diff options
Diffstat (limited to 'drivers/gpu/host1x/dev.c')
| -rw-r--r-- | drivers/gpu/host1x/dev.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 4c044ee54fe6..544b67f2b3ff 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -283,6 +283,8 @@ static int host1x_probe(struct platform_device *pdev) host->group = iommu_group_get(&pdev->dev); if (host->group) { struct iommu_domain_geometry *geometry; + u64 mask = dma_get_mask(host->dev); + dma_addr_t start, end; unsigned long order; err = iova_cache_get(); @@ -310,11 +312,12 @@ static int host1x_probe(struct platform_device *pdev) } geometry = &host->domain->geometry; + start = geometry->aperture_start & mask; + end = geometry->aperture_end & mask; order = __ffs(host->domain->pgsize_bitmap); - init_iova_domain(&host->iova, 1UL << order, - geometry->aperture_start >> order); - host->iova_end = geometry->aperture_end; + init_iova_domain(&host->iova, 1UL << order, start >> order); + host->iova_end = end; } skip_iommu: |