On Wed, Jul 23, 2014 at 9:26 AM, Christian König <deathsim...@vodafone.de> wrote: > It's not a locking problem I'm talking about here. Radeons lockup handling > kicks in when anything calls into the driver from the outside, if you have a > fence wait function that's called from the outside but doesn't handle > lockups you essentially rely on somebody else calling another radeon > function for the lockup to be resolved.
So you don't have a timer in radeon that periodically checks whether progress is still being made? That's the approach we're using in i915, together with some tricks to kick any stuck waiters so that we can reliably step in and grab locks for the reset. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
