---

yaml --- r: 209801 b: refs/heads/master c: 4e186b2 h: refs/heads/master i: 209799: 7639938 v: v3
git-mirror · Aug 19, 2010 · 0cfad64 · 0cfad64
1 parent 49e6a62
commit 0cfad64
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4aab97e818c255a1bc25bb981f121a7992c6b290
+refs/heads/master: 4e186b2d6c878793587c35d7f06c94565d76e9b8
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_pm.c b/trunk/drivers/gpu/drm/radeon/radeon_pm.c
@@ -226,6 +226,11 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 {
 	int i;
 
+	/* no need to take locks, etc. if nothing's going to change */
+	if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
+	    (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
+		return;
+
 	mutex_lock(&rdev->ddev->struct_mutex);
 	mutex_lock(&rdev->vram_mutex);
 	mutex_lock(&rdev->cp.mutex);