[via] Allow a little larger stride for SG DMA DownloadFromScreen.

diff --git a/linux-core/via_dmablit.c b/linux-core/via_dmablit.c
index a6a2178..b5f9f05 100644 (file)
--- a/linux-core/via_dmablit.c
+++ b/linux-core/via_dmablit.c
@@ -618,7 +618,7 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli
         * (Not a big limitation anyway.)
         */
 
-       if ((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) {
+       if ((xfer->mem_stride - xfer->line_length) > 2*PAGE_SIZE) {
                DRM_ERROR("Too large system memory stride. Stride: %d, "
                          "Length: %d\n", xfer->mem_stride, xfer->line_length);
                return -EINVAL;