On Sun, Aug 19, 2018 at 05:24:20PM +0300, Dmitry Osipenko wrote: > All Tegra DRM devices are getting attached to an implicit IOMMU DMA > domain if CONFIG_ARM_DMA_USE_IOMMU=y. Since Tegra DRM driver manages IOMMU > by itself, the devices must be detached from the implicit domain using > arch-specific IOMMU-API. Note that this works only for arm32 and not for > arm64, which will remain broken if CONFIG_IOMMU_DMA is enabled. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/gpu/drm/tegra/drm.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Applied, thanks. Thierry
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