| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.17 166/319] drm/nouveau: fix regression on agp boards | Date | Wed, 12 Nov 2014 10:15:04 +0900 |
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3.17-stable review patch. If anyone has any objections, please let me know.
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From: Ben Skeggs <bskeggs@redhat.com>
commit 67e26e41ff8aa514826dae79f0b10169b5ba93b4 upstream.
Extends the fix in f2f9a2cbaf019481feefe231f996d3602612fa99 to also workaround permission issues noticed by people using AGP systems.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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; }
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