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freedreno/drm/virtio: Trigger host side wait boost

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Let the host know that we'll be waiting for a fence via an asynchronous
WAIT_FENCE command.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23955>
This commit is contained in:
Rob Clark
2023-06-30 11:53:16 -07:00
committed by Marge Bot
parent a85b84ba1e
commit e81a47cfa2
1 changed files with 13 additions and 7 deletions
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src/freedreno/drm/virtio/virtio_pipe.c
+13 -7
View File
@@ -122,13 +122,6 @@ virtio_pipe_wait(struct fd_pipe *pipe, const struct fd_fence *fence, uint64_t ti
{
MESA_TRACE_FUNC();
assert(fence->use_fence_fd);
if (fence->use_fence_fd)
return sync_wait(fence->fence_fd, timeout / 1000000);
/* TODO remove !use_fence_fd path */
struct msm_ccmd_wait_fence_req req = {
.hdr = MSM_CCMD(WAIT_FENCE, sizeof(req)),
.queue_id = to_virtio_pipe(pipe)->queue_id,
@@ -138,6 +131,19 @@ virtio_pipe_wait(struct fd_pipe *pipe, const struct fd_fence *fence, uint64_t ti
int64_t end_time = os_time_get_nano() + timeout;
int ret;
/* Do a non-blocking wait to trigger host-side wait-boost,
* if the host kernel is new enough
*/
rsp = virtio_alloc_rsp(pipe->dev, &req.hdr, sizeof(*rsp));
ret = virtio_execbuf(pipe->dev, &req.hdr, false);
if (ret)
goto out;
virtio_execbuf_flush(pipe->dev);
if (fence->use_fence_fd)
return sync_wait(fence->fence_fd, timeout / 1000000);
do {
rsp = virtio_alloc_rsp(pipe->dev, &req.hdr, sizeof(*rsp));