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accel/ivpu: Update last_busy in IRQ handler

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Call pm_runtime_mark_last_busy() in top half of IRQ handler to prevent
device from being runtime suspended before bottom half is executed on
a workqueue.

Reviewed-by: Karol Wachowski <karol.wachowski@intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250129125636.1047413-3-jacek.lawrynowicz@linux.intel.com
This commit is contained in:
Jacek Lawrynowicz 2025-01-29 13:56:32 +01:00
parent 3477696345
commit b8c00323ae
1 changed files with 6 additions and 3 deletions
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9
drivers/accel/ivpu/ivpu_hw.c
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@ -10,6 +10,7 @@
#include <linux/dmi.h>
#include <linux/fault-inject.h>
#include <linux/pm_runtime.h>
#ifdef CONFIG_FAULT_INJECTION
DECLARE_FAULT_ATTR(ivpu_hw_failure);
@ -331,7 +332,9 @@ irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr)
/* Re-enable global interrupts to re-trigger MSI for pending interrupts */
ivpu_hw_btrs_global_int_enable(vdev);
if (ip_handled || btrs_handled)
return IRQ_HANDLED;
return IRQ_NONE;
if (!ip_handled && !btrs_handled)
return IRQ_NONE;
pm_runtime_mark_last_busy(vdev->drm.dev);
return IRQ_HANDLED;
}