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virtio-gpu-3d: add support for second capability set (v4)

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Due to a kernel bug we can never increase the size of capability
set 1, so introduce a new capability set in parallel, old userspace
will continue to use the old set, new userspace will start using
the new one when it detects a fixed kernel.

v2: don't use a define from virglrenderer, just probe it.
v3: fix compilation when virglrenderer disabled
v4: fix style warning, just use ?: op instead.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Message-id: 20180223023814.24459-1-airlied@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Dave Airlie
2018-02-23 12:38:14 +10:00
committed by Gerd Hoffmann
parent 0a773d55ac
commit 5643cc94ac
4 changed files with 23 additions and 2 deletions
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7
hw/display/virtio-gpu.c
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@@ -1215,7 +1215,12 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
/* use larger control queue in 3d mode */
g->ctrl_vq = virtio_add_queue(vdev, 256, virtio_gpu_handle_ctrl_cb);
g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
g->virtio_config.num_capsets = 1;
#if defined(CONFIG_VIRGL)
g->virtio_config.num_capsets = virtio_gpu_virgl_get_num_capsets(g);
#else
g->virtio_config.num_capsets = 0;
#endif
} else {
g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb);
g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);