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accel/ivpu: Prevent runtime suspend during context abort work

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Increment the runtime PM counter when entering
ivpu_context_abort_work_fn() to prevent the device
from suspending while the function is executing.

Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250204084622.2422544-3-jacek.lawrynowicz@linux.intel.com
This commit is contained in:
Andrzej Kacprowski 2025-02-04 09:46:18 +01:00 committed by Jacek Lawrynowicz
parent 4720e0ad30
commit 7806bad76a
1 changed files with 9 additions and 1 deletions
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10
drivers/accel/ivpu/ivpu_job.c
View File

@ -8,6 +8,7 @@
#include <linux/bitfield.h>
#include <linux/highmem.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/module.h>
#include <uapi/drm/ivpu_accel.h>
@ -965,6 +966,9 @@ void ivpu_context_abort_work_fn(struct work_struct *work)
unsigned long ctx_id;
unsigned long id;
if (drm_WARN_ON(&vdev->drm, pm_runtime_get_if_active(vdev->drm.dev) <= 0))
return;
if (vdev->fw->sched_mode == VPU_SCHEDULING_MODE_HW)
ivpu_jsm_reset_engine(vdev, 0);
@ -987,7 +991,7 @@ void ivpu_context_abort_work_fn(struct work_struct *work)
ivpu_mmu_discard_events(vdev);
if (vdev->fw->sched_mode != VPU_SCHEDULING_MODE_HW)
return;
goto runtime_put;
ivpu_jsm_hws_resume_engine(vdev, 0);
/*
@ -1000,4 +1004,8 @@ void ivpu_context_abort_work_fn(struct work_struct *work)
if (job->file_priv->aborted)
ivpu_job_signal_and_destroy(vdev, job->job_id, DRM_IVPU_JOB_STATUS_ABORTED);
mutex_unlock(&vdev->submitted_jobs_lock);
runtime_put:
pm_runtime_mark_last_busy(vdev->drm.dev);
pm_runtime_put_autosuspend(vdev->drm.dev);
}