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| author | Ben Skeggs <bskeggs@redhat.com> | 2017-10-31 20:56:19 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 06:32:22 +0300 |
| commit | 2c9c4910f8b126d18fa2a08087f3ae1553e706bc (patch) | |
| tree | 756818f7e9b1a1a90c6aeb0bcf981a6d79282265 /drivers/gpu | |
| parent | 19a82e492c3d71efe8763d50496a1701dfcf3f15 (diff) | |
| download | linux-2c9c4910f8b126d18fa2a08087f3ae1553e706bc.tar.xz | |
drm/nouveau/core/memory: add mechanism to retrieve allocation granularity
Needed by VMM code to determine whether an allocation is compatible with
a given page size (ie. you can't map 4KiB system memory pages into 64KiB
GPU pages).
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/memory.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h index 41bc89af11c0..a0bfc37b96db 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h @@ -26,6 +26,7 @@ struct nvkm_memory { struct nvkm_memory_func { void *(*dtor)(struct nvkm_memory *); enum nvkm_memory_target (*target)(struct nvkm_memory *); + u8 (*page)(struct nvkm_memory *); u64 (*addr)(struct nvkm_memory *); u64 (*size)(struct nvkm_memory *); void (*boot)(struct nvkm_memory *, struct nvkm_vmm *); @@ -51,6 +52,7 @@ void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *, struct nvkm_tags **); #define nvkm_memory_target(p) (p)->func->target(p) +#define nvkm_memory_page(p) (p)->func->page(p) #define nvkm_memory_addr(p) (p)->func->addr(p) #define nvkm_memory_size(p) (p)->func->size(p) #define nvkm_memory_boot(p,v) (p)->func->boot((p),(v)) |