diff options
| author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
| commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
| tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /drivers/gpu/drm/tegra/drm.c | |
| parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
| parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
Merge branch 'for-next' into for-linus
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 |