USB wouldn't work.
> 
> This issue was resolved in the recent refactoring of the QMP driver,
> so it's now possible to remove this delay.
> 
> [...]

Applied, thanks!

[1/1] drm/msm/dp: Remove INIT_SETUP delay
      https://gitlab.freedesktop.org/lumag/msm/-/commit/e17af1c9d861

Best regards,
-- 
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>