linux-kernel - Re: [PATCH v7] drm/virtio: Add drm

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Message-ID: <CAHpthZqYGwXCqZYSXgrbZ8AT58kXS+qm8LRE=SWkrQvgx9CUHw@mail.gmail.com>
Date: Wed, 12 Feb 2025 23:29:00 +0900
From: Ryosuke Yasuoka <ryasuoka@...hat.com>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>, Jocelyn Falempe <jfalempe@...hat.com>
Cc: airlied@...hat.com, kraxel@...hat.com, gurchetansingh@...omium.org, 
	olvaffe@...il.com, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, 
	tzimmermann@...e.de, daniel@...ll.ch, virtualization@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v7] drm/virtio: Add drm_panic support

On Mon, Feb 10, 2025 at 8:14 PM Jocelyn Falempe <jfalempe@...hat.com> wrote:
>
> On 09/02/2025 18:45, Dmitry Osipenko wrote:
> > On 2/6/25 13:42, Ryosuke Yasuoka wrote:
> >> Virtio gpu supports the drm_panic module, which displays a message to
> >> the screen when a kernel panic occurs. It is supported where it has
> >> vmapped shmem BO.
> >>
> >> Signed-off-by: Jocelyn Falempe <jfalempe@...hat.com>
> >> Signed-off-by: Ryosuke Yasuoka <ryasuoka@...hat.com>
> >> ---
> >
> > Applied to misc-next, thanks!
> >
> > I've tested v7 with a different capsets, works well. For a non-VT FB the
> > vmap indeed will be needed. Looking forward to the atomic vmap support.
> > The rough idea of the atomic vmap helper is to make vmap code paths fail
> > whenever hitting path that needs to sleep. Likely will be easy to implement.
> >
>
> Thanks for your support.
>
> I will see if we can do something for atomic vmap support for shmem.
>
> Best regards,
>
> --
>
> Jocelyn
>

Thank you for your kind support.
I'll try to write the atomic vmap support patch soon.

Best regards,
Ryosuke