gpu: Add export.h as required to drivers/gpu files.
They need this to get all the EXPORT_SYMBOL variants and THIS_MODULE
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8e95d66..d14b44e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -29,6 +29,7 @@
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
+#include <linux/export.h>
#include "drmP.h"
#include "drm.h"
#include "intel_drv.h"