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AMDGPU Driver Lacks HDMI 2.1 While AMD-Xilinx Driver Has Some HDMI 2.1 Support
Those following Phoronix and the open-source AMD Linux kernel graphics driver know that the HDMI Forum has prevented AMD from implementing HDMI 2.1 support in their open-source 'AMDGPU' driver as due the driver implementation would run afoul to the organization's licensing requirements
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