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

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
...@@ -113,7 +113,7 @@ int radeon_pm_init(struct radeon_device *rdev) ...@@ -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");
} }
......
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