linux-kernel - Re: [PATCH v2] drm/bridge: Add 200ms delay to wait FW HPD status stable

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Message-Id: <169563891302.3680913.670156571122914627.b4-ty@kernel.org>
Date:   Mon, 25 Sep 2023 12:48:33 +0200
From:   Robert Foss <rfoss@...nel.org>
To:     David Airlie <airlied@...il.com>, Xin Ji <xji@...logixsemi.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonas Karlman <jonas@...boo.se>
Cc:     hsinyi@...omium.org, bliang@...logixsemi.com,
        qwen@...logixsemi.com, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/bridge: Add 200ms delay to wait FW HPD status stable

On Fri, 22 Sep 2023 17:34:49 +0800, Xin Ji wrote:
> For the no-interrupt design (sink device is panel, polling HPD
> status when chip power on), anx7625 FW has more than 200ms HPD
> de-bounce time in FW, for the safety to get HPD status, driver
> better to wait 200ms before HPD detection after OS resume back.
> 
> 

Applied, thanks!

[1/1] drm/bridge: Add 200ms delay to wait FW HPD status stable
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=330140d7319f



Rob