diff options
| author |   Ofir Bitton <obitton@habana.ai> | 2021-09-12 15:49:00 +0300 |
|---|---|---|
| committer |   Oded Gabbay <ogabbay@kernel.org> | 2021-09-14 15:00:04 +0300 |
| commit | c8fee41957f036cbc8e840bd91e2087731df7f7e (patch) | |
| tree | c4db36920e0a129373d2f45bec19aec1c61d6eea /drivers/misc | |
| parent | habanalabs: fix wait offset handling (diff) | |
| download | linux-dev-c8fee41957f036cbc8e840bd91e2087731df7f7e.tar.xz linux-dev-c8fee41957f036cbc8e840bd91e2087731df7f7e.zip | |
habanalabs: expose a single cs seq in staged submissions
Staged submission consists of multiple command submissions.
In order to be explicit, driver should return a single cs sequence
for every cs in the submission, or else user may try to wait on
an internal CS rather than waiting for the whole submission.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/common/command_submission.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index a4ed91ed991d..91b57544f7c6 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -1295,6 +1295,12 @@ static int cs_ioctl_default(struct hl_fpriv *hpriv, void __user *chunks, if (rc) goto free_cs_object; + /* If this is a staged submission we must return the staged sequence + * rather than the internal CS sequence + */ + if (cs->staged_cs) + *cs_seq = cs->staged_sequence; + /* Validate ALL the CS chunks before submitting the CS */ for (i = 0 ; i < num_chunks ; i++) { struct hl_cs_chunk *chunk = &cs_chunk_array[i]; |