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| author | Matthieu Castet <castet.matthieu@free.fr> | 2007-09-29 23:06:29 +0200 |
|---|---|---|
| committer | Matthieu Castet <castet.matthieu@free.fr> | 2007-09-29 23:07:29 +0200 |
| commit | f8f31f04574cd6986d7d9ef2215bbb23e0f44b73 (patch) | |
| tree | 8a04a9111a4f097bb33b47b50f55285b6c964513 | |
| parent | 097db7a9b0cd0e53fb82dffa57c662f327c19670 (diff) | |
nouveau : stop the fifo of the channel we are deleting
| -rw-r--r-- | shared-core/nouveau_fifo.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index 437c84f2..f82d130b 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -403,7 +403,19 @@ void nouveau_fifo_free(struct nouveau_channel *chan) /* disable the fifo caches */ NV_WRITE(NV03_PFIFO_CACHES, 0x00000000); + NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH, NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH)&(~0x1)); + NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000000); + NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000000); + /* stop the fifo, otherwise it could be running and + * it will crash when removing gpu objects */ + if (dev_priv->card_type < NV_50) { + NV_WRITE(NV03_FIFO_REGS_DMAPUT(chan->id), chan->pushbuf_base); + NV_WRITE(NV03_FIFO_REGS_DMAGET(chan->id), chan->pushbuf_base); + } else { + NV_WRITE(NV50_FIFO_REGS_DMAPUT(chan->id), chan->pushbuf_base); + NV_WRITE(NV50_FIFO_REGS_DMAGET(chan->id), chan->pushbuf_base); + } // FIXME XXX needs more code engine->fifo.destroy_context(chan); @@ -412,6 +424,10 @@ void nouveau_fifo_free(struct nouveau_channel *chan) engine->graph.destroy_context(chan); /* reenable the fifo caches */ + NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH, + NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) | 1); + NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000001); + NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000001); NV_WRITE(NV03_PFIFO_CACHES, 0x00000001); /* Deallocate push buffer */ |