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| author | Christian König <christian.koenig@amd.com> | 2021-06-08 11:13:21 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-03-28 20:05:32 +0200 |
| commit | 5d05b988f1c0fddc4aaffa5fa3c3f5a9e7b84d5b (patch) | |
| tree | 2f018edb9b2d7ef94ff04c7d36b527481d0d031b /include/drm | |
| parent | 6a9b028994025f5033f10d1da30b29dfdc713384 (diff) | |
| download | linux-5d05b988f1c0fddc4aaffa5fa3c3f5a9e7b84d5b.tar.gz linux-5d05b988f1c0fddc4aaffa5fa3c3f5a9e7b84d5b.tar.bz2 linux-5d05b988f1c0fddc4aaffa5fa3c3f5a9e7b84d5b.zip | |
drm/ttm: add resource iterator v4
Instead of duplicating that at different places add an iterator over all
the resources in a resource manager.
v2: add lockdep annotation and kerneldoc
v3: fix various bugs pointed out by Felix
v4: simplify the code a bit more
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v2)
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-2-christian.koenig@amd.com
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_resource.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index f8f766b092a6..d8e880110dc6 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -189,6 +189,17 @@ struct ttm_resource { }; /** + * struct ttm_resource_cursor + * + * @priority: the current priority + * + * Cursor to iterate over the resources in a manager. + */ +struct ttm_resource_cursor { + unsigned int priority; +}; + +/** * struct ttm_lru_bulk_move_pos * * @first: first res in the bulk move range @@ -333,6 +344,18 @@ uint64_t ttm_resource_manager_usage(struct ttm_resource_manager *man); void ttm_resource_manager_debug(struct ttm_resource_manager *man, struct drm_printer *p); +struct ttm_resource * +ttm_resource_manager_first(struct ttm_resource_manager *man, + struct ttm_resource_cursor *cursor); +struct ttm_resource * +ttm_resource_manager_next(struct ttm_resource_manager *man, + struct ttm_resource_cursor *cursor, + struct ttm_resource *res); + +#define ttm_resource_manager_for_each_res(man, cursor, res) \ + for (res = ttm_resource_manager_first(man, cursor); res; \ + res = ttm_resource_manager_next(man, cursor, res)) + struct ttm_kmap_iter * ttm_kmap_iter_iomap_init(struct ttm_kmap_iter_iomap *iter_io, struct io_mapping *iomap, |