From 4f0e6ab78aab4b3994428b618ff694fe9890133d Mon Sep 17 00:00:00 2001 From: Omer Shpigelman Date: Mon, 9 Mar 2020 13:25:47 +0200 Subject: 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 Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/goya/goya.c | 49 ++++++++++++++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) (limited to 'drivers/misc/habanalabs/goya') diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 9d4295cc83cf..68f065607544 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -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); -- cgit v1.2.3