This is a note to let you know that I've just added the patch titled
drm/nouveau: fix regression on agp boards
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-nouveau-fix-regression-on-agp-boards.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 67e26e41ff8aa514826dae79f0b10169b5ba93b4 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <[email protected]>
Date: Mon, 20 Oct 2014 15:49:33 +1000
Subject: drm/nouveau: fix regression on agp boards
From: Ben Skeggs <[email protected]>
commit 67e26e41ff8aa514826dae79f0b10169b5ba93b4 upstream.
Extends the fix in f2f9a2cbaf019481feefe231f996d3602612fa99 to also
workaround permission issues noticed by people using AGP systems.
Signed-off-by: Ben Skeggs <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/nouveau/nouveau_chan.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -400,15 +400,20 @@ nouveau_channel_new(struct nouveau_drm *
struct nouveau_channel **pchan)
{
struct nouveau_cli *cli = (void *)nvif_client(&device->base);
+ bool super;
int ret;
+ /* hack until fencenv50 is fixed, and agp access relaxed */
+ super = cli->base.super;
+ cli->base.super = true;
+
ret = nouveau_channel_ind(drm, device, handle, arg0, pchan);
if (ret) {
NV_PRINTK(debug, cli, "ib channel create, %d\n", ret);
ret = nouveau_channel_dma(drm, device, handle, pchan);
if (ret) {
NV_PRINTK(debug, cli, "dma channel create, %d\n", ret);
- return ret;
+ goto done;
}
}
@@ -416,8 +421,9 @@ nouveau_channel_new(struct nouveau_drm *
if (ret) {
NV_PRINTK(error, cli, "channel failed to initialise, %d\n",
ret);
nouveau_channel_del(pchan);
- return ret;
}
- return 0;
+done:
+ cli->base.super = super;
+ return ret;
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.17/drm-nouveau-gpio-rename-g92-class-to-g94.patch
queue-3.17/drm-gt214-kms-fix-hda-eld-regression.patch
queue-3.17/drm-nouveau-bios-memset-dcb-struct-to-zero-before-parsing.patch
queue-3.17/drm-nouveau-fix-regression-on-agp-boards.patch
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