drm/exynos: use drm_calloc_large when allocates pointer array

If the type of object is pointer array, the drm_calloc_large() is
more suitable than kzalloc() for its allocation function. And uses
drm_free_large() instead of kfree() also.

Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

2 files changed, 7 insertions, 8 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 22865baa03b1..245c9ae187a1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -57,8 +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,
-                                        GFP_KERNEL);
+                buf->pages = drm_calloc_large(nr_pages, sizeof(struct page));
                 if (!buf->pages) {
                         DRM_ERROR("failed to allocate pages.\n");
                         return -ENOMEM;
@@ -69,7 +68,7 @@ static int lowlevel_buffer_allocate(struct drm_device *dev,
                                         &buf->dma_attrs);
                 if (!buf->kvaddr) {
                         DRM_ERROR("failed to allocate buffer.\n");
-                        kfree(buf->pages);
+                        drm_free_large(buf->pages);
                         return -ENOMEM;
                 }
 
@@ -109,7 +108,7 @@ err_free_attrs:
         buf->dma_addr = (dma_addr_t)NULL;
 
         if (!is_drm_iommu_supported(dev))
-                kfree(buf->pages);
+                drm_free_large(buf->pages);
 
         return ret;
 }
@@ -134,7 +133,7 @@ static void lowlevel_buffer_deallocate(struct drm_device *dev,
         if (!is_drm_iommu_supported(dev)) {
                 dma_free_attrs(dev->dev, buf->size, buf->kvaddr,
                                 (dma_addr_t)buf->dma_addr, &buf->dma_attrs);
-                kfree(buf->pages);
+                drm_free_large(buf->pages);
         } else
                 dma_free_attrs(dev->dev, buf->size, buf->pages,
                                 (dma_addr_t)buf->dma_addr, &buf->dma_attrs);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index af75434ee4d7..fb19ee53ecbb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -390,7 +390,7 @@ out:
         kfree(g2d_userptr->sgt);
         g2d_userptr->sgt = NULL;
 
-        kfree(g2d_userptr->pages);
+        drm_free_large(g2d_userptr->pages);
         g2d_userptr->pages = NULL;
         kfree(g2d_userptr);
         g2d_userptr = NULL;
@@ -463,7 +463,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
         npages = (end - start) >> PAGE_SHIFT;
         g2d_userptr->npages = npages;
 
-        pages = kzalloc(npages * sizeof(struct page *), GFP_KERNEL);
+        pages = drm_calloc_large(npages, sizeof(struct page *));
         if (!pages) {
                 DRM_ERROR("failed to allocate pages.\n");
                 kfree(g2d_userptr);
@@ -554,7 +554,7 @@ err_put_vma:
         exynos_gem_put_vma(g2d_userptr->vma);
 
 err_free_pages:
-        kfree(pages);
+        drm_free_large(pages);
         kfree(g2d_userptr);
         pages = NULL;
         g2d_userptr = NULL;