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authorMatthew Bouyack <mbouyack@google.com>2017-06-01 14:37:29 -0700
committerMatthew Bouyack <mbouyack@google.com>2017-06-07 16:24:17 -0700
commitcd9b55c70f081dbd004d347b51a793ce6fe3cacf (patch)
tree4e7485e4eb0eb8c3d37ea9cce7e0bd9ff894dcd5
parent177759a90584489b1b77cdaf3818ebdb79b1b9bf (diff)
Eliminate redundant changes to hardware vsync state.
When transitioning between NORMAL and DOZE power modes we were redundantly calling resyncHardwareVsync. Similarly, when transitioning from DOZE_SUSPEND to OFF we were redundantly calling disableHardwareVsync. This change eliminates those redundant calls. Fixes bug 62235417 Change-Id: I513bbf94a7ab973ab258efe16436441ac2379b70
-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp6
-rw-r--r--services/surfaceflinger/SurfaceFlinger_hwc1.cpp6
2 files changed, 8 insertions, 4 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 7392006c6f..ee63ebcb9c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3210,7 +3210,8 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
ALOGW("Couldn't set SCHED_OTHER on display off");
}
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
+ if (type == DisplayDevice::DISPLAY_PRIMARY &&
+ currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
disableHardwareVsync(true); // also cancels any in-progress resync
// FIXME: eventthread only knows about the main display right now
@@ -3224,7 +3225,8 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
mode == HWC_POWER_MODE_NORMAL) {
// Update display while dozing
getHwComposer().setPowerMode(type, mode);
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
+ if (type == DisplayDevice::DISPLAY_PRIMARY &&
+ currentMode == HWC_POWER_MODE_DOZE_SUSPEND) {
// FIXME: eventthread only knows about the main display right now
mEventThread->onScreenAcquired();
resyncToHardwareVsync(true);
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 0b3a0d0d38..43cf99898a 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -2869,7 +2869,8 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
ALOGW("Couldn't set SCHED_OTHER on display off");
}
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
+ if (type == DisplayDevice::DISPLAY_PRIMARY &&
+ currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
disableHardwareVsync(true); // also cancels any in-progress resync
// FIXME: eventthread only knows about the main display right now
@@ -2883,7 +2884,8 @@ void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
mode == HWC_POWER_MODE_NORMAL) {
// Update display while dozing
getHwComposer().setPowerMode(type, mode);
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
+ if (type == DisplayDevice::DISPLAY_PRIMARY &&
+ currentMode == HWC_POWER_MODE_DOZE_SUSPEND) {
// FIXME: eventthread only knows about the main display right now
mEventThread->onScreenAcquired();
resyncToHardwareVsync(true);