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Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 3b0820594836..55bbc8b8df15 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -729,42 +729,6 @@ void xe_device_assert_mem_access(struct xe_device *xe) xe_assert(xe, !xe_pm_runtime_suspended(xe)); } -void xe_device_mem_access_get(struct xe_device *xe) -{ - int ref; - - /* - * This looks racy, but should be fine since the pm_callback_task only - * transitions from NULL -> current (and back to NULL again), during the - * runtime_resume() or runtime_suspend() callbacks, for which there can - * only be a single one running for our device. We only need to prevent - * recursively calling the runtime_get or runtime_put from those - * callbacks, as well as preventing triggering any access_ongoing - * asserts. - */ - if (xe_pm_read_callback_task(xe) == current) - return; - - xe_pm_runtime_get_noresume(xe); - ref = atomic_inc_return(&xe->mem_access.ref); - - xe_assert(xe, ref != S32_MAX); - -} - -void xe_device_mem_access_put(struct xe_device *xe) -{ - int ref; - - if (xe_pm_read_callback_task(xe) == current) - return; - - ref = atomic_dec_return(&xe->mem_access.ref); - xe_pm_runtime_put(xe); - - xe_assert(xe, ref >= 0); -} - void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p) { struct xe_gt *gt; |