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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-10-20 09:49:33 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-10-20 10:13:13 +0400 |
| commit | 67e26e41ff8aa514826dae79f0b10169b5ba93b4 (patch) | |
| tree | 224b44fdeccde44034c7c7c5b65660937cebb7fa /drivers/gpu/drm/nouveau/nouveau_chan.c | |
| parent | 40ac948e02e01e98474330f259ff842844096541 (diff) | |
| download | linux-67e26e41ff8aa514826dae79f0b10169b5ba93b4.tar.xz | |
drm/nouveau: fix regression on agp boards
Extends the fix in f2f9a2cbaf019481feefe231f996d3602612fa99 to also
workaround permission issues noticed by people using AGP systems.
Cc: stable@vger.kernel.org # 3.16: f2f9a2c: drm/nouveau: fix regression
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_chan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_chan.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 977fb8f15d97..77c81d6b45ee 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -395,15 +395,20 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device, 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; } } @@ -411,8 +416,9 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device, 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; } |