On 2017å¹´05æ??06æ?¥ 06:57, Felix Kuehling wrote: > We ran into a similar problem when we played with priorities on KFD > queues. You can't change an MQD of a currently mapped queue. To change a > queue priority we need to unmap it, update the MQD, and then map it again. I wonder if there is similar requirement when engine soft reset happens. We encounter the issue that KIQ doesn't work any more after gfx/compute engine soft reset. Regards, David Zhou > > I wonder if a queue can change its own priority by using register write > commands in the queue itself. > > Regards, > Felix > > > On 17-05-05 06:40 PM, Alex Deucher wrote: >> 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. >> >> Alex >> _______________________________________________ >> amd-gfx mailing list >> amd-gfx at lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/amd-gfx > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
