[PATCH v5 2/6] drm/i915/gen8: Re-order init pipe_control in lrc mode

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Some of the WA applied using WA batch buffers perform writes to scratch page.
In the current flow WA are initialized before scratch obj is allocated.
This patch reorders intel_init_pipe_control() to have a valid scratch obj
before we initialize WA.

Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Dave Gordon <david.s.gordon@xxxxxxxxx>
Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
Signed-off-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_lrc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 8cc851dd..62486cd 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1636,7 +1636,8 @@ static int logical_render_ring_init(struct drm_device *dev)
 	ring->emit_bb_start = gen8_emit_bb_start;
 
 	ring->dev = dev;
-	ret = logical_ring_init(dev, ring);
+
+	ret = intel_init_pipe_control(ring);
 	if (ret)
 		return ret;
 
@@ -1648,7 +1649,7 @@ static int logical_render_ring_init(struct drm_device *dev)
 		}
 	}
 
-	ret = intel_init_pipe_control(ring);
+	ret = logical_ring_init(dev, ring);
 	if (ret) {
 		if (ring->wa_ctx.obj)
 			lrc_destroy_wa_ctx_obj(ring);
-- 
2.3.0

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