[PATCH] drm/i915: Emit even number of dwords when emitting LRIs

[Arun Siluvery <arun.siluvery@linux.intel.com>]

The number of DWords should be even when doing ring emits as
command sequences require QWord alignment.

Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 12a546f..79211ae 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -680,7 +680,7 @@ static int intel_ring_workarounds_emit(struct intel_engine_cs *ring)
 	if (ret)
 		return ret;
 
-	ret = intel_ring_begin(ring, w->count * 3);
+	ret = intel_ring_begin(ring, w->count * 4);
 	if (ret)
 		return ret;
 
@@ -688,6 +688,7 @@ static int intel_ring_workarounds_emit(struct intel_engine_cs *ring)
 		intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
 		intel_ring_emit(ring, w->reg[i].addr);
 		intel_ring_emit(ring, w->reg[i].value);
+		intel_ring_emit(ring, MI_NOOP);
 	}
 
 	intel_ring_advance(ring);
-- 
2.1.2