diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-09 15:52:17 -0400 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-09 15:52:17 -0400 |
commit | d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a (patch) | |
tree | 4d714ecd331233069ab718989bb017dfd934e129 /drivers/gpu/drm/tegra/drm.c | |
parent | 6cfe7bd0dfd33033683639039b5608d6534c19eb (diff) | |
parent | 76dcd734eca23168cb008912c0f69ff408905235 (diff) | |
download | linux-d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a.tar.gz linux-d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a.tar.bz2 linux-d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a.zip |
Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
-rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 6748ec1e0005..a1f909dac89a 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1093,6 +1093,10 @@ static bool host1x_drm_wants_iommu(struct host1x_device *dev) struct host1x *host1x = dev_get_drvdata(dev->dev.parent); struct iommu_domain *domain; + /* Our IOMMU usage policy doesn't currently play well with GART */ + if (of_machine_is_compatible("nvidia,tegra20")) + return false; + /* * If the Tegra DRM clients are backed by an IOMMU, push buffers are * likely to be allocated beyond the 32-bit boundary if sufficient |