From: Kenneth Graunke <kenneth@whitecape.org>
Date: Fri, 27 Jun 2014 23:04:20 +0000 (+0300)
Subject: drm/i915: Refactor Broadwell PIPE_CONTROL emission into a helper.
X-Git-Tag: v6.6-pxa1908~22827^2~7
X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=884ceacee308f0e4616d0c933518af2639f7b1d8;p=linux.git

drm/i915: Refactor Broadwell PIPE_CONTROL emission into a helper.

We'll want to reuse this for a workaround.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Rmove now unused int.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b3d8f766fa7f..2908896334f5 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -379,13 +379,33 @@ gen7_render_ring_flush(struct intel_engine_cs *ring,
 	return 0;
 }
 
+static int
+gen8_emit_pipe_control(struct intel_engine_cs *ring,
+		       u32 flags, u32 scratch_addr)
+{
+	int ret;
+
+	ret = intel_ring_begin(ring, 6);
+	if (ret)
+		return ret;
+
+	intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
+	intel_ring_emit(ring, flags);
+	intel_ring_emit(ring, scratch_addr);
+	intel_ring_emit(ring, 0);
+	intel_ring_emit(ring, 0);
+	intel_ring_emit(ring, 0);
+	intel_ring_advance(ring);
+
+	return 0;
+}
+
 static int
 gen8_render_ring_flush(struct intel_engine_cs *ring,
 		       u32 invalidate_domains, u32 flush_domains)
 {
 	u32 flags = 0;
 	u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
-	int ret;
 
 	flags |= PIPE_CONTROL_CS_STALL;
 
@@ -404,20 +424,7 @@ gen8_render_ring_flush(struct intel_engine_cs *ring,
 		flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
 	}
 
-	ret = intel_ring_begin(ring, 6);
-	if (ret)
-		return ret;
-
-	intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
-	intel_ring_emit(ring, flags);
-	intel_ring_emit(ring, scratch_addr);
-	intel_ring_emit(ring, 0);
-	intel_ring_emit(ring, 0);
-	intel_ring_emit(ring, 0);
-	intel_ring_advance(ring);
-
-	return 0;
-
+	return gen8_emit_pipe_control(ring, flags, scratch_addr);
 }
 
 static void ring_write_tail(struct intel_engine_cs *ring,