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drm/nouveau/fb/ram/gf100-: remove 0x10f200 read
authorBen Skeggs <bskeggs@redhat.com>
Tue, 28 Mar 2017 01:46:37 +0000 (11:46 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 11 May 2017 22:32:53 +0000 (08:32 +1000)
This reg has moved on Pascal, and causes a bus fault.

We never use the value anyway, so just remove the read.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c patch | blob | blame | history

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
index c63975907c907da7afc433398d49c99137fca04d..4a9bd4f1cb931afdfaa71375f165f5dda79b53d7 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
@@ -638,7 +638,6 @@ gf100_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
                        return ret;
        }
 
-       ram->ranks = (nvkm_rd32(device, 0x10f200) & 0x00000004) ? 2 : 1;
        return 0;
 }