From 2c9c4910f8b126d18fa2a08087f3ae1553e706bc Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 1 Nov 2017 03:56:19 +1000
Subject: [PATCH] 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>
---
drivers/gpu/drm/nouveau/include/nvkm/core/memory.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
index 41bc89af11c03..a0bfc37b96db0 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))
--
2.30.2