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-rw-r--r--drivers/misc/habanalabs/common/hw_queue.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/hw_queue.c b/drivers/misc/habanalabs/common/hw_queue.c
index 76b7de8f1406..0743319b10c7 100644
--- a/drivers/misc/habanalabs/common/hw_queue.c
+++ b/drivers/misc/habanalabs/common/hw_queue.c
@@ -437,6 +437,7 @@ void hl_hw_queue_encaps_sig_set_sob_info(struct hl_device *hdev,
struct hl_cs_compl *cs_cmpl)
{
struct hl_cs_encaps_sig_handle *handle = cs->encaps_sig_hdl;
+ u32 offset = 0;
cs_cmpl->hw_sob = handle->hw_sob;
@@ -446,9 +447,13 @@ void hl_hw_queue_encaps_sig_set_sob_info(struct hl_device *hdev,
* set offset 1 for example he mean to wait only for the first
* signal only, which will be pre_sob_val, and if he set offset 2
* then the value required is (pre_sob_val + 1) and so on...
+ * if user set wait offset to 0, then treat it as legacy wait cs,
+ * wait for the next signal.
*/
- cs_cmpl->sob_val = handle->pre_sob_val +
- (job->encaps_sig_wait_offset - 1);
+ if (job->encaps_sig_wait_offset)
+ offset = job->encaps_sig_wait_offset - 1;
+
+ cs_cmpl->sob_val = handle->pre_sob_val + offset;
}
static int init_wait_cs(struct hl_device *hdev, struct hl_cs *cs,