Allwinner H6 SoC has a Mali T720MP2 with a 33-bit iommu which trig the sanity check during the alloc of the pgtable. Change the sanity check to allow non 48-bit configuration. Suggested-by: Robin Murphy <robin.murphy@xxxxxxx> Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx> --- drivers/iommu/io-pgtable-arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 4e21efbc4459..74f2ce802e6f 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -1016,7 +1016,7 @@ arm_mali_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie) { struct io_pgtable *iop; - if (cfg->ias != 48 || cfg->oas > 40) + if (cfg->ias > 48 || cfg->oas > 40) return NULL; cfg->pgsize_bitmap &= (SZ_4K | SZ_2M | SZ_1G); -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel