From 818c4ea7c589c521912430ea54e0c0a0671b2c6d Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Mon, 23 Apr 2012 19:47:18 +0900
Subject: [PATCH] drm/exynos: added missed vm area region mapping type.
with this patch, if the memory region is physically non-continuous
then VM_MIXEDMAP is set to vm->vm_flags otherwise VM_PFNMAP.
we had missed this flag setting.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index f09d292a2e37..01139c813953 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -514,6 +514,8 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
if (!buffer->pages)
return -EINVAL;
+ vma->vm_flags |= VM_MIXEDMAP;
+
do {
ret = vm_insert_page(vma, uaddr, buffer->pages[i++]);
if (ret) {
--
2.30.9