diff options
| author | Ofir Bitton <obitton@habana.ai> | 2020-12-03 17:59:28 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-27 22:03:48 +0300 |
| commit | ac6fdbfe2ea833b610a51bc6fc078fbce8457d97 (patch) | |
| tree | 54119a2d0857f81842c8f5aed6077e04d228cdd6 /drivers/misc | |
| parent | 8e39e75a134f4cebc6503f21ba6e51c0cf434497 (diff) | |
| download | linux-ac6fdbfe2ea833b610a51bc6fc078fbce8457d97.tar.xz | |
habanalabs/gaudi: support CS with no completion
As part of the staged submission feature, we need Gaudi to support
command submissions that will never get a completion.
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 | 1 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 2 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 10 |
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index b2b3d2b0f808..ccb4972a555f 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -225,6 +225,7 @@ static int cs_parser(struct hl_fpriv *hpriv, struct hl_cs_job *job) parser.queue_type = job->queue_type; parser.is_kernel_allocated_cb = job->is_kernel_allocated_cb; job->patched_cb = NULL; + parser.completion = true; rc = hdev->asic_funcs->cs_parser(hdev, &parser); diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 2dbee9440a5f..dee73a04411b 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -1223,6 +1223,7 @@ struct hl_cs_job { * MSG_PROT packets. Relevant only for GAUDI as GOYA doesn't * have streams so the engine can't be busy by another * stream. + * @completion: true if we need completion for this CS. */ struct hl_cs_parser { struct hl_cb *user_cb; @@ -1237,6 +1238,7 @@ struct hl_cs_parser { u8 job_id; u8 is_kernel_allocated_cb; u8 contains_dma_pkt; + u8 completion; }; /* diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 58ad1630192e..0324114ab4ee 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -5060,7 +5060,8 @@ static int gaudi_validate_cb(struct hl_device *hdev, * 1. A packet that will act as a completion packet * 2. A packet that will generate MSI-X interrupt */ - parser->patched_cb_size += sizeof(struct packet_msg_prot) * 2; + if (parser->completion) + parser->patched_cb_size += sizeof(struct packet_msg_prot) * 2; return rc; } @@ -5287,8 +5288,11 @@ static int gaudi_parse_cb_mmu(struct hl_device *hdev, * 1. A packet that will act as a completion packet * 2. A packet that will generate MSI interrupt */ - parser->patched_cb_size = parser->user_cb_size + - sizeof(struct packet_msg_prot) * 2; + if (parser->completion) + parser->patched_cb_size = parser->user_cb_size + + sizeof(struct packet_msg_prot) * 2; + else + parser->patched_cb_size = parser->user_cb_size; rc = hl_cb_create(hdev, &hdev->kernel_cb_mgr, hdev->kernel_ctx, parser->patched_cb_size, false, false, |