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path: root/drivers/gpu/host1x
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Diffstat (limited to 'drivers/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/dev.c38
-rw-r--r--drivers/gpu/host1x/dev.h8
2 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 419d8929a98f..4c044ee54fe6 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,
@@ -129,6 +138,17 @@ static const struct host1x_info host1x06_info = {
.sync_offset = 0x0,
.dma_mask = DMA_BIT_MASK(34),
.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;
@@ -316,6 +351,9 @@ 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;
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h
index 36f44ffebe73..05216a7e4830 100644
--- a/drivers/gpu/host1x/dev.h
+++ b/drivers/gpu/host1x/dev.h
@@ -94,6 +94,12 @@ struct host1x_intr_ops {
int (*free_syncpt_irq)(struct host1x *host);
};
+struct host1x_sid_entry {
+ unsigned int base;
+ unsigned int offset;
+ unsigned int limit;
+};
+
struct host1x_info {
unsigned int nb_channels; /* host1x: number of channels supported */
unsigned int nb_pts; /* host1x: number of syncpoints supported */
@@ -103,6 +109,8 @@ struct host1x_info {
unsigned int sync_offset; /* offset of syncpoint registers */
u64 dma_mask; /* mask of addressable memory */
bool has_hypervisor; /* has hypervisor registers */
+ unsigned int num_sid_entries;
+ const struct host1x_sid_entry *sid_table;
};
struct host1x {