summaryrefslogtreecommitdiff
path: root/include/drm
diff options
context:
space:
mode:
authorLang Yu <Lang.Yu@amd.com>2021-06-22 12:23:34 -0400
committerAndrey Grodzovsky <andrey.grodzovsky@amd.com>2021-06-23 14:59:39 -0400
commitae1bef72c20f9231898e2f5595751a2635d49db8 (patch)
tree8e7361ebdcce7284e69f78c993bc82594fb5fdcd /include/drm
parent403797925768d9fa870f5b1ebcd20016b397083b (diff)
drm/ttm: add TTM_PL_FLAG_TEMPORARY flag v3
Sometimes drivers need to use bounce buffers to evict BOs. While those reside in some domain they are not necessarily suitable for CS. Add a flag so that drivers can note that a bounce buffers needs to be reallocated during validation. v2: add detailed comments v3 (chk): merge commits and rework commit message Suggested-by: Christian König <christian.koenig@amd.com> Signed-off-by: Lang Yu <Lang.Yu@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210622162339.761651-1-andrey.grodzovsky@amd.com
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/ttm/ttm_placement.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index aa6ba4d0cf78..8995c9e4ec1b 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -47,8 +47,11 @@
* top of the memory area, instead of the bottom.
*/
-#define TTM_PL_FLAG_CONTIGUOUS (1 << 19)
-#define TTM_PL_FLAG_TOPDOWN (1 << 22)
+#define TTM_PL_FLAG_CONTIGUOUS (1 << 0)
+#define TTM_PL_FLAG_TOPDOWN (1 << 1)
+
+/* For multihop handling */
+#define TTM_PL_FLAG_TEMPORARY (1 << 2)
/**
* struct ttm_place