linux-kernel - Re: [PATCH v2] drm/bridge: lt9611: Fix handling of 4k panels

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Date:   Fri, 17 Sep 2021 12:47:05 -0700
From:   Peter Collingbourne <pcc@...gle.com>
To:     Robert Foss <robert.foss@...aro.org>
Cc:     a.hajda@...sung.com, Neil Armstrong <narmstrong@...libre.com>,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...l.net, airlied@...ux.ie,
        Daniel Vetter <daniel@...ll.ch>,
        ML dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        John Stultz <john.stultz@...aro.org>,
        Anibal Limon <anibal.limon@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        "# 3.4.x" <stable@...r.kernel.org>
Subject: Re: [PATCH v2] drm/bridge: lt9611: Fix handling of 4k panels

On Thu, Dec 17, 2020 at 6:09 AM Robert Foss <robert.foss@...aro.org> wrote:
>
> 4k requires two dsi pipes, so don't report MODE_OK when only a
> single pipe is configured. But rather report MODE_PANEL to
> signal that requirements of the panel are not being met.
>
> Reported-by: Peter Collingbourne <pcc@...gle.com>
> Suggested-by: Peter Collingbourne <pcc@...gle.com>
> Signed-off-by: Robert Foss <robert.foss@...aro.org>
> Tested-by: John Stultz <john.stultz@...aro.org>
> Tested-by: Anibal Limon <anibal.limon@...aro.org>
> Acked-By: Vinod Koul <vkoul@...nel.org>
> Tested-by: Peter Collingbourne <pcc@...gle.com>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

This landed in commit d1a97648ae028a44536927c87837c45ada7141c9. Since
this is a bug fix I'd like to request it to be applied to the 5.10
stable kernel.

Peter