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drm/virtio: defer backend notify for sprite update #70

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drm/virtio: defer backend notify for sprite update #70

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12 changes: 11 additions & 1 deletion drivers/gpu/drm/virtio/virtgpu_plane.c
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Original file line number Diff line number Diff line change
Expand Up @@ -357,6 +357,11 @@ static void virtio_gpu_resource_flush(struct drm_plane *plane,

vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
if (vgdev->has_multi_plane) {
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, x, y,
width, height, NULL, NULL);
return;
}
fence = virtio_gpu_fence_alloc(vgdev, vgdev->fence_drv.context, 0);

if (fence) {
Expand Down Expand Up @@ -394,9 +399,14 @@ static void virtio_gpu_resource_flush_sprite(struct drm_plane *plane, int indx,
int i, cnt=0;
int plane_index = 0;

if (vgdev->has_multi_plane) {
plane_index = plane->index - vgdev->outputs[indx].plane_idx_offset;
virtio_gpu_cmd_resource_flush_sprite(vgdev, indx, plane_index, fb,
resource_id, cnt, x, y, width, height, NULL, NULL);
return;
}
vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
fence = virtio_gpu_fence_alloc(vgdev, vgdev->fence_drv.context, 0);

if (fence) {
objs = virtio_gpu_array_alloc(1);
if (!objs) {
Expand Down
1 change: 1 addition & 0 deletions drivers/gpu/drm/virtio/virtgpu_vq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -466,6 +466,7 @@ static int virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev,
if (vq->num_free < elemcnt) {
spin_unlock(&vgdev->ctrlq.qlock);
virtio_gpu_notify(vgdev);
DRM_WARN("vq free slot is not enough\n");
wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= elemcnt);
goto again;
}
Expand Down