drm/exynos: fix layering violation of address

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / exynos / exynos_drm_gem.c

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index f12fbc36b120065902c50253a4e91e9cc8952df5..a4fb78e430345b4d3af60328d6a835aaa0c35c58 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -77,7 +77,8 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem_obj *obj)
 
                start_addr = obj->dma_addr;
                while (i < nr_pages) {
-                       obj->pages[i] = phys_to_page(start_addr);
+                       obj->pages[i] = pfn_to_page(dma_to_pfn(dev->dev,
+                                                              start_addr));
                        start_addr += PAGE_SIZE;
                        i++;
                }