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| author | Lang Yu <Lang.Yu@amd.com> | 2021-06-22 18:23:34 +0200 |
|---|---|---|
| committer | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2021-06-23 20:59:39 +0200 |
| commit | ae1bef72c20f9231898e2f5595751a2635d49db8 (patch) | |
| tree | 8e7361ebdcce7284e69f78c993bc82594fb5fdcd /include/drm | |
| parent | drm/ttm: Fix multihop assert on eviction. (diff) | |
| download | linux-ae1bef72c20f9231898e2f5595751a2635d49db8.tar.xz linux-ae1bef72c20f9231898e2f5595751a2635d49db8.zip | |
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.h | 7 |
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 |