Comment # 5 on bug 107668 from Naheem Zaffar

I have just tried using an older 3m long HDMI cable I had at home that I
presume cannot support the latest HDMI version and with that I got a display at
full resolution.

The problem may be with HDMI handling, there seem to be others experiencing
some problems with HDMI 2, which I dont think this card supports.

is there a way to confirm the HDMI versions I was using that failed and the
version that succeeded?