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>
---
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(
--
1.9.1
