Cycles: Some more inline policy tweaks for CUDA 8

Makes it so toolkit does exactly the same decision about what to inline,
but unfortunately it has really barely visible difference on GTX-980.

intern/cycles/kernel/kernel_shader.h

@@ -149,7 +149,12 @@ ccl_device_noinline void shader_setup_from_ray(KernelGlobals *kg,
 /* ShaderData setup from BSSRDF scatter */
 
 #ifdef __SUBSURFACE__
-ccl_device void shader_setup_from_subsurface(
+#  ifndef __KERNEL_CUDS__
+ccl_device
+#  else
+ccl_device_inline
+#  endif
+void shader_setup_from_subsurface(
         KernelGlobals *kg,
         ShaderData *sd,
         const Intersection *isect,
@@ -533,12 +538,18 @@ ccl_device_inline void _shader_bsdf_multi_eval_branched(KernelGlobals *kg,
 }
 #endif
 
-ccl_device void shader_bsdf_eval(KernelGlobals *kg,
-                                 ShaderData *sd,
-                                 const float3 omega_in,
-                                 BsdfEval *eval,
-                                 float light_pdf,
-                                 bool use_mis)
+
+#ifndef __KERNEL_CUDS__
+ccl_device
+#else
+ccl_device_inline
+#endif
+void shader_bsdf_eval(KernelGlobals *kg,
+                      ShaderData *sd,
+                      const float3 omega_in,
+                      BsdfEval *eval,
+                      float light_pdf,
+                      bool use_mis)
 {
 	bsdf_eval_init(eval, NBUILTIN_CLOSURES, make_float3(0.0f, 0.0f, 0.0f), kernel_data.film.use_light_pass);