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authorBen Skeggs <bskeggs@redhat.com>2013-05-07 15:54:13 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-05-20 13:23:42 +1000
commit46b47b8a7d9223b12ddcabf1f3fc6e753e2d84a1 (patch)
treeb33b28f03d8802a1e570a34fe387c3527b0e771c /drivers/gpu
parentc5e624f8437331e1d985b4bb5efe3c4229569550 (diff)
drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode
Cc: stable@vger.kernel.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/bios/init.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index c300b5e7b670..c434d398d16f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -1940,8 +1940,8 @@ init_zm_mask_add(struct nvbios_init *init)
trace("ZM_MASK_ADD\tR[0x%06x] &= 0x%08x += 0x%08x\n", addr, mask, add);
init->offset += 13;
- data = init_rd32(init, addr) & mask;
- data |= ((data + add) & ~mask);
+ data = init_rd32(init, addr);
+ data = (data & mask) | ((data + add) & ~mask);
init_wr32(init, addr, data);
}