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ACRN:DM:VGPU: Return the parsed scanout_num to virtio_gpu in Guest_VM 

Return the parsed scanout_num to guest_vm so that the guest_vm can configure multi-display.

Tracked-On: #7988
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Peng Sun <peng.p.sun@linux.intel.com>
This commit is contained in:
Zhao Yakui 2022-08-15 10:46:00 +08:00 committed by acrnsi-robot
parent 0606247b02
commit 770ecb399b
1 changed files with 3 additions and 3 deletions
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6
devicemodel/hw/pci/virtio/virtio_gpu.c
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@ -1625,11 +1625,11 @@ virtio_gpu_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
BACKEND_VBSU);
gpu->scanout_num = 1;
gpu->vdpy_handle = vdpy_init(NULL);
gpu->vdpy_handle = vdpy_init(&gpu->scanout_num);
gpu->base.mtx = &gpu->mtx;
gpu->base.device_caps = VIRTIO_GPU_S_HOSTCAPS;
if (gpu->scanout_num < 0) {
if ((gpu->scanout_num < 0) || (gpu->scanout_num > 2)) {
pr_err("%s: return incorrect scanout num %d\n", gpu->scanout_num);
return -1;
}
@ -1691,7 +1691,7 @@ virtio_gpu_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
/* prepare the config space */
gpu->cfg.events_read = 0;
gpu->cfg.events_clear = 0;
gpu->cfg.num_scanouts = 1;
gpu->cfg.num_scanouts = gpu->scanout_num;
gpu->cfg.num_capsets = 0;
/* config the device id and vendor id according to spec */