accel/habanalabs: add a common handler for clock change events
As the new dynamic EQ includes clock change events which are common and not ASIC-specific, add a common handler for these events. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Ofir Bitton <obitton@habana.ai> Signed-off-by: Ofir Bitton <obitton@habana.ai>
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@ -2860,3 +2860,49 @@ void hl_eq_heartbeat_event_handle(struct hl_device *hdev)
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hdev->heartbeat_debug_info.heartbeat_event_counter++;
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hdev->eq_heartbeat_received = true;
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}
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void hl_handle_clk_change_event(struct hl_device *hdev, u16 event_type, u64 *event_mask)
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{
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struct hl_clk_throttle *clk_throttle = &hdev->clk_throttling;
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ktime_t zero_time = ktime_set(0, 0);
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mutex_lock(&clk_throttle->lock);
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switch (event_type) {
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case EQ_EVENT_POWER_EVT_START:
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clk_throttle->current_reason |= HL_CLK_THROTTLE_POWER;
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clk_throttle->aggregated_reason |= HL_CLK_THROTTLE_POWER;
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_POWER].start = ktime_get();
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_POWER].end = zero_time;
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dev_dbg_ratelimited(hdev->dev, "Clock throttling due to power consumption\n");
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break;
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case EQ_EVENT_POWER_EVT_END:
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clk_throttle->current_reason &= ~HL_CLK_THROTTLE_POWER;
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_POWER].end = ktime_get();
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dev_dbg_ratelimited(hdev->dev, "Power envelop is safe, back to optimal clock\n");
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break;
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case EQ_EVENT_THERMAL_EVT_START:
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clk_throttle->current_reason |= HL_CLK_THROTTLE_THERMAL;
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clk_throttle->aggregated_reason |= HL_CLK_THROTTLE_THERMAL;
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].start = ktime_get();
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].end = zero_time;
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*event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
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dev_info_ratelimited(hdev->dev, "Clock throttling due to overheating\n");
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break;
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case EQ_EVENT_THERMAL_EVT_END:
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clk_throttle->current_reason &= ~HL_CLK_THROTTLE_THERMAL;
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clk_throttle->timestamp[HL_CLK_THROTTLE_TYPE_THERMAL].end = ktime_get();
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*event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
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dev_info_ratelimited(hdev->dev, "Thermal envelop is safe, back to optimal clock\n");
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break;
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default:
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dev_err(hdev->dev, "Received invalid clock change event %d\n", event_type);
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break;
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}
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mutex_unlock(&clk_throttle->lock);
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}
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@ -4063,6 +4063,7 @@ void hl_enable_err_info_capture(struct hl_error_info *captured_err_info);
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void hl_init_cpu_for_irq(struct hl_device *hdev);
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void hl_set_irq_affinity(struct hl_device *hdev, int irq);
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void hl_eq_heartbeat_event_handle(struct hl_device *hdev);
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void hl_handle_clk_change_event(struct hl_device *hdev, u16 event_type, u64 *event_mask);
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#ifdef CONFIG_DEBUG_FS
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