On Tue, Nov 10, 2020 at 10:43:59AM -0800, Rob Clark wrote:
> From: Rob Clark
>
> Clear the shadow rptr on suspend. Otherwise, when we resume, we can
> have a stale value until CP_WHERE_AM_I executes. If we suspend near
> the ringbuffer wraparound point, this can lead to a chicken/egg
>
From: Rob Clark
Clear the shadow rptr on suspend. Otherwise, when we resume, we can
have a stale value until CP_WHERE_AM_I executes. If we suspend near
the ringbuffer wraparound point, this can lead to a chicken/egg
situation where we are waiting for ringbuffer space to write the
CP_WHERE_AM_I
