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| author | Thierry Reding <treding@nvidia.com> | 2017-10-12 16:29:19 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-12-15 10:12:32 +0100 |
| commit | 2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8 (patch) | |
| tree | 2f0e111f2fb5f4797a8bce773f122053278c5ca2 /drivers/memory/tegra/tegra124.c | |
| parent | 02b0cc52c0c3c89641276cb1e7abddd35e036923 (diff) | |
| download | linux-2a8102dfe0da7dbb61794e6b85dc7ac9271e5fc8.tar.bz2 | |
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/tegra124.c')
| -rw-r--r-- | drivers/memory/tegra/tegra124.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c index 5a58e440f4a7..8b6360eabb8a 100644 --- a/drivers/memory/tegra/tegra124.c +++ b/drivers/memory/tegra/tegra124.c @@ -999,12 +999,27 @@ static const struct tegra_smmu_swgroup tegra124_swgroups[] = { { .name = "vi", .swgroup = TEGRA_SWGROUP_VI, .reg = 0x280 }, }; +static const unsigned int tegra124_group_display[] = { + TEGRA_SWGROUP_DC, + TEGRA_SWGROUP_DCB, +}; + +static const struct tegra_smmu_group_soc tegra124_groups[] = { + { + .name = "display", + .swgroups = tegra124_group_display, + .num_swgroups = ARRAY_SIZE(tegra124_group_display), + }, +}; + #ifdef CONFIG_ARCH_TEGRA_124_SOC static const struct tegra_smmu_soc tegra124_smmu_soc = { .clients = tegra124_mc_clients, .num_clients = ARRAY_SIZE(tegra124_mc_clients), .swgroups = tegra124_swgroups, .num_swgroups = ARRAY_SIZE(tegra124_swgroups), + .groups = tegra124_groups, + .num_groups = ARRAY_SIZE(tegra124_groups), .supports_round_robin_arbitration = true, .supports_request_limit = true, .num_tlb_lines = 32, @@ -1029,6 +1044,8 @@ static const struct tegra_smmu_soc tegra132_smmu_soc = { .num_clients = ARRAY_SIZE(tegra124_mc_clients), .swgroups = tegra124_swgroups, .num_swgroups = ARRAY_SIZE(tegra124_swgroups), + .groups = tegra124_groups, + .num_groups = ARRAY_SIZE(tegra124_groups), .supports_round_robin_arbitration = true, .supports_request_limit = true, .num_tlb_lines = 32, |