Hi Krzysztof, > Hi Nitin, > > [...] > > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13650 > [...] > > > ENGINE_READ_FW(engine, RING_START)); > > + /* > > + * Sometimes engine head failed to set to zero even after writing > into it. > > + * Use 20ms delay to let engine resumes from correct > RING_HEAD. > > + * Experimented different values and determined that 20ms > works best > > + * based on testing. > > + */ > > + mdelay(20); > Since we do not propagate the errors returned from `stop_ring()` function and the > linked issue is not a failure, because the subtest succeeds, I wonder if we could > lower the severity of this log to a warning. > > Regardless of whether you consider my suggestion or not, the patch looks good to > me: > Thank you for the review. I'm not sure about severity of this log and I think it's intentionally kept as error for some corner case. But, your point is also seems valid. I would like to handle this in separate patch. - Nitin > Reviewed-by: Krzysztof Karas <krzysztof.karas@xxxxxxxxx> > > Best Regards, > Krzysztof
