[RFC] Problems with SRBM select on KIQ

Alex Deucher alexdeucher at gmail.com
Fri May 5 22:40:11 UTC 2017

On Fri, May 5, 2017 at 1:10 PM, Andres Rodriguez <andresx7 at gmail.com> wrote:
> Hey Everyone,
> On one of the previous comments for this series I received feedback that
> the register programming should be done through the KIQ. This series has
> the relevant changes.
> However, register writes that require an srbm_select are not working
> correctly. The effect is as if the write never happened.
> Maybe I'm just doing something silly or dumb in here, but I can't really
> see it. Possibly the way I try to perform the srbm_select for KIQ?
> Any feedback on this issue is appreciated.

I think to make this work, you'd probably need to do is unmap the
queue, update the priority in the mqd, and then map it again.  It's
probably more efficient to use runlists, but that is a lot of work.


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