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iommu/tegra: gart: Do not register with bus

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The driver currently doesn't work as expected and causes existing setups
with Tegra20 to break after commit df06b759f2 ("drm/tegra: Add IOMMU
support"). To restore these setups, do not register the operations with
the platform bus for now. Fixing this properly will involve non-trivial
changes to the DRM driver, which are unlikely to be accepted at this
point in the release cycle.

Reported-by: Misha Komarovskiy <zombah@gmail.com>
Reported-by: Nicolas Chauvet <kwizart@gmail.com>
Tested-by: Misha Komarovskiy <zombah@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Thierry Reding 2015-01-23 16:37:51 +01:00 committed by Joerg Roedel
parent 26bc420b59
commit c7e3ca515e
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/iommu/tegra-gart.c
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@ -395,7 +395,7 @@ static int tegra_gart_probe(struct platform_device *pdev)
do_gart_setup(gart, NULL);
gart_handle = gart;
bus_set_iommu(&platform_bus_type, &gart_iommu_ops);
return 0;
}