linux-kernel - Re: [PATCH v9 00/11] vgaarb: Rework default VGA device selection

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Date:   Thu, 10 Mar 2022 11:56:42 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        linux-pci <linux-pci@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Huacai Chen <chenhuacai@...ngson.cn>
Subject: Re: [PATCH v9 00/11] vgaarb: Rework default VGA device selection

I have no objection :)

Huacai

On Thu, Mar 10, 2022 at 12:29 AM Bjorn Helgaas <helgaas@...nel.org> wrote:
>
> On Fri, Feb 25, 2022 at 04:15:23PM -0600, Bjorn Helgaas wrote:
> > On Thu, Feb 24, 2022 at 04:47:42PM -0600, Bjorn Helgaas wrote:
> > > From: Bjorn Helgaas <bhelgaas@...gle.com>
> > >
> > > Current default VGA device selection fails in some cases because part of it
> > > is done in the vga_arb_device_init() subsys_initcall, and some arches
> > > enumerate PCI devices in pcibios_init(), which runs *after* that.
> > >
> > > The big change from the v8 posting is that this moves vgaarb.c from
> > > drivers/gpu/vga to drivers/pci because it really has nothing to do with
> > > GPUs or DRM.
> >
> > I provisionally applied this to pci/vga and put it into -next just
> > to get a little runtime on it.
> >
> > But I'd prefer not to unilaterally yank this out of drivers/gpu
> > without a consensus from the GPU folks that this is the right thing to
> > do.
> >
> > Any thoughts?  If it seems OK to you, I think patch 1/11 (the move
> > itself) is all you would need to look at, although of course I would
> > still be grateful for any review and feedback on the rest.
> >
> > After it's in drivers/pci, all the blame for any issues would come my
> > way.
>
> Ping?  This has been in -next since the Feb 28 tree, and I plan to
> ask Linus to include it during the v5.18 merge window (which will
> probably open Mar 13) unless somebody objects.
>
> Bjorn