1 files changed, 2 insertions, 1 deletions
diff --git a/linux/vm.c b/linux/vm.c
index 85470ac5..389f2fae 100644
--- a/linux/vm.c
+++ b/linux/vm.c
@@ -250,9 +250,10 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 	switch (map->type) {
 	case _DRM_FRAME_BUFFER:
 	case _DRM_REGISTERS:
+	case _DRM_AGP:
 		if (VM_OFFSET(vma) >= __pa(high_memory)) {
 #if defined(__i386__)
-			if (boot_cpu_data.x86 > 3) {
+			if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
 				pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
 				pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
 			}