Re: [Intel-gfx] [PATCH 7/8] drm/i915: Show RING registers through debugfs

2016-10-04 Thread Chris Wilson
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", > > +

Re: [Intel-gfx] [PATCH 7/8] drm/i915: Show RING registers through debugfs

2016-10-04 Thread Mika Kuoppala
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

[Intel-gfx] [PATCH 7/8] drm/i915: Show RING registers through debugfs

2016-10-03 Thread Chris Wilson
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