2 files changed, 61 insertions, 0 deletions

diff --git a/tegra/tegra.c b/tegra/tegra.c
index 614ab965..f8d40786 100644
--- a/tegra/tegra.c
+++ b/tegra/tegra.c
@@ -292,3 +292,54 @@ int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)
 
         return 0;
 }
+
+drm_public
+int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,
+                            struct drm_tegra_bo_tiling *tiling)
+{
+        struct drm_tegra_gem_get_tiling args;
+        struct drm_tegra *drm = bo->drm;
+        int err;
+
+        if (!bo)
+                return -EINVAL;
+
+        memset(&args, 0, sizeof(args));
+        args.handle = bo->handle;
+
+        err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_TILING, &args,
+                                  sizeof(args));
+        if (err < 0)
+                return -errno;
+
+        if (tiling) {
+                tiling->mode = args.mode;
+                tiling->value = args.value;
+        }
+
+        return 0;
+}
+
+drm_public
+int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,
+                            const struct drm_tegra_bo_tiling *tiling)
+{
+        struct drm_tegra_gem_set_tiling args;
+        struct drm_tegra *drm = bo->drm;
+        int err;
+
+        if (!bo)
+                return -EINVAL;
+
+        memset(&args, 0, sizeof(args));
+        args.handle = bo->handle;
+        args.mode = tiling->mode;
+        args.value = tiling->value;
+
+        err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_TILING, &args,
+                                  sizeof(args));
+        if (err < 0)
+                return -errno;
+
+        return 0;
+}
diff --git a/tegra/tegra.h b/tegra/tegra.h
index a8624180..31b0995a 100644
--- a/tegra/tegra.h
+++ b/tegra/tegra.h
@@ -47,4 +47,14 @@ int drm_tegra_bo_unmap(struct drm_tegra_bo *bo);
 int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags);
 int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags);
 
+struct drm_tegra_bo_tiling {
+        uint32_t mode;
+        uint32_t value;
+};
+
+int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,
+                            struct drm_tegra_bo_tiling *tiling);
+int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,
+                            const struct drm_tegra_bo_tiling *tiling);
+
 #endif /* __DRM_TEGRA_H__ */