[PATCH i-g-t 5/8] lib/intel_batchbuffer: move engine class selection to helper

[Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>]

move engine class selection to helper to avoid duplicate code

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
---
 lib/intel_batchbuffer.c | 42 +++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c
index cfafaecd0..a3fa58b4f 100644
--- a/lib/intel_batchbuffer.c
+++ b/lib/intel_batchbuffer.c
@@ -2468,6 +2468,26 @@ static void update_offsets(struct intel_bb *ibb,
 	}
 }
 
+static unsigned short get_engine_class(int fd, uint64_t flags)
+{
+	switch (flags & I915_EXEC_RING_MASK) {
+	case I915_EXEC_DEFAULT:
+	case I915_EXEC_BLT:
+		return DRM_XE_ENGINE_CLASS_COPY;
+	case I915_EXEC_BSD:
+		return DRM_XE_ENGINE_CLASS_VIDEO_DECODE;
+	case I915_EXEC_RENDER:
+		if (xe_has_engine_class(fd, DRM_XE_ENGINE_CLASS_RENDER))
+			return DRM_XE_ENGINE_CLASS_RENDER;
+		else
+			return DRM_XE_ENGINE_CLASS_COMPUTE;
+	case I915_EXEC_VEBOX:
+		return DRM_XE_ENGINE_CLASS_VIDEO_ENHANCE;
+	default:
+		igt_assert_f(false, "Unknown engine: %x", (uint32_t)flags);
+	}
+}
+
 #define LINELEN 76
 
 /*
@@ -2510,26 +2530,8 @@ int __xe_bb_exec(struct intel_bb *ibb, uint64_t flags, bool sync)
 		inst.engine_instance =
 			(flags & I915_EXEC_BSD_MASK) >> I915_EXEC_BSD_SHIFT;
 
-		switch (flags & I915_EXEC_RING_MASK) {
-		case I915_EXEC_DEFAULT:
-		case I915_EXEC_BLT:
-			inst.engine_class = DRM_XE_ENGINE_CLASS_COPY;
-			break;
-		case I915_EXEC_BSD:
-			inst.engine_class = DRM_XE_ENGINE_CLASS_VIDEO_DECODE;
-			break;
-		case I915_EXEC_RENDER:
-			if (xe_has_engine_class(ibb->fd, DRM_XE_ENGINE_CLASS_RENDER))
-				inst.engine_class = DRM_XE_ENGINE_CLASS_RENDER;
-			else
-				inst.engine_class = DRM_XE_ENGINE_CLASS_COMPUTE;
-			break;
-		case I915_EXEC_VEBOX:
-			inst.engine_class = DRM_XE_ENGINE_CLASS_VIDEO_ENHANCE;
-			break;
-		default:
-			igt_assert_f(false, "Unknown engine: %x", (uint32_t) flags);
-		}
+		inst.engine_class = get_engine_class(ibb->fd, flags);
+
 		igt_debug("Run on %s\n", xe_engine_class_string(inst.engine_class));
 
 		if (ibb->engine_id)
-- 
2.43.0