Loongson has SWIOTLB configured, if without this patch kernel compilation fails.

Signed-off-by: Huacai Chen chenhc@lemote.com Signed-off-by: Hongliang Tao taohl@lemote.com Signed-off-by: Hua Yan yanh@lemote.com Cc: dri-devel@lists.freedesktop.org --- drivers/gpu/drm/radeon/radeon_ttm.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 5b71c71..fc3ac22 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -41,6 +41,10 @@ #include "radeon_reg.h" #include "radeon.h"

+#ifdef CONFIG_SWIOTLB +#include <linux/swiotlb.h> +#endif + #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)

static int radeon_ttm_debugfs_init(struct radeon_device *rdev);