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| author | Dave Airlie <airlied@redhat.com> | 2020-09-15 11:47:19 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-16 09:36:19 +1000 |
| commit | 3312be8f6fc8a8dc7cef01986dbd436eab7af0f7 (patch) | |
| tree | 5b328e5a94f1d16c67813fc7c4ad09f5bb9a641a | |
| parent | 3a4ab168a5df5c9532763ac26cde5c2ad06ca1e5 (diff) | |
| download | linux-3312be8f6fc8a8dc7cef01986dbd436eab7af0f7.tar.gz linux-3312be8f6fc8a8dc7cef01986dbd436eab7af0f7.tar.bz2 linux-3312be8f6fc8a8dc7cef01986dbd436eab7af0f7.zip | |
drm/ttm: move populated state into page flags
Just use the top bit of page flags to store the populated state.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200915024007.67163-8-airlied@gmail.com
| -rw-r--r-- | include/drm/ttm/ttm_tt.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 94e16238c93d..c777b72063db 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -42,6 +42,8 @@ struct ttm_operation_ctx; #define TTM_PAGE_FLAG_SG (1 << 8) #define TTM_PAGE_FLAG_NO_RETRY (1 << 9) +#define TTM_PAGE_FLAG_PRIV_POPULATED (1 << 31) + enum ttm_caching_state { tt_uncached, tt_wc, @@ -70,22 +72,21 @@ struct ttm_tt { struct sg_table *sg; /* for SG objects via dma-buf */ struct file *swap_storage; enum ttm_caching_state caching_state; - bool populated; }; static inline bool ttm_tt_is_populated(struct ttm_tt *tt) { - return tt->populated; + return tt->page_flags & TTM_PAGE_FLAG_PRIV_POPULATED; } static inline void ttm_tt_set_unpopulated(struct ttm_tt *tt) { - tt->populated = false; + tt->page_flags &= ~TTM_PAGE_FLAG_PRIV_POPULATED; } static inline void ttm_tt_set_populated(struct ttm_tt *tt) { - tt->populated = true; + tt->page_flags |= TTM_PAGE_FLAG_PRIV_POPULATED; } /** |