drm/tegra: gem: Return 64-bit offset for mmap(2)

On 64-bit targets, tegra_gem_mmap() only returns a partial offset to userspace. As such, subsequent calls to mmap(2) may fail. Change the arguments to use a 64-bit offset to fix this. Signed-off-by: Sean Paul <[email protected]> Acked-by: Erik Faye-Lund <[email protected]> [[email protected]: tweak commit message] Signed-off-by: Thierry Reding <[email protected]>
cbmeeks · Apr 2, 2015 · bdf7650 · bdf7650
1 parent 5c1c071
commit bdf7650
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/include/uapi/drm/tegra_drm.h b/include/uapi/drm/tegra_drm.h
@@ -36,7 +36,8 @@ struct drm_tegra_gem_create {
 
 struct drm_tegra_gem_mmap {
 	__u32 handle;
-	__u32 offset;
+	__u32 pad;
+	__u64 offset;
 };
 
 struct drm_tegra_syncpt_read {