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[30/75] drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode

Message ID 1370364959-9475-31-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa June 4, 2013, 4:55 p.m. UTC 
3.8.13.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@redhat.com>

commit 46b47b8a7d9223b12ddcabf1f3fc6e753e2d84a1 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/nouveau/core/subdev/bios/init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index 690ed43..ad6662c 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -1921,8 +1921,8 @@  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);
 }