diff options
Diffstat (limited to 'merrifield/common/devices/PhysicalDevice.cpp')
| -rw-r--r-- | merrifield/common/devices/PhysicalDevice.cpp | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/merrifield/common/devices/PhysicalDevice.cpp b/merrifield/common/devices/PhysicalDevice.cpp index 601b63e..f4072a7 100644 --- a/merrifield/common/devices/PhysicalDevice.cpp +++ b/merrifield/common/devices/PhysicalDevice.cpp @@ -17,6 +17,7 @@ #include <Hwcomposer.h> #include <Drm.h> #include <PhysicalDevice.h> +#include <cutils/properties.h> namespace android { namespace intel { @@ -32,7 +33,8 @@ PhysicalDevice::PhysicalDevice(uint32_t type, Hwcomposer& hwc, DeviceControlFact mConnected(false), mBlank(false), mDisplayState(DEVICE_DISPLAY_ON), - mInitialized(false) + mInitialized(false), + mFpsDivider(1) { CTRACE(); @@ -341,7 +343,8 @@ bool PhysicalDevice::updateDisplayConfigs() // don't bail out as it is not a fatal error } // use active fb dimension as config width/height - DisplayConfig *config = new DisplayConfig(mode.vrefresh, + // add display config vfresh/mFpsDivider to lower FPS + DisplayConfig *config = new DisplayConfig(mode.vrefresh/mFpsDivider, mode.hdisplay, mode.vdisplay, dpiX, dpiY); @@ -395,6 +398,16 @@ bool PhysicalDevice::updateDisplayConfigs() bool PhysicalDevice::initialize() { CTRACE(); + char prop[PROPERTY_VALUE_MAX]; + char *retptr; + + if (property_get("hwc.fps_divider", prop, "1") > 0) { + uint32_t divider = strtoul(prop, &retptr, 10); + if (*retptr == '\0' && divider > 1 && divider < 60) { + mFpsDivider = divider; + ALOGI("%s display, setting HWC FPS divider to %d", mName, mFpsDivider); + } + } if (mType != DEVICE_PRIMARY && mType != DEVICE_EXTERNAL) { ETRACE("invalid device type"); @@ -509,6 +522,11 @@ void PhysicalDevice::dump(Dump& d) mLayerList->dump(d); } +uint32_t PhysicalDevice::getFpsDivider() +{ + return mFpsDivider; +} + bool PhysicalDevice::setPowerMode(int mode) { // TODO: set proper power modes for HWC 1.4 |