From: Rob Clark <robdclark@xxxxxxxxxxxx>
It would have been cleaner to have a flag to *request* the fence event.
But that ship has sailed. So add a flag so that userspace which doesn't
care about the events can opt-out.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 8 +++++---
include/uapi/drm/virtgpu_drm.h | 2 ++
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 3a8078f2ee27..09f1aa263f91 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -225,9 +225,11 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
goto out_unresv;
}
- ret = virtio_gpu_fence_event_create(dev, file, out_fence, ring_idx);
- if (ret)
- goto out_unresv;
+ if (!(exbuf->flags & VIRTGPU_EXECBUF_NO_EVENT)) {
+ ret = virtio_gpu_fence_event_create(dev, file, out_fence, ring_idx);
+ if (ret)
+ goto out_unresv;
+ }
if (out_fence_fd >= 0) {
sync_file = sync_file_create(&out_fence->f);
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index 0512fde5e697..d06cac3407cc 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -52,10 +52,12 @@ extern "C" {
#define VIRTGPU_EXECBUF_FENCE_FD_IN 0x01
#define VIRTGPU_EXECBUF_FENCE_FD_OUT 0x02
#define VIRTGPU_EXECBUF_RING_IDX 0x04
+#define VIRTGPU_EXECBUF_NO_EVENT 0x08
#define VIRTGPU_EXECBUF_FLAGS (\
VIRTGPU_EXECBUF_FENCE_FD_IN |\
VIRTGPU_EXECBUF_FENCE_FD_OUT |\
VIRTGPU_EXECBUF_RING_IDX |\
+ VIRTGPU_EXECBUF_NO_EVENT |\
0)
struct drm_virtgpu_map {
--
2.35.1
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