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virtio-gpu: Add gl_flushed callback

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Adding this callback provides a way to resume the processing of
cmds in fenceq and cmdq that were not processed because the UI
was waiting on a fence and blocked cmd processing.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-6-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-09-14 14:18:37 -07:00 committed by Gerd Hoffmann
parent ab971f8abb
commit b3a5dfdea9
1 changed files with 30 additions and 2 deletions
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32
hw/display/virtio-gpu.c
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@ -985,8 +985,10 @@ void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
break;
}
if (!cmd->finished) {
virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error :
VIRTIO_GPU_RESP_OK_NODATA);
if (!g->parent_obj.renderer_blocked) {
virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error :
VIRTIO_GPU_RESP_OK_NODATA);
}
}
}
@ -1042,6 +1044,30 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g)
g->processing_cmdq = false;
}
static void virtio_gpu_process_fenceq(VirtIOGPU *g)
{
struct virtio_gpu_ctrl_command *cmd, *tmp;
QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) {
trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id);
virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA);
QTAILQ_REMOVE(&g->fenceq, cmd, next);
g_free(cmd);
g->inflight--;
if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
fprintf(stderr, "inflight: %3d (-)\r", g->inflight);
}
}
}
static void virtio_gpu_handle_gl_flushed(VirtIOGPUBase *b)
{
VirtIOGPU *g = container_of(b, VirtIOGPU, parent_obj);
virtio_gpu_process_fenceq(g);
virtio_gpu_process_cmdq(g);
}
static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
@ -1400,10 +1426,12 @@ static void virtio_gpu_class_init(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass);
VirtIOGPUBaseClass *vgbc = &vgc->parent;
vgc->handle_ctrl = virtio_gpu_handle_ctrl;
vgc->process_cmd = virtio_gpu_simple_process_cmd;
vgc->update_cursor_data = virtio_gpu_update_cursor_data;
vgbc->gl_flushed = virtio_gpu_handle_gl_flushed;
vdc->realize = virtio_gpu_device_realize;
vdc->reset = virtio_gpu_reset;