Mika Kuoppala <[email protected]> writes: > On kbl evidence indicates that even if the hardware happily > tells us to proceed with reset, it really isn't ready. > Resetting a freely running batchbuffer after we have ack for readiness, > still can cause a system hang. > > We also have similar experiences on older gens. So now > attempt to stop engines before proceeding for reset, on all > gens where we have a gpu reset. This has shown to improve reset > reliability and reduce the risk of losing the machine. > > v2: Add fixme for wa (Joonas) > > Testcase: igt/prime_busy/hang-* # kbl > Cc: Joonas Lahtinen <[email protected]> > Cc: Chris Wilson <[email protected]> > Cc: Ville Syrjälä <[email protected]> > Signed-off-by: Mika Kuoppala <[email protected]> > Acked-by: Chris Wilson <[email protected]> > Acked-by: Joonas Lahtinen <[email protected]>
Pushed, thanks for acks. -Mika _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
