commit 3005cddf5800135618354f35dd0822e18d1e9b44
author Suman Tatiraju <sumant@codeaurora.org> Mon Mar 19 14:38:11 2012 -0700
committer Linux Build Service Account <lnxbuild@localhost> Wed Mar 28 02:21:24 2012 -0600
tree 50134515662c3a2408146eba76544e61e9d61340
parent b2ad2bae31187ab0cbd0dbd982fbb4e27293897a

msm: kgsl: make pm_qos vote to default when in slumber

Change the pm_qos vote to default when the diplay goes
off. This allows the cpu to do idle power collapse after
display goes off.

Change-Id: Id7c3af50e66c9deab483da98cac2569f56cd21e4
Signed-off-by: Suman Tatiraju <sumant@codeaurora.org>

drivers/gpu/msm/kgsl_pwrctrl.c

diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
index 406d0c9..a03e530 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.c
+++ b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -773,13 +773,15 @@
 	case KGSL_STATE_SLEEP:
 		del_timer_sync(&device->idle_timer);
 		kgsl_pwrctrl_pwrlevel_change(device, KGSL_PWRLEVEL_NOMINAL);
+		device->pwrctrl.restore_slumber = true;
 		device->ftbl->suspend_context(device);
 		device->ftbl->stop(device);
-		device->pwrctrl.restore_slumber = true;
 		_sleep_accounting(device);
 		kgsl_pwrctrl_set_state(device, KGSL_STATE_SLUMBER);
 		if (device->idle_wakelock.name)
 			wake_unlock(&device->idle_wakelock);
+		pm_qos_update_request(&device->pm_qos_req_dma,
+						PM_QOS_DEFAULT_VALUE);
 		break;
 	case KGSL_STATE_SLUMBER:
 		break;
@@ -849,8 +851,9 @@
 		mod_timer(&device->idle_timer,
 				jiffies + device->pwrctrl.interval_timeout);
 		wake_lock(&device->idle_wakelock);
-		pm_qos_update_request(&device->pm_qos_req_dma,
-				GPU_SWFI_LATENCY);
+		if (device->pwrctrl.restore_slumber == false)
+			pm_qos_update_request(&device->pm_qos_req_dma,
+						GPU_SWFI_LATENCY);
 	case KGSL_STATE_ACTIVE:
 		break;
 	default: