From: YoungJun Cho <yj44....@samsung.com>
When drm iommu is not supported, buf->pages has to be allocated
and assigned to phys_to_page() result, which type is struct page *.
So it is sufficient to allocate buf->pages with multiple struct
page pointer size.
Signed-off-by: YoungJun Cho <yj44.cho at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_buf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c
b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 22865ba..3200622 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -57,7 +57,7 @@ static int lowlevel_buffer_allocate(struct drm_device *dev,
dma_addr_t start_addr;
unsigned int i = 0;
- buf->pages = kzalloc(sizeof(struct page) * nr_pages,
+ buf->pages = kzalloc(sizeof(struct page *) * nr_pages,
GFP_KERNEL);
if (!buf->pages) {
DRM_ERROR("failed to allocate pages.\n");
--
1.7.9.5
