1 files changed, 45 insertions, 4 deletions

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 419d8929a98f..ee3c7b81a29d 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -120,6 +120,15 @@ static const struct host1x_info host1x05_info = {
 	.dma_mask = DMA_BIT_MASK(34),
 };
 
+static const struct host1x_sid_entry tegra186_sid_table[] = {
+	{
+		/* VIC */
+		.base = 0x1af0,
+		.offset = 0x30,
+		.limit = 0x34
+	},
+};
+
 static const struct host1x_info host1x06_info = {
 	.nb_channels = 63,
 	.nb_pts = 576,
@@ -127,8 +136,19 @@ static const struct host1x_info host1x06_info = {
 	.nb_bases = 16,
 	.init = host1x06_init,
 	.sync_offset = 0x0,
-	.dma_mask = DMA_BIT_MASK(34),
+	.dma_mask = DMA_BIT_MASK(40),
 	.has_hypervisor = true,
+	.num_sid_entries = ARRAY_SIZE(tegra186_sid_table),
+	.sid_table = tegra186_sid_table,
+};
+
+static const struct host1x_sid_entry tegra194_sid_table[] = {
+	{
+		/* VIC */
+		.base = 0x1af0,
+		.offset = 0x30,
+		.limit = 0x34
+	},
 };
 
 static const struct host1x_info host1x07_info = {
@@ -140,6 +160,8 @@ static const struct host1x_info host1x07_info = {
 	.sync_offset = 0x0,
 	.dma_mask = DMA_BIT_MASK(40),
 	.has_hypervisor = true,
+	.num_sid_entries = ARRAY_SIZE(tegra194_sid_table),
+	.sid_table = tegra194_sid_table,
 };
 
 static const struct of_device_id host1x_of_match[] = {
@@ -154,6 +176,19 @@ static const struct of_device_id host1x_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, host1x_of_match);
 
+static void host1x_setup_sid_table(struct host1x *host)
+{
+	const struct host1x_info *info = host->info;
+	unsigned int i;
+
+	for (i = 0; i < info->num_sid_entries; i++) {
+		const struct host1x_sid_entry *entry = &info->sid_table[i];
+
+		host1x_hypervisor_writel(host, entry->offset, entry->base);
+		host1x_hypervisor_writel(host, entry->limit, entry->base + 4);
+	}
+}
+
 static int host1x_probe(struct platform_device *pdev)
 {
 	struct host1x *host;
@@ -248,6 +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();
@@ -275,11 +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:
@@ -316,6 +354,9 @@ skip_iommu:
 
 	host1x_debug_init(host);
 
+	if (host->info->has_hypervisor)
+		host1x_setup_sid_table(host);
+
 	err = host1x_register(host);
 	if (err < 0)
 		goto fail_deinit_intr;