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freedreno/drm/sp: Split submit prep and finish

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For deferred submits, we still need to do the prep steps immediately,
but the ioctl construction can be deferred.. prepare for that by
splitting the prep out.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10444>
This commit is contained in:
Rob Clark 2021-04-17 12:09:42 -07:00 • committed by Marge Bot
parent 62a6773d80
commit c7dc5cf3cb
1 changed files with 39 additions and 7 deletions
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46
src/freedreno/drm/msm_ringbuffer_sp.c
View file

@ -204,9 +204,37 @@ msm_submit_sp_new_ringbuffer(struct fd_submit *submit, uint32_t size,
return &msm_ring->base;
}
/**
* Prepare submit for flush, always done synchronously.
*
* 1) Finalize primary ringbuffer, at this point no more cmdstream may
* be written into it, since from the PoV of the upper level driver
* the submit is flushed, even if deferred
* 2) Add cmdstream bos to bos table
* 3) Update bo fences
*/
static void
msm_submit_sp_flush_prep(struct fd_submit *submit)
{
struct msm_submit_sp *msm_submit = to_msm_submit_sp(submit);
finalize_current_cmd(submit->primary);
struct msm_ringbuffer_sp *primary =
to_msm_ringbuffer_sp(submit->primary);
for (unsigned i = 0; i < primary->u.nr_cmds; i++)
msm_submit_append_bo(msm_submit, primary->u.cmds[i].ring_bo);
simple_mtx_lock(&table_lock);
for (unsigned i = 0; i < msm_submit->nr_bos; i++)
fd_bo_add_fence(msm_submit->bos[i], submit->pipe, submit->fence);
simple_mtx_unlock(&table_lock);
}
static int
msm_submit_sp_flush(struct fd_submit *submit, int in_fence_fd,
struct fd_submit_fence *out_fence)
msm_submit_sp_flush_finish(struct fd_submit *submit, int in_fence_fd,
struct fd_submit_fence *out_fence)
{
struct msm_submit_sp *msm_submit = to_msm_submit_sp(submit);
struct msm_pipe *msm_pipe = to_msm_pipe(submit->pipe);
@ -216,8 +244,6 @@ msm_submit_sp_flush(struct fd_submit *submit, int in_fence_fd,
};
int ret;
finalize_current_cmd(submit->primary);
struct msm_ringbuffer_sp *primary =
to_msm_ringbuffer_sp(submit->primary);
struct drm_msm_gem_submit_cmd cmds[primary->u.nr_cmds];
@ -257,14 +283,11 @@ msm_submit_sp_flush(struct fd_submit *submit, int in_fence_fd,
submit_bos = malloc(msm_submit->nr_bos * sizeof(submit_bos[0]));
}
simple_mtx_lock(&table_lock);
for (unsigned i = 0; i < msm_submit->nr_bos; i++) {
submit_bos[i].flags = msm_submit->bos[i]->flags;
submit_bos[i].handle = msm_submit->bos[i]->handle;
submit_bos[i].presumed = 0;
fd_bo_add_fence(msm_submit->bos[i], submit->pipe, submit->fence);
}
simple_mtx_unlock(&table_lock);
req.bos = VOID2U64(submit_bos), req.nr_bos = msm_submit->nr_bos;
req.cmds = VOID2U64(cmds), req.nr_cmds = primary->u.nr_cmds;
@ -288,6 +311,15 @@ msm_submit_sp_flush(struct fd_submit *submit, int in_fence_fd,
return ret;
}
static int
msm_submit_sp_flush(struct fd_submit *submit, int in_fence_fd,
struct fd_submit_fence *out_fence)
{
msm_submit_sp_flush_prep(submit);
return msm_submit_sp_flush_finish(submit, in_fence_fd, out_fence);
}
static void
msm_submit_sp_destroy(struct fd_submit *submit)
{