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virtio-gpu: add support to enable/disable command processing

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So we can stop rendering for a while in case we have to.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-12-01 13:18:38 +01:00
parent 3eb769fd1c
commit 0c55a1cfd3
3 changed files with 8 additions and 2 deletions
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5
hw/display/virtio-gpu.c
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@ -755,7 +755,7 @@ static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq)
qemu_bh_schedule(g->cursor_bh);
}
static void virtio_gpu_process_cmdq(VirtIOGPU *g)
void virtio_gpu_process_cmdq(VirtIOGPU *g)
{
struct virtio_gpu_ctrl_command *cmd;
@ -765,6 +765,9 @@ static void virtio_gpu_process_cmdq(VirtIOGPU *g)
/* process command */
VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd,
g, cmd);
if (cmd->waiting) {
break;
}
QTAILQ_REMOVE(&g->cmdq, cmd, next);
if (virtio_gpu_stats_enabled(g->conf)) {
g->stats.requests++;