android/android_hardware_qcom_display
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

hwc: Disable HW vsync for some targets

Browse Source 
7x27A, 8x25 and 8x55 do not support HW vsync yet.
This change checks for their MDP version and disables HW vsync
on them. This change should be reverted once hardware vsync is
available on these targets.

Change-Id: I0cb884f571346b3595169cb4b3c01bbdb7ecaaee
This commit is contained in:
Naseer Ahmed 2012-07-26 13:10:55 -07:00
parent 912842f62d
commit 32dd0125d9
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libhwcomposer/hwc.cpp
View File

@ -204,7 +204,12 @@ static int hwc_device_open(const struct hw_module_t* module, const char* name,
methods->eventControl = hwc_eventControl;
dev->device.common.tag = HARDWARE_DEVICE_TAG;
dev->device.common.version = HWC_DEVICE_API_VERSION_0_3;
//XXX: This disables hardware vsync on 7x27A, 8x25 and 8x55
// Fix when HW vsync is available on those targets
if(dev->mMDP.version < 410)
dev->device.common.version = 0;
else
dev->device.common.version = HWC_DEVICE_API_VERSION_0_3;
dev->device.common.module = const_cast<hw_module_t*>(module);
dev->device.common.close = hwc_device_close;
dev->device.prepare = hwc_prepare;