Commit 4c5df493 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvc1: hacky workaround to fix accel issues

Signed-off-by: default avatarBen Skeggs <>
parent af6d9fe5
...@@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev) ...@@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev)
if (ret) if (ret)
goto out_display_early; 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); nouveau_pm_init(dev);
ret = engine->vram.init(dev); ret = engine->vram.init(dev);
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