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drm/nvc1: hacky workaround to fix accel issues

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-10-28 10:59:45 +10:00
parent af6d9fe536
commit 4c5df493eb
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/nouveau/nouveau_state.c
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@ -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);