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authorBen Skeggs <bskeggs@redhat.com>2015-11-11 09:48:13 +1000
committerBen Skeggs <bskeggs@redhat.com>2015-11-25 15:31:21 +1000
commit950950327bd63b7f54808c7028839a37899035f9 (patch)
tree97e035e0c9ce45c3f00139e4a4b5a094ffe94d9f /drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
parentdrm/nouveau/pci: enable c800 magic for some unknown Samsung laptop (diff)
downloadlinux-dev-950950327bd63b7f54808c7028839a37899035f9.tar.xz
linux-dev-950950327bd63b7f54808c7028839a37899035f9.zip
drm/nouveau/instmem: protect instobj list with a spinlock
No locking is required for the traversal of this list, as it only happens during suspend/resume where nothing else can be executing. Fixes some of the issues noticed during parallel piglit runs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
index 28bc202f9753..40f845e31272 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
@@ -7,6 +7,7 @@ struct nvkm_instmem {
const struct nvkm_instmem_func *func;
struct nvkm_subdev subdev;
+ spinlock_t lock;
struct list_head list;
u32 reserved;