linux-kernel - Re: [PATCH v5 03/36] drm/bridge: analogix_dp: Don't change psr while bridge is disabled

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Message-ID: <2007370.FhFqbYQVrQ@diego>
Date:   Wed, 14 Mar 2018 11:32:56 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     architt@...eaurora.org, inki.dae@...sung.com,
        thierry.reding@...il.com, hjc@...k-chips.com,
        seanpaul@...omium.org, airlied@...ux.ie, tfiga@...omium.org,
        dri-devel@...ts.freedesktop.org, dianders@...omium.org,
        a.hajda@...sung.com, ykk@...k-chips.com, kernel@...labora.com,
        m.szyprowski@...sung.com, linux-samsung-soc@...r.kernel.org,
        jy0922.shim@...sung.com, rydberg@...math.org, krzk@...nel.org,
        linux-rockchip@...ts.infradead.org, kgene@...nel.org,
        linux-input@...r.kernel.org, orjan.eide@....com,
        wxt@...k-chips.com, jeffy.chen@...k-chips.com,
        linux-arm-kernel@...ts.infradead.org, mark.yao@...k-chips.com,
        wzz@...k-chips.com, hl@...k-chips.com, jingoohan1@...il.com,
        sw0312.kim@...sung.com, linux-kernel@...r.kernel.org,
        kyungmin.park@...sung.com, Laurent.pinchart@...asonboard.com,
        kuankuan.y@...il.com, hshi@...omium.org,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>
Subject: Re: [PATCH v5 03/36] drm/bridge: analogix_dp: Don't change psr while bridge is disabled

Am Freitag, 9. März 2018, 23:22:54 CET schrieb Enric Balletbo i Serra:
> From: zain wang <wzz@...k-chips.com>
> 
> There is a race between AUX CH bring-up and enabling bridge which will
> cause link training to fail. To avoid hitting it, don't change psr state
> while enabling the bridge.
> 
> Cc: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> Cc: Sean Paul <seanpaul@...omium.org>
> Signed-off-by: zain wang <wzz@...k-chips.com>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> [seanpaul fixed up the commit message a bit and renamed *_supported to
> *_enabled] Signed-off-by: Sean Paul <seanpaul@...omium.org>
> Signed-off-by: Thierry Escande <thierry.escande@...labora.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>


applied to drm-misc-next

Thanks
Heiko