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From:   Heiko =?ISO-8859-1?Q?St=FCbner?= <heiko@sntech.de>
To:     Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc:     architt@codeaurora.org, inki.dae@samsung.com,
        thierry.reding@gmail.com, hjc@rock-chips.com,
        seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org,
        dri-devel@lists.freedesktop.org, dianders@chromium.org,
        a.hajda@samsung.com, ykk@rock-chips.com, kernel@collabora.com,
        m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org,
        jy0922.shim@samsung.com, rydberg@bitmath.org, krzk@kernel.org,
        linux-rockchip@lists.infradead.org, kgene@kernel.org,
        linux-input@vger.kernel.org, orjan.eide@arm.com,
        wxt@rock-chips.com, jeffy.chen@rock-chips.com,
        linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com,
        wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com,
        sw0312.kim@samsung.com, linux-kernel@vger.kernel.org,
        kyungmin.park@samsung.com, Laurent.pinchart@ideasonboard.com,
        kuankuan.y@gmail.com, hshi@chromium.org,
        =?ISO-8859-1?Q?St=E9phane?= Marchesin <marcheu@chromium.org>,
        Sonny Rao <sonnyrao@chromium.org>
Subject: Re: [PATCH v5 06/36] drm/rockchip: Only wait for panel ACK on PSR entry
Date:   Wed, 14 Mar 2018 13:51:20 +0100
Message-ID: <217296292.AN06WKDqZv@diego>
In-Reply-To: <20180309222327.18689-7-enric.balletbo@collabora.com>
References: <20180309222327.18689-1-enric.balletbo@collabora.com> <20180309222327.18689-7-enric.balletbo@collabora.com>
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Am Freitag, 9. M?rz 2018, 23:22:57 CET schrieb Enric Balletbo i Serra:
> From: zain wang <wzz@rock-chips.com>
> 
> We currently wait for the panel to mirror our intended PSR state
> before continuing on both PSR enter and PSR exit. This is really
> only important to do when we're entering PSR, since we want to
> be sure the last frame we pushed is being served from the panel's
> internal fb before shutting down the soc blocks (vop/analogix).
> 
> This patch changes the behavior such that we only wait for the
> panel to complete the PSR transition when we're entering PSR, and
> to skip verification when we're exiting.
> 
> Cc: St?phane Marchesin <marcheu@chromium.org>
> Cc: Sonny Rao <sonnyrao@chromium.org>
> Signed-off-by: zain wang <wzz@rock-chips.com>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

applied to drm-misc-next with the subject fixed.


Thanks
Heiko