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| author | Ben Skeggs <skeggsb@gmail.com> | 2007-06-28 21:01:17 +1000 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2007-06-28 21:01:17 +1000 |
| commit | 1c32fecd6d2286af075976167c4887b9096e8312 (patch) | |
| tree | 0729e94db22509da56c3082cb988026e5efa9100 /shared-core | |
| parent | 2dd85772aa4e134730f294d77b4ff030a175a4ab (diff) | |
nouveau: Hack around possible Xv blit adaptor breakage
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/nouveau_fifo.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index f179af63..81dbfcda 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -341,6 +341,19 @@ int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp, nouveau_fifo_free(dev, channel); return ret; } + + /* Temporary hack, to avoid breaking Xv on cards where the + * initial context value for 0x400710 doesn't have these bits + * set. Proper fix would be to find which object+method is + * responsible for modifying this state. + */ + if (dev_priv->chipset >= 0x10) { + uint32_t tmp; + tmp = NV_READ(NV10_PGRAPH_SURFACE) & 0x0007ff00; + NV_WRITE(NV10_PGRAPH_SURFACE, tmp); + tmp = NV_READ(NV10_PGRAPH_SURFACE) | 0x00020100; + NV_WRITE(NV10_PGRAPH_SURFACE, tmp); + } } NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001); |