intel_runtime_pm_get — grab a runtime pm reference
void intel_runtime_pm_get ( | struct drm_i915_private * dev_priv); |
This function grabs a device-level runtime pm reference (mostly used for GEM code to ensure the GTT or GT is on) and ensures that it is powered up.
Any runtime pm reference obtained by this function must have a symmetric
call to intel_runtime_pm_put to release the reference again.