linux-kernel - Re: [Nouveau] [RFC, drm-misc-next v4 0/9] PCI/VGA: Allowing the user to select the primary video adapter at boot time

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Message-ID: <87edjagvy6.fsf@intel.com>
Date:   Thu, 07 Sep 2023 12:43:29 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     suijingfeng <suijingfeng@...ngson.cn>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Sui Jingfeng <sui.jingfeng@...ux.dev>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>
Cc:     nouveau@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-pci@...r.kernel.org
Subject: Re: [Nouveau] [RFC, drm-misc-next v4 0/9] PCI/VGA: Allowing the
 user to select the primary video adapter at boot time

On Wed, 06 Sep 2023, suijingfeng <suijingfeng@...ngson.cn> wrote:
> Another limitation of the 'nomodeset' parameter is that
> it is only available on recent upstream kernel. Low version
> downstream kernel don't has this parameter supported yet.
> So this create inconstant developing experience. I believe that
> there always some people need do back-port and upstream work
> for various reasons.

While that may be true, it's not an argument in favour of adding new
module parameters or special values to existing module parameters. They
would have to be backported just as well.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center