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drm/etnaviv: initialize iommu domain page size

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Since d16e0faab91 (iommu: Allow selecting page sizes per domain) the
iommu core demands the page size to be set per domain, otherwise any
mapping attempts will be dropped. Make sure to set a valid page size
for the etnaviv iommu.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Lucas Stach
2016-06-13 18:28:42 +02:00
parent 1a695a905c
commit 13c34fe518
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/etnaviv/etnaviv_iommu.c
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@ -225,6 +225,7 @@ struct iommu_domain *etnaviv_iommu_domain_alloc(struct etnaviv_gpu *gpu)
etnaviv_domain->domain.type = __IOMMU_DOMAIN_PAGING;
etnaviv_domain->domain.ops = &etnaviv_iommu_ops.ops;
etnaviv_domain->domain.pgsize_bitmap = SZ_4K;
etnaviv_domain->domain.geometry.aperture_start = GPU_MEM_START;
etnaviv_domain->domain.geometry.aperture_end = GPU_MEM_START + PT_ENTRIES * SZ_4K - 1;