diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index a5dbefb8e260..b82cf447724e 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1379,7 +1379,7 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu) * This function finally enables all IOMMUs found in the system after * they have been initialized */ -static void enable_iommus(void) +static void early_enable_iommus(void) { struct amd_iommu *iommu; @@ -1389,14 +1389,29 @@ static void enable_iommus(void) iommu_set_device_table(iommu); iommu_enable_command_buffer(iommu); iommu_enable_event_buffer(iommu); - iommu_enable_ppr_log(iommu); - iommu_enable_gt(iommu); iommu_set_exclusion_range(iommu); iommu_enable(iommu); iommu_flush_all_caches(iommu); } } +static void enable_iommus_v2(void) +{ + struct amd_iommu *iommu; + + for_each_iommu(iommu) { + iommu_enable_ppr_log(iommu); + iommu_enable_gt(iommu); + } +} + +static void enable_iommus(void) +{ + early_enable_iommus(); + + enable_iommus_v2(); +} + static void disable_iommus(void) { struct amd_iommu *iommu; |