When the last reference of a gem object is removed it is added to the
mm.free_list list and mm.free_work is queued to actually free the
object.
So gem objects that had their last reference removed by display during
drm_atomic_helper_shutdown() are added to mm.free_list what could
cause that mm.free_work is executed at the same time as
intel_runtime_pm_driver_release() causing raw-wakerefs warning.
So here only calling i915_gem_suspend() and by consequence
i915_gem_drain_freed_objects() only after display is down making
sure all display gem objecs are freed when
intel_runtime_pm_driver_release() is executed.
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220617190629.355356-1-jose.souza@intel.com
intel_runtime_pm_disable(&i915->runtime_pm);
intel_power_domains_disable(i915);
- i915_gem_suspend(i915);
-
if (HAS_DISPLAY(i915)) {
drm_kms_helper_poll_disable(&i915->drm);
intel_dmc_ucode_suspend(i915);
+ i915_gem_suspend(i915);
+
/*
* The only requirement is to reboot with display DC states disabled,
* for now leaving all display power wells in the INIT power domain