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| author | Ben Skeggs <bskeggs@redhat.com> | 2011-10-28 10:59:45 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-11-10 09:01:53 +1000 |
| commit | 4c5df493eb30089ff0b8d03a50a86293f758a786 (patch) | |
| tree | 6e82e388d4bd1dbc3c49bb7a46b4564e621b1fd6 | |
| parent | af6d9fe5368aadd8f0f3647b38405ffcd3ed5f81 (diff) | |
| download | xen-4c5df493eb30089ff0b8d03a50a86293f758a786.tar.gz | |
drm/nvc1: hacky workaround to fix accel issues
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 2afd5b13dc463..9a5ab6121b8e7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev) if (ret) goto out_display_early; + /* workaround an odd issue on nvc1 by disabling the device's + * nosnoop capability. hopefully won't cause issues until a + * better fix is found - assuming there is one... + */ + if (dev_priv->chipset == 0xc1) { + nv_mask(dev, 0x00088080, 0x00000800, 0x00000000); + } + nouveau_pm_init(dev); ret = engine->vram.init(dev); |