From c806cfa036a7ec991170eb9899f3a676bfcc3253 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Mon, 2 Jul 2018 18:24:42 +0200 Subject: [PATCH] virtio-gpu: update old resource too. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Marc-André Lureau Message-id: 20180702162443.16796-3-kraxel@redhat.com --- hw/display/virtio-gpu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 054ec73c0a..336dc59007 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -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;