tegra: Implement drm_tegra_bo_{get,set}_flags()

These two functions are simple wrappers around the corresponding IOCTLs
and operate on drm_tegra_bo objects.

Signed-off-by: Thierry Reding <treding@nvidia.com>

2 files changed, 49 insertions, 0 deletions

diff --git a/tegra/tegra.c b/tegra/tegra.c
index ec5bf76c..614ab965 100644
--- a/tegra/tegra.c
+++ b/tegra/tegra.c
@@ -246,3 +246,49 @@ int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)
 
         return 0;
 }
+
+drm_public
+int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)
+{
+        struct drm_tegra_gem_get_flags 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_FLAGS, &args,
+                                  sizeof(args));
+        if (err < 0)
+                return -errno;
+
+        if (flags)
+                *flags = args.flags;
+
+        return 0;
+}
+
+drm_public
+int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)
+{
+        struct drm_tegra_gem_get_flags args;
+        struct drm_tegra *drm = bo->drm;
+        int err;
+
+        if (!bo)
+                return -EINVAL;
+
+        memset(&args, 0, sizeof(args));
+        args.handle = bo->handle;
+        args.flags = flags;
+
+        err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_FLAGS, &args,
+                                  sizeof(args));
+        if (err < 0)
+                return -errno;
+
+        return 0;
+}
diff --git a/tegra/tegra.h b/tegra/tegra.h
index ed29505d..a8624180 100644
--- a/tegra/tegra.h
+++ b/tegra/tegra.h
@@ -44,4 +44,7 @@ int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle);
 int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr);
 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);
+
 #endif /* __DRM_TEGRA_H__ */