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authorChristian König <christian.koenig@amd.com>2018-08-06 16:46:26 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-08-27 11:11:20 -0500
commit8c7655a0fdd32ab39cfef604403dbe1013df213b (patch)
tree935aa634e65b548661c89bb34742c3f326c757e1 /include/drm/ttm/ttm_bo_driver.h
parent11c3a249ff7a1c710011bd06a451956f2a40c30c (diff)
downloadlinux-8c7655a0fdd32ab39cfef604403dbe1013df213b.tar.bz2
drm/ttm: add helper structures for bulk moves on lru list
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 <christian.koenig@amd.com> Signed-off-by: Huang Rui <ray.huang@amd.com> Tested-by: Mike Lothian <mike@fireburn.co.uk> Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de> Acked-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm/ttm/ttm_bo_driver.h')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 3234cc322e70..e4fee8e02559 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.