drm/tegra: Track tiling and format in plane state

Tracking these in the plane state allows them to be computed in the
->atomic_check() callback and reused when applying the configuration in
->atomic_update().

Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index b1c7027..8cb2dfe 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -170,13 +170,13 @@
 		unsigned int h;
 	} dst;
 	unsigned int bits_per_pixel;
-	unsigned int format;
-	unsigned int swap;
 	unsigned int stride[2];
 	unsigned long base[3];
 	bool bottom_up;
 
 	struct tegra_bo_tiling tiling;
+	u32 format;
+	u32 swap;
 };
 
 /* from dc.c */