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| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2024-10-25 00:03:08 +0300 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2024-10-28 16:56:35 +0000 |
| commit | 640f9149c3dcafbfeb495a10f6105c6f71f24d1d (patch) | |
| tree | 693ec931295a45f486c387b91e2d49feb9b18188 /hw/display/virtio-gpu.c | |
| parent | df4c498e02e48c4dfc13e5d961b58f890a66c832 (diff) | |
| download | focaccia-qemu-640f9149c3dcafbfeb495a10f6105c6f71f24d1d.tar.gz focaccia-qemu-640f9149c3dcafbfeb495a10f6105c6f71f24d1d.zip | |
virtio-gpu: Support suspension of commands processing
Check whether command processing has been finished; otherwise, stop processing commands and retry the command again next time. This allows us to support asynchronous execution of non-fenced commands needed for unmapping host blobs safely. Suggested-by: Akihiko Odaki <akihiko.odaki@daynix.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Message-Id: <20241024210311.118220-11-dmitry.osipenko@collabora.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'hw/display/virtio-gpu.c')
| -rw-r--r-- | hw/display/virtio-gpu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 3d9679c1ef..180d882f0a 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -1034,6 +1034,12 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g) /* process command */ vgc->process_cmd(g, cmd); + /* command suspended */ + if (!cmd->finished && !(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) { + trace_virtio_gpu_cmd_suspended(cmd->cmd_hdr.type); + break; + } + QTAILQ_REMOVE(&g->cmdq, cmd, next); if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { g->stats.requests++; |