diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/memory.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h index 05f505de0075..f34c80310861 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h @@ -29,6 +29,7 @@ struct nvkm_memory_func { void *(*dtor)(struct nvkm_memory *); enum nvkm_memory_target (*target)(struct nvkm_memory *); u8 (*page)(struct nvkm_memory *); + u64 (*bar2)(struct nvkm_memory *); u64 (*addr)(struct nvkm_memory *); u64 (*size)(struct nvkm_memory *); void (*boot)(struct nvkm_memory *, struct nvkm_vmm *); @@ -56,6 +57,7 @@ void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *, #define nvkm_memory_target(p) (p)->func->target(p) #define nvkm_memory_page(p) (p)->func->page(p) +#define nvkm_memory_bar2(p) (p)->func->bar2(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)) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c index db48a1daca0c..02c4eb28cef4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c @@ -288,6 +288,19 @@ nv50_instobj_addr(struct nvkm_memory *memory) return nvkm_memory_addr(nv50_instobj(memory)->ram); } +static u64 +nv50_instobj_bar2(struct nvkm_memory *memory) +{ + struct nv50_instobj *iobj = nv50_instobj(memory); + u64 addr = ~0ULL; + if (nv50_instobj_acquire(&iobj->base.memory)) { + iobj->lru.next = NULL; /* Exclude from eviction. */ + addr = iobj->bar->addr; + } + nv50_instobj_release(&iobj->base.memory); + return addr; +} + static enum nvkm_memory_target nv50_instobj_target(struct nvkm_memory *memory) { @@ -325,8 +338,9 @@ static const struct nvkm_memory_func nv50_instobj_func = { .dtor = nv50_instobj_dtor, .target = nv50_instobj_target, - .size = nv50_instobj_size, + .bar2 = nv50_instobj_bar2, .addr = nv50_instobj_addr, + .size = nv50_instobj_size, .boot = nv50_instobj_boot, .acquire = nv50_instobj_acquire, .release = nv50_instobj_release, |