RE: [RFC PATCH v2 1/1] drm/virtio: new fence for every plane update

2023-11-13 Thread Kim, Dongwon
Hi Dmitry, > -Original Message- > From: Dmitry Osipenko > Sent: Monday, November 13, 2023 8:16 AM > To: Kim, Dongwon ; dri- > de...@lists.freedesktop.org > Cc: kra...@redhat.com; Kasireddy, Vivek > Subject: Re: [RFC PATCH v2 1/1] drm/virtio: new fence for every pl

Re: [RFC PATCH v2 1/1] drm/virtio: new fence for every plane update

2023-11-13 Thread Dmitry Osipenko
On 10/23/23 20:31, Kim, Dongwon wrote: ... >> Please write a guide how to test it. Are you using spice for the >> multi-display >> viewer? > > [DW] Yeah, let me come up with a simple test case. So we use virtio-gpu as > KMS device. It is used to share the guest frame with QEMU. > SPICE is one

RE: [RFC PATCH v2 1/1] drm/virtio: new fence for every plane update

2023-10-23 Thread Kim, Dongwon
> -Original Message- > From: Dmitry Osipenko > Sent: Monday, October 23, 2023 5:24 AM > To: Kim, Dongwon ; dri-devel@lists.freedesktop.org > Cc: kra...@redhat.com; Kasireddy, Vivek > Subject: Re: [RFC PATCH v2 1/1] drm/virtio: new fence for every plane update >

Re: [RFC PATCH v2 1/1] drm/virtio: new fence for every plane update

2023-10-23 Thread Dmitry Osipenko
On 10/3/23 04:00, Dongwon Kim wrote: > Having a fence linked to a virtio_gpu_framebuffer in the plane update sequence > would cause conflict when several planes referencing the same framebuffer > (e.g. Xorg screen covering multi-displays configured for an extended mode) > and those planes are

[RFC PATCH v2 1/1] drm/virtio: new fence for every plane update

2023-10-02 Thread Dongwon Kim
Having a fence linked to a virtio_gpu_framebuffer in the plane update sequence would cause conflict when several planes referencing the same framebuffer (e.g. Xorg screen covering multi-displays configured for an extended mode) and those planes are updated concurrently. So it is needed to allocate