drm-legacy-kmod vs. drm-kmod

[Robert Huff]

Warner Losh writes:

>   >      > This is not about increased hardware performance; the old chip
>   >      > did just fine for that system. It's about having the hardware to
>   >      > support the software that's in active development.
>   >  
>   >      radeonkms is still supported – so everything R600, from the earliest HD
>   >      something to the R5 ones, should work.
>   >  
>   >      Active *development* is happening on GCN GPUs supported by amdgpu.
>   >  
>   >  
>   >      Keep in mind that our "legacy" port is.. well.. legacy *in terms of
>   >      porting*. It's manually ported instead of writing a compatibility layer
>   >      which is how the current port works.
>   >      The legacy port is stuck on older Linux code because of that, but *Linux
>   >      did not drop support for older GPUs in the same drivers* so the new port
>   >      should work just as well.
>  
>  It's also legacy in terms of the APIs it uses. This means that over time other
>  things will shift away from those APIs (as happened with xf86-ati-video-legacy
>  port) and as that happens, support for it will diminish and eventually go away.
>  That's much less likely to happen with the amdgpu driver.

	<jumps up and down, pointing emphatically> Bingo!
	Thank you.


			Respectfully,


				Robert Huff