linux-kernel - Re: [PATCH RESEND] drm/bridge: Fixed a DP link training bug

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Message-Id: <170482066511.1300150.1577752604987496736.b4-ty@kernel.org>
Date: Tue, 09 Jan 2024 18:17:45 +0100
From: Robert Foss <rfoss@...nel.org>
To: linux-kernel@...r.kernel.org, xiazhengqiao <xiazhengqiao@...qin.corp-partner.google.com>,
 dri-devel@...ts.freedesktop.org
Cc: allen.chen@....corp-partner.google.com, dianders@...gle.com, neil.armstrong@...aro.org, sam@...nborg.org,
 hsinyi@...gle.com, jonas@...boo.se, jernej.skrabec@...il.com, andrzej.hajda@...el.com,
 Laurent.pinchart@...asonboard.com
Subject: Re: [PATCH RESEND] drm/bridge: Fixed a DP link training bug

On Thu, 21 Dec 2023 17:30:57 +0800, xiazhengqiao wrote:
> To have better compatibility for DP sink, there is a retry mechanism
> for the link training process to switch between different training process.
> The original driver code doesn't reset the retry counter when training
> state is pass. If the system triggers link training over 3 times,
> there will be a chance to causes the driver to use the wrong training
> method and return a training fail result.
> 
> [...]

Applied, thanks!

[1/1] drm/bridge: Fixed a DP link training bug
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=ca077ff8cac5



Rob