The recently added iommu code in the nouveau driver fails to build
when the IOMMU support is disabled:
drivers/gpu/drm/nouveau/nouveau_platform.c: In function 'nouveau_platform_probe_iommu':
drivers/gpu/drm/nouveau/nouveau_platform.c:113:41: error: 'const struct iommu_ops' has no mem
To avoid the build error, this now adds an explicit dependency on the
IOMMU implementation.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: 58fd9375c2c5 ("drm/nouveau/platform: probe IOMMU if present")
diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index 5ab13e7939db..18dfa4af60ea 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -28,6 +28,7 @@ config DRM_NOUVEAU
config NOUVEAU_PLATFORM_DRIVER
bool "Nouveau (NVIDIA) SoC GPUs"
depends on DRM_NOUVEAU && ARCH_TEGRA
+ depends on IOMMU
default y
help
Support for Nouveau platform driver, used for SoC GPUs as found
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