summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
commit93c222c0e126c1c24ac454acf013f2c85e57bd8b (patch)
tree920c429de92857aaf74e64a0f4f9fbaec7032fcf /drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c
parentf89c2b39ce676cb08b6ed8848cde76dcb21cc672 (diff)
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
downloadlinux-93c222c0e126c1c24ac454acf013f2c85e57bd8b.tar.xz
Merge 4.4-rc5 into staging-next
We want those fixes in here for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c
index 895ba74..1d7dd38 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c
@@ -97,7 +97,9 @@ static void *
nvkm_instobj_dtor(struct nvkm_memory *memory)
{
struct nvkm_instobj *iobj = nvkm_instobj(memory);
+ spin_lock(&iobj->imem->lock);
list_del(&iobj->head);
+ spin_unlock(&iobj->imem->lock);
nvkm_memory_del(&iobj->parent);
return iobj;
}
@@ -190,7 +192,9 @@ nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero,
nvkm_memory_ctor(&nvkm_instobj_func_slow, &iobj->memory);
iobj->parent = memory;
iobj->imem = imem;
+ spin_lock(&iobj->imem->lock);
list_add_tail(&iobj->head, &imem->list);
+ spin_unlock(&iobj->imem->lock);
memory = &iobj->memory;
}
@@ -309,5 +313,6 @@ nvkm_instmem_ctor(const struct nvkm_instmem_func *func,
{
nvkm_subdev_ctor(&nvkm_instmem, device, index, 0, &imem->subdev);
imem->func = func;
+ spin_lock_init(&imem->lock);
INIT_LIST_HEAD(&imem->list);
}