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thermal: int340x: processor_thermal: Handle power floor interrupts

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On thermal device interrupt, if the interrupt is generated for passing
power floor status, call the callback to pass notification to the user
space.

First call proc_thermal_check_power_floor_intr() to check interrupt, if
this callback returns true, wake the IRQ thread to call
proc_thermal_power_floor_intr_callback() to notify user space.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Srinivas Pandruvada 2023-10-09 12:05:36 -07:00 committed by Rafael J. Wysocki
parent b473d6a9d6
commit 8cd5ad18dd
1 changed files with 8 additions and 1 deletions
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9
drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
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@ -126,7 +126,8 @@ static void proc_thermal_clear_soc_int_status(struct proc_thermal_device *proc_p
{
u64 status;
if (!(proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT))
if (!(proc_priv->mmio_feature_mask &
(PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR)))
return;
status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
@ -139,6 +140,7 @@ static irqreturn_t proc_thermal_irq_thread_handler(int irq, void *devid)
struct proc_thermal_pci *pci_info = devid;
proc_thermal_wt_intr_callback(pci_info->pdev, pci_info->proc_priv);
proc_thermal_power_floor_intr_callback(pci_info->pdev, pci_info->proc_priv);
proc_thermal_clear_soc_int_status(pci_info->proc_priv);
return IRQ_HANDLED;
@ -158,6 +160,11 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid)
ret = IRQ_WAKE_THREAD;
}
if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) {
if (proc_thermal_check_power_floor_intr(pci_info->proc_priv))
ret = IRQ_WAKE_THREAD;
}
/*
* Since now there are two sources of interrupts: one from thermal threshold
* and another from workload hint, add a check if there was really a threshold