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author | Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com> | 2022-08-20 10:33:03 +0300 |
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committer | Christian König <christian.koenig@amd.com> | 2022-08-22 16:36:11 +0300 |
commit | 73b984d8722e3ee077a8591b27d8c4d1a2d72020 (patch) | |
tree | 58f409d28582ea81dd6cc3897628f27bdafc9392 /drivers/gpu/drm/nouveau/nouveau_mem.c | |
parent | 92b2b55e68c8cb88588073434ff3e3240e98504c (diff) | |
download | linux-73b984d8722e3ee077a8591b27d8c4d1a2d72020.tar.xz |
drm/nouveau: Implement intersect/compatible functions
Implemented a new intersect and compatible callback function
fetching the start offset from struct ttm_resource.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220820073304.178444-5-Arunpravin.PaneerSelvam@amd.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 2e517cdc24c9..76f8edefa637 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -187,3 +187,32 @@ nouveau_mem_new(struct nouveau_cli *cli, u8 kind, u8 comp, *res = &mem->base; return 0; } + +bool +nouveau_mem_intersects(struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + u32 num_pages = PFN_UP(size); + + /* Don't evict BOs outside of the requested placement range */ + if (place->fpfn >= (res->start + num_pages) || + (place->lpfn && place->lpfn <= res->start)) + return false; + + return true; +} + +bool +nouveau_mem_compatible(struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + u32 num_pages = PFN_UP(size); + + if (res->start < place->fpfn || + (place->lpfn && (res->start + num_pages) > place->lpfn)) + return false; + + return true; +} |