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

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Message-ID: <3c0e06d4-b5b7-45cf-bc42-8f12b293b7da@redhat.com>
Date: Mon, 10 Feb 2025 12:14:33 +0100
From: Jocelyn Falempe <jfalempe@...hat.com>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>,
 Ryosuke Yasuoka <ryasuoka@...hat.com>, 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
Cc: 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 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