On Fri, Jan 26, 2018 at 11:17:01PM +, Chris Wilson wrote:
> Quoting Rafael Antognolli (2018-01-26 23:05:24)
> > This workaround should prevent a bug that can be hit on a context
> > restore. To avoid the issue, we must emit a PIPE_CONTROL with CS stall
> > (0x7a04 0x0010 0x 0x00
Quoting Rafael Antognolli (2018-01-26 23:05:24)
> This workaround should prevent a bug that can be hit on a context
> restore. To avoid the issue, we must emit a PIPE_CONTROL with CS stall
> (0x7a04 0x0010 0x 0x) followed by 12DW's of
> NOOP(0x0) in the indirect context batc
This workaround should prevent a bug that can be hit on a context
restore. To avoid the issue, we must emit a PIPE_CONTROL with CS stall
(0x7a04 0x0010 0x 0x) followed by 12DW's of
NOOP(0x0) in the indirect context batch buffer, to ensure the engine is
idle prior to programm