AMD driver for High Sierra Hackintosh

so after 5 days, I get my pc work with Mac OS High Sierra, all my network and USB adapters are working without any issues but my GPU AMD Radeon HD 6600a didn't work, the mac recognizes the name of the GPU but without hardware acceleration and the VRAM are just 3MB but the GPU has 1GB can anyone help me to get the GPU work?

My specIntel core i5 2400S
2x4 gb ddr3 ram
SATA SSD 256GB

submitted by /u/Willing_Status_6037
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