From: Jérôme Glisse jglisse@redhat.com
Adds support for 64-bits read.
Signed-off-by: Jérôme Glisse jglisse@redhat.com --- 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); \