[Intel-gfx] [PATCH 04/14] drm/i915: Pull waiting on an external dma-fence into its routine

[Chris Wilson <chris@chris-wilson.co.uk>]

As a means for a small code consolidation, but primarily to start
thinking more carefully about internal-vs-external linkage, pull the
pair of i915_sw_fence_await_dma_fence() calls into a common routine.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_request.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index d4cbdee5a89a..dfb1e86ffc7f 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1067,6 +1067,14 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
 	return 0;
 }
 
+static int
+i915_request_await_external(struct i915_request *rq, struct dma_fence *fence)
+{
+	return i915_sw_fence_await_dma_fence(&rq->submit, fence,
+					     fence->context ? I915_FENCE_TIMEOUT : 0,
+					     I915_FENCE_GFP);
+}
+
 int
 i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence)
 {
@@ -1114,9 +1122,7 @@ i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence)
 		if (dma_fence_is_i915(fence))
 			ret = i915_request_await_request(rq, to_request(fence));
 		else
-			ret = i915_sw_fence_await_dma_fence(&rq->submit, fence,
-							    fence->context ? I915_FENCE_TIMEOUT : 0,
-							    I915_FENCE_GFP);
+			ret = i915_request_await_external(rq, fence);
 		if (ret < 0)
 			return ret;
 
@@ -1255,9 +1261,7 @@ i915_request_await_execution(struct i915_request *rq,
 							     to_request(fence),
 							     hook);
 		else
-			ret = i915_sw_fence_await_dma_fence(&rq->submit, fence,
-							    I915_FENCE_TIMEOUT,
-							    GFP_KERNEL);
+			ret = i915_request_await_external(rq, fence);
 		if (ret < 0)
 			return ret;
 	} while (--nchild);
-- 
2.20.1

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