Hello,
On 2015-07-02 14:49, Joonyoung Shim wrote:
> If CONFIG_ARM_DMA_USE_IOMMU is disable, CONFIG_DRM_EXYNOS_IOMMU also is
> disable. When CONFIG_DRM_EXYNOS_IOMMU is disable,
> is_drm_iommu_supported() returns always false, so we can remove to use
> ifdef CONFIG_ARM_DMA_USE_IOMMU in is_drm_iommu_supported().
>
> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---
> drivers/gpu/drm/exynos/exynos_drm_iommu.h | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h
> b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
> index 8341c7a..a90357f 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
> @@ -29,13 +29,9 @@ void drm_iommu_detach_device(struct drm_device *dev_dev,
>
> static inline bool is_drm_iommu_supported(struct drm_device *drm_dev)
> {
> -#ifdef CONFIG_ARM_DMA_USE_IOMMU
> struct device *dev = drm_dev->dev;
>
> return dev->archdata.mapping ? true : false;
> -#else
> - return false;
> -#endif
> }
>
> int drm_iommu_attach_device_if_possible(
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
