msm: kgsl: Allow SLEEP/SLUMBER/SUSPEND states to wake to nominal voltage

Waking in turbo drains power while the high nominal frequency of 300MHz is
generally enough to handle rapid requests.

Change-Id: I01a8261b6431556b483e59d1c2ae539ff094c751
Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.h b/drivers/gpu/msm/kgsl_pwrctrl.h
index 7dd429f..a677fec 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.h
+++ b/drivers/gpu/msm/kgsl_pwrctrl.h
@@ -46,6 +46,7 @@
 	struct kgsl_pwrlevel pwrlevels[KGSL_MAX_PWRLEVELS];
 	unsigned int active_pwrlevel;
 	int thermal_pwrlevel;
+	unsigned int default_pwrlevel;
 	unsigned int num_pwrlevels;
 	unsigned int interval_timeout;
 	bool strtstp_sleepwake;