Just another means to the same end (full graphics acceleration) to which there are a few different methods, GE=Yes being most well know and simplest. Depending on hardware and bootloader combination along with personal preference, any number of methods may work, or more exotic solutions could be required. So the real answer.....
I made aty,bin_image into dsdt gfx0 device and nothing changed, the only thing I found is that Radeonsensor says in console that it found atom bios. Without bin_image in dsdt, it says bin image not found, but everything working without bin_image injected into dsdt (gpu temp too).
So what is the function of this dsdt bin_image injecting? What should be change?
(I'am not using graphics enabler)
This answer will apply to all hardware, not just GPU:
Q: If my piece of hardware already works as expected, and changes are made to DSDT, kexts, hardware's bootloader settings, etc., what are the expected results?
A: 2 possibilites, first possibility is no changes at all. Second possibility is it won't work properly anymore or it won't work at all.
Conclusion: Unless there is a specific issue/problem your looking to address....If it ain't broke, don't fix it