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drm/tegra: Unconditionally select IOMMU_IOVA

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Currently configurations can be generated where IOMMU_SUPPORT is
disabled but IOMMU_IOVA is built as a module and DRM_TEGRA as built-in.
In such a case, the symbols guarded by IOMMU_IOVA will not be available
when linking the Tegra DRM driver and cause a linking failure.

Simplify this by unconditionally selecting IOMMU_IOVA, which makes sure
that it will be forced to =y if DRM_TEGRA=y. Technically we can now get
IOMMU_IOVA code built-in even if we don't use it (Tegra DRM only uses it
when IOMMU_SUPPORT is also enabled), but such configuration are of a
mostly academic nature. In all practical configurations we want IOMMU
support anyway.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-08-29 17:52:42 +02:00
parent c8a2036474
commit 84db889e6d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/Kconfig
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@ -9,7 +9,7 @@ config DRM_TEGRA
select DRM_MIPI_DSI
select DRM_PANEL
select TEGRA_HOST1X
select IOMMU_IOVA if IOMMU_SUPPORT
select IOMMU_IOVA
select CEC_CORE if CEC_NOTIFIER
help
Choose this option if you have an NVIDIA Tegra SoC.