#ifndef _DRM_CACHE_H_
#define _DRM_CACHE_H_
+#include <linux/scatterlist.h>
+
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+void drm_clflush_sg(struct sg_table *st);
+void drm_clflush_virt_range(void *addr, unsigned long length);
static inline bool drm_arch_can_wc_memory(void)
{