Commit b5c7d197 authored by Robin Murphy's avatar Robin Murphy Committed by Liviu Dudau
Browse files

drm/arm/malidp: Stop using iommu_present() 



iommu_get_domain_for_dev() is already perfectly happy to return NULL
if the given device has no IOMMU. Drop the unnecessary check.

Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5049994e6c2ba92c2f30d51850c8929136d0f8ca.1649167878.git.robin.murphy@arm.com
parent c8f76c37

drivers/gpu/drm/arm/malidp_planes.c

+5 −9
Original line number Diff line number Diff line
@@ -310,17 +310,13 @@ static int malidp_se_check_scaling(struct malidp_plane *mp, 


static u32 malidp_get_pgsize_bitmap(struct malidp_plane *mp)

{

	u32 pgsize_bitmap = 0;



	if (iommu_present(&platform_bus_type)) {

		struct iommu_domain *mmu_dom =

			iommu_get_domain_for_dev(mp->base.dev->dev);

	struct iommu_domain *mmu_dom;



	mmu_dom = iommu_get_domain_for_dev(mp->base.dev->dev);

	if (mmu_dom)

			pgsize_bitmap = mmu_dom->pgsize_bitmap;

	}

		return mmu_dom->pgsize_bitmap;



	return pgsize_bitmap;

	return 0;

}



/*