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References: <20230315035508.2874915-1-treapking@chromium.org>
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From:   Doug Anderson <dianders@chromium.org>
Date:   Thu, 23 Mar 2023 13:58:14 -0700
Message-ID: <CAD=FV=VxKO6y38nDUmppRseC7kP1cJCUEMkbUPMY1d8LzKe4ZA@mail.gmail.com>
Subject: Re: [PATCH v2 1/2] drm/bridge: ps8640: Skip redundant bridge enable
To:     Pin-yen Lin <treapking@chromium.org>
Cc:     Andrzej Hajda <andrzej.hajda@intel.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Robert Foss <rfoss@kernel.org>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>
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Hi,

On Tue, Mar 14, 2023 at 8:55=E2=80=AFPM Pin-yen Lin <treapking@chromium.org=
> wrote:
>
> Skip the drm_bridge_chain_pre_enable call when the bridge is already
> pre_enabled. This make pre_enable and post_disable (thus
> pm_runtime_get/put) symmetric.
>
> Fixes: 46f206304db0 ("drm/bridge: ps8640: Rework power state handling")
> Signed-off-by: Pin-yen Lin <treapking@chromium.org>
> Reviewed-by: Robert Foss <rfoss@kernel.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> ---
>
> (no changes since v1)
>
>  drivers/gpu/drm/bridge/parade-ps8640.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Even though this could go in drm-misc-fixes, doing so would cause a
conflict with patch #2 in this series which is not a fix. Since I
don't believe this is massively urgent, I've landed both in
drm-misc-next to avoid needing to involve more senior folks to do
fancy stuff:

845e730eaf36 drm/bridge: ps8640: Skip redundant bridge enable