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path: root/drivers/gpu/drm/arm/malidp_planes.c
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Diffstat (limited to 'drivers/gpu/drm/arm/malidp_planes.c')
-rw-r--r--drivers/gpu/drm/arm/malidp_planes.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 0562bdaac00ce..338cec4a3fff7 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -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;
+ struct iommu_domain *mmu_dom;
- if (iommu_present(&platform_bus_type)) {
- struct iommu_domain *mmu_dom =
- iommu_get_domain_for_dev(mp->base.dev->dev);
+ mmu_dom = iommu_get_domain_for_dev(mp->base.dev->dev);
+ if (mmu_dom)
+ return mmu_dom->pgsize_bitmap;
- if (mmu_dom)
- pgsize_bitmap = mmu_dom->pgsize_bitmap;
- }
-
- return pgsize_bitmap;
+ return 0;
}
/*
@@ -348,7 +344,7 @@ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms,
else
sgt = obj->funcs->get_sg_table(obj);
- if (!sgt)
+ if (IS_ERR(sgt))
return false;
sgl = sgt->sgl;