summaryrefslogtreecommitdiffstats
path: root/drivers/memory/tegra/tegra30.c
diff options
context:
space:
mode:
authorThierry Reding <treding@nvidia.com>2017-10-12 16:29:19 +0200
committerThierry Reding <treding@nvidia.com>2017-12-15 10:12:32 +0100
commit2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8 (patch)
tree2f0e111f2fb5f4797a8bce773f122053278c5ca2 /drivers/memory/tegra/tegra30.c
parent02b0cc52c0c3c89641276cb1e7abddd35e036923 (diff)
downloadlinux-stable-2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8.tar.gz
linux-stable-2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8.tar.bz2
linux-stable-2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8.zip
memory: tegra: Create SMMU display groups
Create SMMU display groups for Tegra30, Tegra114, Tegra124 and Tegra210. This allows the display controllers on these devices to share the same IOMMU domain using the standard IOMMU group mechanism. Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/memory/tegra/tegra30.c')
-rw-r--r--drivers/memory/tegra/tegra30.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c
index b44737840e70..d756c837f23e 100644
--- a/drivers/memory/tegra/tegra30.c
+++ b/drivers/memory/tegra/tegra30.c
@@ -934,11 +934,26 @@ static const struct tegra_smmu_swgroup tegra30_swgroups[] = {
{ .name = "isp", .swgroup = TEGRA_SWGROUP_ISP, .reg = 0x258 },
};
+static const unsigned int tegra30_group_display[] = {
+ TEGRA_SWGROUP_DC,
+ TEGRA_SWGROUP_DCB,
+};
+
+static const struct tegra_smmu_group_soc tegra30_groups[] = {
+ {
+ .name = "display",
+ .swgroups = tegra30_group_display,
+ .num_swgroups = ARRAY_SIZE(tegra30_group_display),
+ },
+};
+
static const struct tegra_smmu_soc tegra30_smmu_soc = {
.clients = tegra30_mc_clients,
.num_clients = ARRAY_SIZE(tegra30_mc_clients),
.swgroups = tegra30_swgroups,
.num_swgroups = ARRAY_SIZE(tegra30_swgroups),
+ .groups = tegra30_groups,
+ .num_groups = ARRAY_SIZE(tegra30_groups),
.supports_round_robin_arbitration = false,
.supports_request_limit = false,
.num_tlb_lines = 16,