diff options
| author | Alon Mizrahi <amizrahi@habana.ai> | 2020-12-02 19:55:30 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2020-12-28 08:47:38 +0200 |
| commit | 72ab9ca52de6856380c26b2045aa826ae4308b76 (patch) | |
| tree | 2d4b8204f58d70a7b0486cab1997088267b104fa /drivers/misc/habanalabs/gaudi | |
| parent | 9c9013cbd8338ff8eac732d115c9005bc512cbc5 (diff) | |
habanalabs/gaudi: do not set EB in collective slave queues
We don't need to set EB on signal packets from collective slave
queues as it degrades performance. Because the slaves are the network
queues, the engine barrier doesn't actually guarantee that the
packet has been sent.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/gaudi')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index e465c158eaeb..65895ba075fe 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -361,7 +361,7 @@ static int gaudi_cpucp_info_get(struct hl_device *hdev); static void gaudi_disable_clock_gating(struct hl_device *hdev); static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid); static u32 gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id, - u32 size); + u32 size, bool eb); static u32 gaudi_gen_wait_cb(struct hl_device *hdev, struct hl_gen_wait_properties *prop); @@ -1064,7 +1064,7 @@ static void gaudi_collective_slave_init_job(struct hl_device *hdev, prop->collective_sob_id, queue_id); cb_size += gaudi_gen_signal_cb(hdev, job->user_cb, - prop->collective_sob_id, cb_size); + prop->collective_sob_id, cb_size, false); } static void gaudi_collective_wait_init_cs(struct hl_cs *cs) @@ -7893,7 +7893,7 @@ static u32 gaudi_get_wait_cb_size(struct hl_device *hdev) } static u32 gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id, - u32 size) + u32 size, bool eb) { struct hl_cb *cb = (struct hl_cb *) data; struct packet_msg_short *pkt; @@ -7910,7 +7910,7 @@ static u32 gaudi_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id, ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OP_MASK, 0); /* write the value */ ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_BASE_MASK, 3); /* W_S SOB base */ ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_OPCODE_MASK, PACKET_MSG_SHORT); - ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, 1); + ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_EB_MASK, eb); ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_RB_MASK, 1); ctl |= FIELD_PREP(GAUDI_PKT_SHORT_CTL_MB_MASK, 1); |