Code review fixes.

Author: asmorkalov

modules/cudastereo/src/cuda/stereobm.cu

@@ -502,11 +502,8 @@ namespace cv { namespace cuda { namespace device
             if (winsz2 == 0 || winsz2 >= calles_num)
                 CV_Error(cv::Error::StsBadArg, "Unsupported window size");
 
-            //cudaSafeCall( cudaFuncSetCacheConfig(&stereoKernel, cudaFuncCachePreferL1) );
-            //cudaSafeCall( cudaFuncSetCacheConfig(&stereoKernel, cudaFuncCachePreferShared) );
-
-            cudaSafeCall( cudaMemset2D(disp.data, disp.step, 0, disp.cols, disp.rows) );
-            cudaSafeCall( cudaMemset2D(minSSD_buf.data, minSSD_buf.step, 0xFF, minSSD_buf.cols * minSSD_buf.elemSize(), disp.rows) );
+            cudaSafeCall( cudaMemset2DAsync(disp.data, disp.step, 0, disp.cols, disp.rows, stream) );
+            cudaSafeCall( cudaMemset2DAsync(minSSD_buf.data, minSSD_buf.step, 0xFF, minSSD_buf.cols * minSSD_buf.elemSize(), disp.rows, stream) );
 
             size_t minssd_step = minSSD_buf.step/minSSD_buf.elemSize();
             callers[winsz2](left, right, disp, maxdisp, uniquenessRatio, minSSD_buf.data, minssd_step, left.cols, left.rows, stream);