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Commit 90c39059 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms/pm: don't enable pm if there is only on power state 



Just adds overhead when the power state will never change.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 678e7dfa

drivers/gpu/drm/radeon/radeon_pm.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -113,7 +113,7 @@ int radeon_pm_init(struct radeon_device *rdev) 




	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);

	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);





	if (radeon_dynpm != -1 && radeon_dynpm) {

	if ((radeon_dynpm != -1 && radeon_dynpm) && (rdev->pm.num_power_states > 1)) {

		rdev->pm.state = PM_STATE_PAUSED;

		rdev->pm.state = PM_STATE_PAUSED;

		DRM_INFO("radeon: dynamic power management enabled\n");

		DRM_INFO("radeon: dynamic power management enabled\n");

	}

	}