On 2018年08月13日 18:16, Christian König wrote:
Am 13.08.2018 um 11:58 schrieb Huang Rui:
From: Christian König <[email protected]>
Add bulk move pos to store the pointer of first and last buffer object.
The list in between will be bulk moved on lru list.
Signed-off-by: Christian König <[email protected]>
Signed-off-by: Huang Rui <[email protected]>
Tested-by: Mike Lothian <[email protected]>
If you ask me that looks like it should work now, but I'm prepossessed
because I helped creating this.
Alex, David or Jerry can somebody else take a look as well?
remember position, list ops...
Acked-by: Chunming Zhou <[email protected]>
Thanks,
Christian.
---
include/drm/ttm/ttm_bo_driver.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/include/drm/ttm/ttm_bo_driver.h
b/include/drm/ttm/ttm_bo_driver.h
index 3234cc3..e4fee8e 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -491,6 +491,34 @@ struct ttm_bo_device {
};
/**
+ * struct ttm_lru_bulk_move_pos
+ *
+ * @first: first BO in the bulk move range
+ * @last: last BO in the bulk move range
+ *
+ * Positions for a lru bulk move.
+ */
+struct ttm_lru_bulk_move_pos {
+ struct ttm_buffer_object *first;
+ struct ttm_buffer_object *last;
+};
+
+/**
+ * struct ttm_lru_bulk_move
+ *
+ * @tt: first/last lru entry for BOs in the TT domain
+ * @vram: first/last lru entry for BOs in the VRAM domain
+ * @swap: first/last lru entry for BOs on the swap list
+ *
+ * Helper structure for bulk moves on the LRU list.
+ */
+struct ttm_lru_bulk_move {
+ struct ttm_lru_bulk_move_pos tt[TTM_MAX_BO_PRIORITY];
+ struct ttm_lru_bulk_move_pos vram[TTM_MAX_BO_PRIORITY];
+ struct ttm_lru_bulk_move_pos swap[TTM_MAX_BO_PRIORITY];
+};
+
+/**
* ttm_flag_masked
*
* @old: Pointer to the result and original value.
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