On Tue, Oct 04, 2016 at 03:35:20PM +0300, Mika Kuoppala wrote:
> Chris Wilson writes:
> > + rcu_read_unlock();
> > +
> > + addr = intel_engine_get_active_head(engine);
> > + seq_printf(m, "\tACTHD: 0x%08x_%08x\n",
> > + upper_32_bits(addr), lower
Chris Wilson writes:
> Knowing where the RINGs are pointing is extremely useful in diagnosing
> if the engines are executing the ringbuffers you expect - and igt may be
> suppressing the usual method of looking in the GPU error state.
>
> Signed-off-by: Chris Wilson
> Cc: Mika Kuoppala
> ---
>
Knowing where the RINGs are pointing is extremely useful in diagnosing
if the engines are executing the ringbuffers you expect - and igt may be
suppressing the usual method of looking in the GPU error state.
Signed-off-by: Chris Wilson
Cc: Mika Kuoppala
---
drivers/gpu/drm/i915/i915_debugfs.c
