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[3.8.y.z,extended,stable] Patch "drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode" has been added to staging queue

Message ID 1369946091-12147-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa May 30, 2013, 8:34 p.m. UTC
This is a note to let you know that I have just added a patch titled

    drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.2.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 285c747b8a7c8fe0ffe1f39cc5a6a154d69c13e7 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 7 May 2013 15:54:13 +1000
Subject: drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode

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(-)

--
1.8.1.2
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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);
 }