From: Jérôme Glisse <jglisse@xxxxxxxxxx>
Adds support for 64-bits read.
Signed-off-by: Jérôme Glisse <jglisse@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/include/nvkm/core/memory.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
index 05f505de0075..d1a886c4d2d9 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h
@@ -82,6 +82,14 @@ void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *,
nvkm_wo32((o), __a + 4, upper_32_bits(__d)); \
} while(0)
+#define nvkm_ro64(o,a) ({ \
+ u64 _data; \
+ _data = nvkm_ro32((o), (a) + 4); \
+ _data = _data << 32; \
+ _data |= nvkm_ro32((o), (a) + 0); \
+ _data; \
+})
+
#define nvkm_fill(t,s,o,a,d,c) do { \
u64 _a = (a), _c = (c), _d = (d), _o = _a >> s, _s = _c << s; \
u##t __iomem *_m = nvkm_kmap(o); \
--
2.14.3
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