Rename ttm_bo_add_ttm to ttm_tt_create and move it into ttm_tt.c.
v2: separate the cleanup.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 50 ++---------------------------------------
drivers/gpu/drm/ttm/ttm_tt.c | 46 +++++++++++++++++++++++++++++++++++++
include/drm/ttm/ttm_bo_driver.h | 11 +++++++++
3 files changed, 59 insertions(+), 48 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 55028745214b..3fb58ba1df51 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -222,52 +222,6 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo)
}
EXPORT_SYMBOL(ttm_bo_move_to_lru_tail);
-/*
- * Call bo->mutex locked.
- */
-static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
-{
- struct ttm_bo_device *bdev = bo->bdev;
- int ret = 0;
- uint32_t page_flags = 0;
-
- reservation_object_assert_held(bo->resv);
- bo->ttm = NULL;
-
- if (bdev->need_dma32)
- page_flags |= TTM_PAGE_FLAG_DMA32;
-
- if (bdev->no_retry)
- page_flags |= TTM_PAGE_FLAG_NO_RETRY;
-
- switch (bo->type) {
- case ttm_bo_type_device:
- if (zero_alloc)
- page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC;
- case ttm_bo_type_kernel:
- bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages <<
PAGE_SHIFT,
- page_flags);
- if (unlikely(bo->ttm == NULL))
- ret = -ENOMEM;
- break;
- case ttm_bo_type_sg:
- bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages <<
PAGE_SHIFT,
- page_flags |
TTM_PAGE_FLAG_SG);
- if (unlikely(bo->ttm == NULL)) {
- ret = -ENOMEM;
- break;
- }
- bo->ttm->sg = bo->sg;
- break;
- default:
- pr_err("Illegal buffer object type\n");
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem, bool evict,
struct ttm_operation_ctx *ctx)
@@ -295,7 +249,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object
*bo,
if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) {
if (bo->ttm == NULL) {
bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED);
- ret = ttm_bo_add_ttm(bo, zero);
+ ret = ttm_tt_create(bo, zero);
if (ret)
goto out_err;
}
@@ -1134,7 +1088,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
* We might need to add a TTM.
*/
if (bo->mem.mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
- ret = ttm_bo_add_ttm(bo, true);
+ ret = ttm_tt_create(bo, true);
if (ret)
return ret;
}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index f93cd108b19d..917942d03047 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -47,6 +47,52 @@
#include <asm/set_memory.h>
#endif
+/**
+ * Allocates a ttm structure for the given BO.
+ */
+int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
+{
+ struct ttm_bo_device *bdev = bo->bdev;
+ int ret = 0;
+ uint32_t page_flags = 0;
+
+ reservation_object_assert_held(bo->resv);
+ bo->ttm = NULL;
+
+ if (bdev->need_dma32)
+ page_flags |= TTM_PAGE_FLAG_DMA32;
+
+ if (bdev->no_retry)
+ page_flags |= TTM_PAGE_FLAG_NO_RETRY;
+
+ switch (bo->type) {
+ case ttm_bo_type_device:
+ if (zero_alloc)
+ page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC;
+ case ttm_bo_type_kernel:
+ bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages <<
PAGE_SHIFT,
+ page_flags);
+ if (unlikely(bo->ttm == NULL))
+ ret = -ENOMEM;
+ break;
+ case ttm_bo_type_sg:
+ bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages <<
PAGE_SHIFT,
+ page_flags |
TTM_PAGE_FLAG_SG);
+ if (unlikely(bo->ttm == NULL)) {
+ ret = -ENOMEM;
+ break;
+ }
+ bo->ttm->sg = bo->sg;
+ break;
+ default:
+ pr_err("Illegal buffer object type\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
/**
* Allocates storage for pointers to the pages that back the ttm.
*/
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index b338dd0ea038..4312b5326f0b 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -610,6 +610,17 @@ ttm_flag_masked(uint32_t *old, uint32_t new, uint32_t mask)
return *old;
}
+/**
+ * ttm_tt_create
+ *
+ * @bo: pointer to a struct ttm_buffer_object
+ * @zero_alloc: true if allocated pages needs to be zeroed
+ *
+ * Make sure we have a TTM structure allocated for the given BO.
+ * No pages are actually allocated.
+ */
+int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
+
/**
* ttm_tt_init
*
--
2.14.1
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