diff options
| -rw-r--r-- | drivers/misc/habanalabs/common/command_submission.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index 8e4dc1441fff..a3358cc3c877 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -2382,7 +2382,15 @@ static int hl_cs_poll_fences(struct multi_cs_data *mcs_data) break; } - mcs_data->stream_master_qid_map |= fence->stream_master_qid_map; + /* + * It is possible to get an old sequence numbers from user + * which related to already completed CSs and their fences + * already gone. In this case, no need to consider its QID for + * mcs completion. + */ + if (fence) + mcs_data->stream_master_qid_map |= + fence->stream_master_qid_map; /* * Using mcs_handling_done to avoid possibility of mcs_data @@ -2390,7 +2398,8 @@ static int hl_cs_poll_fences(struct multi_cs_data *mcs_data) * all of its mcs handling, to avoid race the next time the * user waits for mcs. */ - if (status == CS_WAIT_STATUS_BUSY || !fence->mcs_handling_done) + if (status == CS_WAIT_STATUS_BUSY || + (fence && !fence->mcs_handling_done)) continue; mcs_data->completion_bitmap |= BIT(i); |