Message ID | 20220204171053.18409-1-ville.syrjala@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/i915/selftests: Disable runtime pm wakeref tracking for the mock device | expand |
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 3293ac71bcf8..6ed5786bcd29 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -77,6 +77,9 @@ track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm) depot_stack_handle_t stack, *stacks; unsigned long flags; + if (rpm->no_wakeref_tracking) + return -1; + stack = __save_depot_stack(); if (!stack) return -1; diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.h b/drivers/gpu/drm/i915/intel_runtime_pm.h index 47a85fab4130..d9160e3ff4af 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.h +++ b/drivers/gpu/drm/i915/intel_runtime_pm.h @@ -51,6 +51,7 @@ struct intel_runtime_pm { bool available; bool suspended; bool irqs_enabled; + bool no_wakeref_tracking; #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) /* diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 28a0f054009a..573d9b2e1a4a 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -161,6 +161,8 @@ struct drm_i915_private *mock_gem_device(void) i915_params_copy(&i915->params, &i915_modparams); intel_runtime_pm_init_early(&i915->runtime_pm); + /* wakeref tracking has significant overhead */ + i915->runtime_pm.no_wakeref_tracking = true; /* Using the global GTT may ask questions about KMS users, so prepare */ drm_mode_config_init(&i915->drm);