From: Emil Velikov <emil.l.velikov@gmail.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Robert Foss <robert.foss@collabora.com>,
David Airlie <airlied@linux.ie>,
"Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>,
ML dri-devel <dri-devel@lists.freedesktop.org>,
"open list:VIRTIO GPU DRIVER"
<virtualization@lists.linux-foundation.org>,
Gustavo Padovan <gustavo.padovan@collabora.com>,
Emil Velikov <emil.velikov@collabora.com>
Subject: Re: [PATCH 2/5] drm/virtio: add uapi for in and out explicit fences
Date: Tue, 30 Oct 2018 11:31:04 +0000 [thread overview]
Message-ID: <CACvgo50MK1jU0jKMCfZJQSaSmpQ8mmYj1=4GP2NQvM_DHOaW-Q@mail.gmail.com> (raw)
In-Reply-To: <20181030061127.hp4n2scw5f3j2rqq@sirius.home.kraxel.org>
HI Gerd,
On Tue, 30 Oct 2018 at 06:11, Gerd Hoffmann <kraxel@redhat.com> wrote:
>
> Hi,
>
> > The execbuffer IOCTL is now read-write to allow the userspace to read the
> > out-fence.
>
> > #define DRM_IOCTL_VIRTGPU_EXECBUFFER \
> > - DRM_IOW(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
> > + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
> > struct drm_virtgpu_execbuffer)
>
> That changes the ioctl number and breaks the userspace api.
>
Have you looked at the drm_ioctl() implementation? AFAICT it
explicitly caters for this kind of changes.
-Emil
next prev parent reply other threads:[~2018-10-30 11:32 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-25 18:37 [PATCH 0/5] virgl: fence fd support Robert Foss
2018-10-25 18:37 ` [PATCH 1/5] drm/virtio: add virtio_gpu_alloc_fence() Robert Foss
2018-10-31 9:38 ` Emil Velikov
2018-11-01 12:43 ` Robert Foss
2018-11-05 6:38 ` Gerd Hoffmann
2018-10-25 18:37 ` [PATCH 2/5] drm/virtio: add uapi for in and out explicit fences Robert Foss
2018-10-30 6:11 ` Gerd Hoffmann
2018-10-30 11:31 ` Emil Velikov [this message]
2018-10-30 13:52 ` Gerd Hoffmann
2018-10-30 15:48 ` Emil Velikov
2018-10-31 9:38 ` Emil Velikov
2018-11-01 12:56 ` Robert Foss
2018-11-02 13:34 ` Emil Velikov
2018-11-02 14:42 ` Robert Foss
2018-10-25 18:37 ` [PATCH 3/5] drm/virtio: add in-fences support for explicit synchronization Robert Foss
2018-10-31 9:38 ` Emil Velikov
2018-10-25 18:37 ` [PATCH 4/5] drm/virtio: add out-fences " Robert Foss
2018-10-31 9:39 ` Emil Velikov
2018-10-25 18:37 ` [PATCH 5/5] drm/virtio: bump driver version after explicit synchronization addition Robert Foss
2018-10-31 9:39 ` Emil Velikov
2018-10-31 9:45 ` [PATCH 0/5] virgl: fence fd support Emil Velikov
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