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authorRob Clark <robdclark@chromium.org>2020-11-29 11:00:49 -0800
committerRob Clark <robdclark@chromium.org>2020-11-29 11:01:05 -0800
commit9e0673c00cb0839fbe64e4ee4dbf150fd28483eb (patch)
treee3040a2f1d5e1579af306622e122266e226e00b4 /drivers
parent64aec620b7f20cd925ef4641731539f946f5c011 (diff)
parente67890c97944b9962cf8c140a7f8077ed643b7d7 (diff)
Merge remote-tracking branch 'arm64/for-next/iommu/io-pgtable-domain-attr' into msm-next-staging
Pull in new iommu domain attr. Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/io-pgtable-arm.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index a7a9bc08dcd1..7c9ea9d7874a 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -761,7 +761,8 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
IO_PGTABLE_QUIRK_NON_STRICT |
- IO_PGTABLE_QUIRK_ARM_TTBR1))
+ IO_PGTABLE_QUIRK_ARM_TTBR1 |
+ IO_PGTABLE_QUIRK_ARM_OUTER_WBWA))
return NULL;
data = arm_lpae_alloc_pgtable(cfg);
@@ -773,10 +774,15 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
tcr->sh = ARM_LPAE_TCR_SH_IS;
tcr->irgn = ARM_LPAE_TCR_RGN_WBWA;
tcr->orgn = ARM_LPAE_TCR_RGN_WBWA;
+ if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_OUTER_WBWA)
+ goto out_free_data;
} else {
tcr->sh = ARM_LPAE_TCR_SH_OS;
tcr->irgn = ARM_LPAE_TCR_RGN_NC;
- tcr->orgn = ARM_LPAE_TCR_RGN_NC;
+ if (!(cfg->quirks & IO_PGTABLE_QUIRK_ARM_OUTER_WBWA))
+ tcr->orgn = ARM_LPAE_TCR_RGN_NC;
+ else
+ tcr->orgn = ARM_LPAE_TCR_RGN_WBWA;
}
tg1 = cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1;