Hi All,
I am working on the eclair framework. I have a question about refresh
rate set in framebuffer.cpp
in mapFrameBufferLocked, I hard coded the refresh rate to 60*1000,
recently I did a test to remove the code,
I find it is 1Hz calculated from the formula and then the fps will be
about 0.00.
According to my test , after that change, it will improve some
performance in out platform, anybody know what is the refreshRate used
for?
Where is the exact code to use this value?
int refreshRate = 1000000000000000LLU /
(
uint64_t( info.upper_margin + info.lower_margin +
info.yres )
* ( info.left_margin + info.right_margin + info.xres )
* info.pixclock
);
LOGW("refresh rate = %.2f Hz\n",refreshRate);
if (refreshRate == 0) {
// bleagh, bad info from the driver
refreshRate = 60*1000; // 60 Hz
}
//refreshRate = 60*1000; // 60 Hz --> hard coded.
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