linux-kernel - Re: [PATCH 5.10 078/120] drm/dp/mst: Export drm_dp_get_vc_payload

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Message-ID: <20210210124024.GA65741@ideak-desk.fi.intel.com>
Date:   Wed, 10 Feb 2021 14:40:24 +0200
From:   Imre Deak <imre.deak@...el.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Lyude Paul <lyude@...hat.com>,
        Ville Syrjala <ville.syrjala@...el.com>,
        dri-devel@...ts.freedesktop.org,
        Jani Nikula <jani.nikula@...el.com>
Subject: Re: [PATCH 5.10 078/120] drm/dp/mst: Export
 drm_dp_get_vc_payload_bw()

Hi,

On Wed, Feb 10, 2021 at 01:25:17PM +0100, Pavel Machek wrote:
> Hi!
> 
> > commit 83404d581471775f37f85e5261ec0d09407d8bed upstream.
> > 
> > This function will be needed by the next patch where the driver
> > calculates the BW based on driver specific parameters, so export it.
> > 
> > At the same time sanitize the function params, passing the more natural
> > link rate instead of the encoding of the same rate.
> 
> > Cc: <stable@...r.kernel.org>
> 
> This adds exports, but there's no user of the export, neither in
> 5.10-stable nor in linux-next. What is the plan here?

the export is used by the upstream 
commit 882554042d138dbc6fb1a43017d0b9c3b38ee5f5
Author: Imre Deak <imre.deak@...el.com>
Date:   Mon Jan 25 19:36:36 2021 +0200

    drm/i915: Fix the MST PBN divider calculation

which I can also see now applied to 5.10.15:

commit 0fe98e455784a6c11e0dd48612acd343f4a46fce
Author:     Imre Deak <imre.deak@...el.com>
AuthorDate: Mon Jan 25 19:36:36 2021 +0200
Commit:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CommitDate: Wed Feb 10 09:29:18 2021 +0100

    drm/i915: Fix the MST PBN divider calculation

    commit 882554042d138dbc6fb1a43017d0b9c3b38ee5f5 upstream.

--Imre