hwc: Set min panel refresh rate during idle timeout
Set minimum panel refresh rate during idle timeout for
power savings. Also handle dynamic refresh rate whenever
there is early return in prepare.
Change-Id: Ifb7b567adf47962789ee0cd1a97181cb53b53fd2
diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 14b9a49..79a4249 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -1875,6 +1875,33 @@
return true;
}
+void MDPComp::setDynRefreshRate(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
+ //For primary display, set the dynamic refreshrate
+ if(!mDpy && qdutils::MDPVersion::getInstance().isDynFpsSupported() &&
+ ctx->mUseMetaDataRefreshRate) {
+ FrameInfo frame;
+ frame.reset(mCurrentFrame.layerCount);
+ memset(&frame.drop, 0, sizeof(frame.drop));
+ frame.dropCount = 0;
+ ALOGD_IF(isDebug(), "%s: Update Cache and YUVInfo for Dyn Refresh Rate",
+ __FUNCTION__);
+ updateLayerCache(ctx, list, frame);
+ updateYUV(ctx, list, false /*secure only*/, frame);
+ uint32_t refreshRate = ctx->dpyAttr[mDpy].refreshRate;
+ MDPVersion& mdpHw = MDPVersion::getInstance();
+ if(sIdleFallBack) {
+ //Set minimum panel refresh rate during idle timeout
+ refreshRate = mdpHw.getMinFpsSupported();
+ } else if((ctx->listStats[mDpy].yuvCount == frame.mdpCount) ||
+ (frame.layerCount == 1)) {
+ //Set the new fresh rate, if there is only one updating YUV layer
+ //or there is one single RGB layer with this request
+ refreshRate = ctx->listStats[mDpy].refreshRateRequest;
+ }
+ setRefreshRate(ctx, mDpy, refreshRate);
+ }
+}
+
int MDPComp::prepare(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
int ret = 0;
char property[PROPERTY_VALUE_MAX];
@@ -1901,19 +1928,22 @@
if(!mDpy)
memset(&(ctx->mPtorInfo), 0, sizeof(ctx->mPtorInfo));
+ //reset old data
+ mCurrentFrame.reset(numLayers);
+ memset(&mCurrentFrame.drop, 0, sizeof(mCurrentFrame.drop));
+ mCurrentFrame.dropCount = 0;
+
//Do not cache the information for next draw cycle.
if(numLayers > MAX_NUM_APP_LAYERS or (!numLayers)) {
ALOGI("%s: Unsupported layer count for mdp composition",
__FUNCTION__);
mCachedFrame.reset();
+#ifdef DYNAMIC_FPS
+ setDynRefreshRate(ctx, list);
+#endif
return -1;
}
- //reset old data
- mCurrentFrame.reset(numLayers);
- memset(&mCurrentFrame.drop, 0, sizeof(mCurrentFrame.drop));
- mCurrentFrame.dropCount = 0;
-
// Detect the start of animation and fall back to GPU only once to cache
// all the layers in FB and display FB content untill animation completes.
if(ctx->listStats[mDpy].isDisplayAnimating) {
@@ -1924,6 +1954,9 @@
}
setMDPCompLayerFlags(ctx, list);
mCachedFrame.updateCounts(mCurrentFrame);
+#ifdef DYNAMIC_FPS
+ setDynRefreshRate(ctx, list);
+#endif
ret = -1;
return ret;
} else {
@@ -1976,26 +2009,7 @@
}
#ifdef DYNAMIC_FPS
- //For primary display, set the dynamic refreshrate
- if(!mDpy && qdutils::MDPVersion::getInstance().isDynFpsSupported() &&
- ctx->mUseMetaDataRefreshRate) {
- FrameInfo frame;
- frame.reset(mCurrentFrame.layerCount);
- memset(&frame.drop, 0, sizeof(frame.drop));
- frame.dropCount = 0;
- ALOGD_IF(isDebug(), "%s: Update Cache and YUVInfo for Dyn Refresh Rate",
- __FUNCTION__);
- updateLayerCache(ctx, list, frame);
- updateYUV(ctx, list, false /*secure only*/, frame);
- uint32_t refreshRate = ctx->dpyAttr[mDpy].refreshRate;
- //Set the new fresh rate, if there is only one updating YUV layer
- //or there is one single RGB layer with this request
- if((ctx->listStats[mDpy].yuvCount == frame.mdpCount) ||
- (frame.layerCount == 1)) {
- refreshRate = ctx->listStats[mDpy].refreshRateRequest;
- }
- setRefreshRate(ctx, mDpy, refreshRate);
- }
+ setDynRefreshRate(ctx, list);
#endif
mCachedFrame.cacheAll(list);
diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index 3ce4a64..4978182 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -58,6 +58,8 @@
static void setMaxPipesPerMixer(const uint32_t value);
static int setPartialUpdatePref(hwc_context_t *ctx, bool enable);
static bool getPartialUpdatePref(hwc_context_t *ctx);
+ void setDynRefreshRate(hwc_context_t *ctx, hwc_display_contents_1_t* list);
+
protected:
enum ePipeType {
MDPCOMP_OV_RGB = ovutils::OV_MDP_PIPE_RGB,