[RFC v3 16/45] drm/rockship: dma-mapping: Use unsigned long for dma_attrs
From: Krzysztof Kozlowski <hidden>
Date: 2016-06-02 15:41:17
Also in:
linux-iommu, linuxppc-dev
Subsystem:
arm/rockchip soc support, drm drivers, drm drivers and misc gpu patches, drm drivers for rockchip, the rest · Maintainers:
Heiko Stuebner, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Sandy Huang, Heiko Stübner, Andy Yan, Linus Torvalds
Split out subsystem specific changes for easier reviews. This will be squashed with main commit. Signed-off-by: Krzysztof Kozlowski <redacted> --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 17 +++++++---------- drivers/gpu/drm/rockchip/rockchip_drm_gem.h | 2 +- 2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 9c2d8a894093..7b1788e2a808 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c@@ -17,8 +17,6 @@ #include <drm/drm_gem.h> #include <drm/drm_vma_manager.h> -#include <linux/dma-attrs.h> - #include "rockchip_drm_drv.h" #include "rockchip_drm_gem.h"
@@ -28,15 +26,14 @@ static int rockchip_gem_alloc_buf(struct rockchip_gem_object *rk_obj, struct drm_gem_object *obj = &rk_obj->base; struct drm_device *drm = obj->dev; - init_dma_attrs(&rk_obj->dma_attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &rk_obj->dma_attrs); + rk_obj->dma_attrs = DMA_ATTR_WRITE_COMBINE; if (!alloc_kmap) - dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &rk_obj->dma_attrs); + rk_obj->dma_attrs |= DMA_ATTR_NO_KERNEL_MAPPING; rk_obj->kvaddr = dma_alloc_attrs(drm->dev, obj->size, &rk_obj->dma_addr, GFP_KERNEL, - &rk_obj->dma_attrs); + rk_obj->dma_attrs); if (!rk_obj->kvaddr) { DRM_ERROR("failed to allocate %#x byte dma buffer", obj->size); return -ENOMEM;
@@ -51,7 +48,7 @@ static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj) struct drm_device *drm = obj->dev; dma_free_attrs(drm->dev, obj->size, rk_obj->kvaddr, rk_obj->dma_addr, - &rk_obj->dma_attrs); + rk_obj->dma_attrs); } static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj,
@@ -70,7 +67,7 @@ static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, vma->vm_pgoff = 0; ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, - obj->size, &rk_obj->dma_attrs); + obj->size, rk_obj->dma_attrs); if (ret) drm_gem_vm_close(vma);
@@ -262,7 +259,7 @@ struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj) ret = dma_get_sgtable_attrs(drm->dev, sgt, rk_obj->kvaddr, rk_obj->dma_addr, obj->size, - &rk_obj->dma_attrs); + rk_obj->dma_attrs); if (ret) { DRM_ERROR("failed to allocate sgt, %d\n", ret); kfree(sgt);
@@ -276,7 +273,7 @@ void *rockchip_gem_prime_vmap(struct drm_gem_object *obj) { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); - if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, &rk_obj->dma_attrs)) + if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, rk_obj->dma_attrs)) return NULL; return rk_obj->kvaddr;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
index ad22618473a4..18b3488db4ec 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h@@ -23,7 +23,7 @@ struct rockchip_gem_object { void *kvaddr; dma_addr_t dma_addr; - struct dma_attrs dma_attrs; + unsigned long dma_attrs; }; struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj);
--
1.9.1