@@ -590,7 +590,7 @@ static void virtio_unref_resource(pixman_image_t *image, void *data)
static void virtio_gpu_set_scanout(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
- struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_simple_resource *res, *ores;
struct virtio_gpu_scanout *scanout;
pixman_format_code_t format;
uint32_t offset;
@@ -664,6 +664,11 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, scanout->ds);
}
+ ores = virtio_gpu_find_resource(g, scanout->resource_id);
+ if (ores) {
+ ores->scanout_bitmask &= ~(1 << ss.scanout_id);
+ }
+
res->scanout_bitmask |= (1 << ss.scanout_id);
scanout->resource_id = ss.resource_id;
scanout->x = ss.r.x;
When switching scanout from one resource to another we must update the scanout_bitmask field for both new (set bit) and old (clear bit) resource. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hw/display/virtio-gpu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)