summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
index 6336fdc70433..72bd0107a00c 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
@@ -87,11 +87,14 @@ static int etnaviv_iommuv2_map(struct etnaviv_iommu_domain *domain,
struct etnaviv_iommuv2_domain *etnaviv_domain =
to_etnaviv_domain(domain);
int mtlb_entry, stlb_entry, ret;
- u32 entry = (u32)paddr | MMUv2_PTE_PRESENT;
+ u32 entry = lower_32_bits(paddr) | MMUv2_PTE_PRESENT;
if (size != SZ_4K)
return -EINVAL;
+ if (IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT))
+ entry |= (upper_32_bits(paddr) & 0xff) << 4;
+
if (prot & ETNAVIV_PROT_WRITE)
entry |= MMUv2_PTE_WRITEABLE;