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@xxxxxxxxx> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@xxxxxxxxxxxxxxx> --- drivers/accel/ivpu/ivpu_hw.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/accel/ivpu/ivpu_hw.c b/drivers/accel/ivpu/ivpu_hw.c index 8099ab047bfe6..4199f0bbb435b 100644 --- a/drivers/accel/ivpu/ivpu_hw.c +++ b/drivers/accel/ivpu/ivpu_hw.c @@ -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; } -- 2.45.1
