[PATCH 19/53] drm/i915: Extract pipe control fini & make init outside accesible

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From: Oscar Mateo <oscar.mateo@xxxxxxxxx>

I plan to reuse these for the new logical ring path.

No functional changes.

Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 31 ++++++++++++++++++-------------
 drivers/gpu/drm/i915/intel_ringbuffer.h |  3 +++
 2 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 4a71dd4..254e4c5 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -574,8 +574,21 @@ out:
 	return ret;
 }
 
-static int
-init_pipe_control(struct intel_engine_cs *ring)
+void
+intel_fini_pipe_control(struct intel_engine_cs *ring)
+{
+	if (ring->scratch.obj == NULL)
+		return;
+
+	kunmap(sg_page(ring->scratch.obj->pages->sgl));
+	i915_gem_object_ggtt_unpin(ring->scratch.obj);
+
+	drm_gem_object_unreference(&ring->scratch.obj->base);
+	ring->scratch.obj = NULL;
+}
+
+int
+intel_init_pipe_control(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -648,7 +661,7 @@ static int init_render_ring(struct intel_engine_cs *ring)
 			   _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
 
 	if (INTEL_INFO(dev)->gen >= 5) {
-		ret = init_pipe_control(ring);
+		ret = intel_init_pipe_control(ring);
 		if (ret)
 			return ret;
 	}
@@ -676,16 +689,8 @@ static void render_ring_cleanup(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 
-	if (ring->scratch.obj == NULL)
-		return;
-
-	if (INTEL_INFO(dev)->gen >= 5) {
-		kunmap(sg_page(ring->scratch.obj->pages->sgl));
-		i915_gem_object_ggtt_unpin(ring->scratch.obj);
-	}
-
-	drm_gem_object_unreference(&ring->scratch.obj->base);
-	ring->scratch.obj = NULL;
+	if (INTEL_INFO(dev)->gen >= 5)
+		intel_fini_pipe_control(ring);
 }
 
 static int gen6_signal(struct intel_engine_cs *signaller,
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 599b4ed..42026a1 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -221,6 +221,9 @@ struct  intel_engine_cs {
 
 bool intel_ring_initialized(struct intel_engine_cs *ring);
 
+void intel_fini_pipe_control(struct intel_engine_cs *ring);
+int intel_init_pipe_control(struct intel_engine_cs *ring);
+
 static inline unsigned
 intel_ring_flag(struct intel_engine_cs *ring)
 {
-- 
1.9.0

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