linux-kernel - Re: [PATCH v4 01/38] drm/bridge: analogix_dp: set psr activate/deactivate when enable/disable bridge

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Message-ID: <1656609.JibIPNoNVJ@phil>
Date:   Thu, 08 Mar 2018 23:44:15 +0100
From:   Heiko Stuebner <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,
        hshi@...omium.org, wzz@...k-chips.com, hl@...k-chips.com,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        dianders@...omium.org, linux-rockchip@...ts.infradead.org,
        orjan.eide@....com, m.szyprowski@...sung.com,
        Stéphane Marchesin <marcheu@...omium.org>
Subject: Re: [PATCH v4 01/38] drm/bridge: analogix_dp: set psr activate/deactivate when enable/disable bridge

Am Montag, 5. März 2018, 23:22:53 CET schrieb Enric Balletbo i Serra:
> From: zain wang <wzz@...k-chips.com>
> 
> There's a race between when bridge_disable and when vop_crtc_disable
> are called. If the flush timer triggers a new psr work between these,
> we will operate eDP without power shutdowned by bridge_disable. In this
> case, moving activate/deactivate to enable/disable bridge to avoid it.
> 
> Cc: Stéphane Marchesin <marcheu@...omium.org>
> Signed-off-by: zain wang <wzz@...k-chips.com>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> 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>

adapted the subject to drm/rockchip, as it only touches the rockchip
glue driver for the analogix_dp and applied to drm-misc-next after
checking on both pinky (rk3288) and kevin (rk3399).


Heiko