diff options
Diffstat (limited to 'patches.tizen/0555-drm-exynos-use-drm_calloc_large-when-allocates-point.patch')
| -rw-r--r-- | patches.tizen/0555-drm-exynos-use-drm_calloc_large-when-allocates-point.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/patches.tizen/0555-drm-exynos-use-drm_calloc_large-when-allocates-point.patch b/patches.tizen/0555-drm-exynos-use-drm_calloc_large-when-allocates-point.patch new file mode 100644 index 00000000000..54eb2216ef2 --- /dev/null +++ b/patches.tizen/0555-drm-exynos-use-drm_calloc_large-when-allocates-point.patch @@ -0,0 +1,95 @@ +From 9a067752114cfd0886bada6a48f48d852f9c3979 Mon Sep 17 00:00:00 2001 +From: YoungJun Cho <yj44.cho@samsung.com> +Date: Wed, 3 Jul 2013 17:09:19 +0900 +Subject: [PATCH 0555/1302] 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> +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/gpu/drm/exynos/exynos_drm_buf.c | 9 ++++----- + drivers/gpu/drm/exynos/exynos_drm_g2d.c | 6 +++--- + 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 ed5c694..01c8e33 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 1eb2a2a..8e8678d 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; +@@ -461,7 +461,7 @@ 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); +@@ -551,7 +551,7 @@ 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; +-- +1.8.3.2 + |