From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 7 Mar 2018 13:42:24 +0000
Subject: drm/i915: Include ring->emit in debugging
Git-commit: ef5032a06a73ca5f40ce6975d956aa478536c411
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Include ring->emit and ring->space alongside ring->(head,tail) when
printing debug information.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180307134226.25492-4-chris@chris-wilson.co.uk

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c    |    4 ++--
 drivers/gpu/drm/i915/intel_engine_cs.c |   10 +++++++---
 2 files changed, 9 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1921,8 +1921,8 @@ static int i915_gem_framebuffer_info(str
 
 static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
 {
-	seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u)",
-		   ring->space, ring->head, ring->tail);
+	seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, emit: %u)",
+		   ring->space, ring->head, ring->tail, ring->emit);
 }
 
 static int i915_context_status(struct seq_file *m, void *unused)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1929,12 +1929,16 @@ void intel_engine_dump(struct intel_engi
 			   rq->head, rq->postfix, rq->tail,
 			   rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u,
 			   rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u);
-		drm_printf(m, "\t\tring->start: 0x%08x\n",
+		drm_printf(m, "\t\tring->start:  0x%08x\n",
 			   i915_ggtt_offset(rq->ring->vma));
-		drm_printf(m, "\t\tring->head:  0x%08x\n",
+		drm_printf(m, "\t\tring->head:   0x%08x\n",
 			   rq->ring->head);
-		drm_printf(m, "\t\tring->tail:  0x%08x\n",
+		drm_printf(m, "\t\tring->tail:   0x%08x\n",
 			   rq->ring->tail);
+		drm_printf(m, "\t\tring->emit:   0x%08x\n",
+			   rq->ring->emit);
+		drm_printf(m, "\t\tring->space:  0x%08x\n",
+			   rq->ring->space);
 	}
 
 	rcu_read_unlock();