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habanalabs: add print upon clock change 

Add print upon clock slow down due to power consumption or overheating.
In addition, add print when back to optimal clock.

Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Omer Shpigelman 2020-03-09 13:25:47 +02:00 committed by Oded Gabbay
parent bc6ed3aa92
commit 4f0e6ab78a
2 changed files with 52 additions and 1 deletions
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49
drivers/misc/habanalabs/goya/goya.c
View File

@ -324,7 +324,11 @@ static u32 goya_all_events[] = {
GOYA_ASYNC_EVENT_ID_DMA_BM_CH1,
GOYA_ASYNC_EVENT_ID_DMA_BM_CH2,
GOYA_ASYNC_EVENT_ID_DMA_BM_CH3,
GOYA_ASYNC_EVENT_ID_DMA_BM_CH4
GOYA_ASYNC_EVENT_ID_DMA_BM_CH4,
GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S,
GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E,
GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S,
GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E
};
static int goya_mmu_clear_pgt_range(struct hl_device *hdev);
@ -4389,6 +4393,14 @@ static const char *_goya_get_event_desc(u16 event_type)
return "TPC%d_bmon_spmu";
case GOYA_ASYNC_EVENT_ID_DMA_BM_CH0 ... GOYA_ASYNC_EVENT_ID_DMA_BM_CH4:
return "DMA_bm_ch%d";
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
return "POWER_ENV_S";
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
return "POWER_ENV_E";
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
return "THERMAL_ENV_S";
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
return "THERMAL_ENV_E";
default:
return "N/A";
}
@ -4619,6 +4631,33 @@ static int goya_unmask_irq(struct hl_device *hdev, u16 event_type)
return rc;
}
static void goya_print_clk_change_info(struct hl_device *hdev, u16 event_type)
{
switch (event_type) {
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
dev_info_ratelimited(hdev->dev,
"Clock throttling due to power consumption\n");
break;
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
dev_info_ratelimited(hdev->dev,
"Power envelop is safe, back to optimal clock\n");
break;
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
dev_info_ratelimited(hdev->dev,
"Clock throttling due to overheating\n");
break;
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
dev_info_ratelimited(hdev->dev,
"Thermal envelop is safe, back to optimal clock\n");
break;
default:
dev_err(hdev->dev, "Received invalid clock change event %d\n",
event_type);
break;
}
}
void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry)
{
u32 ctl = le32_to_cpu(eq_entry->hdr.ctl);
@ -4702,6 +4741,14 @@ void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry)
goya_unmask_irq(hdev, event_type);
break;
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
goya_print_clk_change_info(hdev, event_type);
goya_unmask_irq(hdev, event_type);
break;
default:
dev_err(hdev->dev, "Received invalid H/W interrupt %d\n",
event_type);

4
drivers/misc/habanalabs/include/goya/goya_async_events.h
View File

@ -188,6 +188,10 @@ enum goya_async_event_id {
GOYA_ASYNC_EVENT_ID_HALT_MACHINE = 485,
GOYA_ASYNC_EVENT_ID_INTS_REGISTER = 486,
GOYA_ASYNC_EVENT_ID_SOFT_RESET = 487,
GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S = 507,
GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E = 508,
GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S = 509,
GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E = 510,
GOYA_ASYNC_EVENT_ID_LAST_VALID_ID = 1023,
GOYA_ASYNC_EVENT_ID_SIZE
};