linux-kernel - Re: [PATCH] drm/i915/audio: Use BIOS provided value for RKL HDA link

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Date:   Mon, 27 Sep 2021 14:44:59 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     joonas.lahtinen@...ux.intel.com, rodrigo.vivi@...el.com,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Imre Deak <imre.deak@...el.com>,
        Uma Shankar <uma.shankar@...el.com>,
        Matt Roper <matthew.d.roper@...el.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/i915/audio: Use BIOS provided value for RKL HDA link

On Mon, 06 Sep 2021, Kai Vehmanen <kai.vehmanen@...ux.intel.com> wrote:
> Hi,
>
> On Mon, 6 Sep 2021, Kai-Heng Feng wrote:
>
>> Commit 989634fb49ad ("drm/i915/audio: set HDA link parameters in
>> driver") makes HDMI audio on Lenovo P350 disappear.
>> 
>> So in addition to TGL, extend the logic to RKL to use BIOS provided
>> value to fix the regression.
>
> thanks Kai-Heng! We were not aware of commercial RKL systems following the
> old BIOS guidance, but given you just hit one, then this definitely is
> needed:
>
> Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>          

This had fallen between the cracks, pushed now. Thanks for the patch and
review.

BR,
Jani.

>
> Br, Kai

-- 
Jani Nikula, Intel Open Source Graphics Center