diff options
| -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) | |||
| 1379 | * This function finally enables all IOMMUs found in the system after | 1379 | * This function finally enables all IOMMUs found in the system after |
| 1380 | * they have been initialized | 1380 | * they have been initialized |
| 1381 | */ | 1381 | */ |
| 1382 | static void enable_iommus(void) | 1382 | static void early_enable_iommus(void) |
| 1383 | { | 1383 | { |
| 1384 | struct amd_iommu *iommu; | 1384 | struct amd_iommu *iommu; |
| 1385 | 1385 | ||
| @@ -1389,14 +1389,29 @@ static void enable_iommus(void) | |||
| 1389 | iommu_set_device_table(iommu); | 1389 | iommu_set_device_table(iommu); |
| 1390 | iommu_enable_command_buffer(iommu); | 1390 | iommu_enable_command_buffer(iommu); |
| 1391 | iommu_enable_event_buffer(iommu); | 1391 | iommu_enable_event_buffer(iommu); |
| 1392 | iommu_enable_ppr_log(iommu); | ||
| 1393 | iommu_enable_gt(iommu); | ||
| 1394 | iommu_set_exclusion_range(iommu); | 1392 | iommu_set_exclusion_range(iommu); |
| 1395 | iommu_enable(iommu); | 1393 | iommu_enable(iommu); |
| 1396 | iommu_flush_all_caches(iommu); | 1394 | iommu_flush_all_caches(iommu); |
| 1397 | } | 1395 | } |
| 1398 | } | 1396 | } |
| 1399 | 1397 | ||
| 1398 | static void enable_iommus_v2(void) | ||
| 1399 | { | ||
| 1400 | struct amd_iommu *iommu; | ||
| 1401 | |||
| 1402 | for_each_iommu(iommu) { | ||
| 1403 | iommu_enable_ppr_log(iommu); | ||
| 1404 | iommu_enable_gt(iommu); | ||
| 1405 | } | ||
| 1406 | } | ||
| 1407 | |||
| 1408 | static void enable_iommus(void) | ||
| 1409 | { | ||
| 1410 | early_enable_iommus(); | ||
| 1411 | |||
| 1412 | enable_iommus_v2(); | ||
| 1413 | } | ||
| 1414 | |||
| 1400 | static void disable_iommus(void) | 1415 | static void disable_iommus(void) |
| 1401 | { | 1416 | { |
| 1402 | struct amd_iommu *iommu; | 1417 | struct amd_iommu *iommu; |
