From 926ba4cce10ee08512bf298d92c236955fc0994e Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Tue, 31 Mar 2020 11:57:11 +0300 Subject: habanalabs: handle barriers in DMA QMAN streams When we have DMA QMAN with multiple streams, we need to know whether the command buffer contains at least one DMA packet in order to configure the barriers correctly when adding the 2xMSG_PROT at the end of the JOB. If there is no DMA packet, then there is no need to put engine barrier. This is relevant only for GAUDI as GOYA doesn't have streams so the engine can't be busy by another stream. Reviewed-by: Tomer Tayar Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/goya/goya.c | 3 ++- drivers/misc/habanalabs/goya/goyaP.h | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/misc/habanalabs/goya') diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 85f29cb7d67b..19c3bdf4c358 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -3903,7 +3903,8 @@ int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser) } void goya_add_end_of_cb_packets(struct hl_device *hdev, u64 kernel_address, - u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec) + u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec, + bool eb) { struct packet_msg_prot *cq_pkt; u32 tmp; diff --git a/drivers/misc/habanalabs/goya/goyaP.h b/drivers/misc/habanalabs/goya/goyaP.h index a05250e53175..86857cdd36b1 100644 --- a/drivers/misc/habanalabs/goya/goyaP.h +++ b/drivers/misc/habanalabs/goya/goyaP.h @@ -216,7 +216,8 @@ void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry); void *goya_get_events_stat(struct hl_device *hdev, bool aggregate, u32 *size); void goya_add_end_of_cb_packets(struct hl_device *hdev, u64 kernel_address, - u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec); + u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec, + bool eb); int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser); void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id, dma_addr_t *dma_handle, u16 *queue_len); -- cgit v1.2.3