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memory: tegra: Create SMMU display groups

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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>
This commit is contained in:
Thierry Reding
2017-10-12 16:29:19 +02:00
parent 02b0cc52c0
commit 2a8102dfe0
5 changed files with 71 additions and 0 deletions
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15
drivers/memory/tegra/tegra114.c
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@@ -912,11 +912,26 @@ static const struct tegra_smmu_swgroup tegra114_swgroups[] = {
{ .name = "tsec", .swgroup = TEGRA_SWGROUP_TSEC, .reg = 0x294 },
};
static const unsigned int tegra114_group_display[] = {
TEGRA_SWGROUP_DC,
TEGRA_SWGROUP_DCB,
};
static const struct tegra_smmu_group_soc tegra114_groups[] = {
{
.name = "display",
.swgroups = tegra114_group_display,
.num_swgroups = ARRAY_SIZE(tegra114_group_display),
},
};
static const struct tegra_smmu_soc tegra114_smmu_soc = {
.clients = tegra114_mc_clients,
.num_clients = ARRAY_SIZE(tegra114_mc_clients),
.swgroups = tegra114_swgroups,
.num_swgroups = ARRAY_SIZE(tegra114_swgroups),
.groups = tegra114_groups,
.num_groups = ARRAY_SIZE(tegra114_groups),
.supports_round_robin_arbitration = false,
.supports_request_limit = false,
.num_tlb_lines = 32,