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* [PATCH] drm/i915: Include RING_MODE when dumping the engine state
@ 2017-10-26 11:50 Chris Wilson
  2017-10-26 12:14 ` ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Chris Wilson @ 2017-10-26 11:50 UTC (permalink / raw)
  To: intel-gfx

Knowing the RING_MODE flags is useful for checking the state of the
engine, such as whether the CS is idle after trying to stop the engines
before reset.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index fedb839dff61..e676e345c453 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1726,6 +1726,11 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
 	drm_printf(m, "\tRING_CTL:   0x%08x [%s]\n",
 		   I915_READ(RING_CTL(engine->mmio_base)),
 		   I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : "");
+	if (INTEL_GEN(engine->i915) > 2) {
+		drm_printf(m, "\tRING_MODE:  0x%08x [%s]\n",
+			   I915_READ(RING_MI_MODE(engine->mmio_base)),
+			   I915_READ(RING_MI_MODE(engine->mmio_base)) & (MODE_IDLE) ? "idle" : "");
+	}
 
 	rcu_read_unlock();
 
-- 
2.15.0.rc2

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^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2017-10-26 21:38 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-10-26 11:50 [PATCH] drm/i915: Include RING_MODE when dumping the engine state Chris Wilson
2017-10-26 12:14 ` ✓ Fi.CI.BAT: success for " Patchwork
2017-10-26 13:49 ` [PATCH] " Mika Kuoppala
2017-10-26 21:38   ` Chris Wilson
2017-10-26 14:53 ` ✓ Fi.CI.IGT: success for " Patchwork

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