Hello AMD team;
I have E 9171 GPU and want to use it on a embedded system which has limited MMIO space on PCIe bus (MAX 512 MB).
I received feedbacks that I can only use VGA emulation with this memory space. I was unable to get 'amdgpu' driver working with Xorg due to I had many errors(firmwares are not loading) in each step and tired of solving them one by one.
I want to write a simple custom driver for this GPU with kernel version 4.19.
Is it possible to print some colors on screen with a custom driver over PCIe communication ? or writing some words on screen as VGA ?
If answer is yes, then which code pieces (on amdgpu driver folder) or reference documentation should I use? I have Register Reference Guide.pdf.
I will be appreciated for your guidance.
Best regards.
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