From: Inki Dae <inki.dae@samsung.com>
Date: Mon, 23 Apr 2012 10:47:18 +0000 (+0900)
Subject: drm/exynos: added missed vm area region mapping type.
X-Git-Tag: v3.4-rc5~14^2~3^2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=818c4ea7c589c521912430ea54e0c0a0671b2c6d;p=karo-tx-linux.git

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>
---

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) {