Hi Janusz, > Hi Krzysztof, > > Thanks for looking at this. > > On Friday, 30 January 2026 13:53:02 CET Krzysztof Karas wrote: > > Hi Janusz, > > > > the code looks good, I am wondering if "fake" is appropriate > > word for the descriptions below: > > in a way the values are correct, but wrongly reported - they > > belong to pci x1 bridge of the GPU. Maybe adding a short > > sentence that the values reported always belong to pci x1 > > instead of the fastest active bridge would complete the message? > > What do you think? > > If the GPU device was a real PCIe endpoint with link bandwith limited to > 2.5GT/s, 1x (max_link_speed, max_link_width), as reported, then that would be > the actually possible maximum bandwidth of the GPU to CPU link, I believe, > not > that of the bridge upstream port. Since Intel declares the link bandwidth of > the bridge upstream port should be referred to as correctly describing the > actual GPU to CPU link bandwidth then my understanding is that the values > reported by the GPU should be disregarded as not true (then fake). I'm open > to calling those values with another word but fake, as long as that word > reflects their non truth status. Very well. I am convinced:
Reviewed-by: Krzysztof Karas <[email protected]> -- Best Regards, Krzysztof
