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| 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/host1x/dev.c | |
| parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
| parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'drivers/gpu/host1x/dev.c')
| -rw-r--r-- | drivers/gpu/host1x/dev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 0cd3f97e7e49..f60ea24db0ec 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -292,6 +292,10 @@ static void host1x_setup_virtualization_tables(struct host1x *host) static bool host1x_wants_iommu(struct host1x *host1x) { + /* Our IOMMU usage policy doesn't currently play well with GART */ + if (of_machine_is_compatible("nvidia,tegra20")) + return false; + /* * If we support addressing a maximum of 32 bits of physical memory * and if the host1x firewall is enabled, there's no need to enable |