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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-11-24 10:26:24 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-21 17:17:34 +1000 |
| commit | 96545299d7405d4c0f44b727718e263653fc11aa (patch) | |
| tree | d5c9ffd220778e11e026dab5cabbf74ae8a7cf2d /drivers/gpu/drm/nouveau/nouveau_dma.c | |
| parent | 5216782bf8c195de3befe0742a877c987dd3c4fd (diff) | |
| download | lwn-96545299d7405d4c0f44b727718e263653fc11aa.tar.gz lwn-96545299d7405d4c0f44b727718e263653fc11aa.zip | |
drm/nvc0: fix channel dma init paths
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 6ff77cedc008..65699bfaaaea 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -36,7 +36,7 @@ nouveau_dma_pre_init(struct nouveau_channel *chan) struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_bo *pushbuf = chan->pushbuf_bo; - if (dev_priv->card_type == NV_50) { + if (dev_priv->card_type >= NV_50) { const int ib_size = pushbuf->bo.mem.size / 2; chan->dma.ib_base = (pushbuf->bo.mem.size - ib_size) >> 2; @@ -61,6 +61,21 @@ nouveau_dma_init(struct nouveau_channel *chan) struct drm_nouveau_private *dev_priv = dev->dev_private; int ret, i; + if (dev_priv->card_type >= NV_C0) { + ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039); + if (ret) + return ret; + + ret = RING_SPACE(chan, 2); + if (ret) + return ret; + + BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1); + OUT_RING (chan, 0x00009039); + FIRE_RING (chan); + return 0; + } + /* Create NV_MEMORY_TO_MEMORY_FORMAT for buffer moves */ ret = nouveau_gpuobj_gr_new(chan, NvM2MF, dev_priv->card_type < NV_50 ? 0x0039 : 0x5039); @@ -72,11 +87,6 @@ nouveau_dma_init(struct nouveau_channel *chan) if (ret) return ret; - /* Map push buffer */ - ret = nouveau_bo_map(chan->pushbuf_bo); - if (ret) - return ret; - /* Insert NOPS for NOUVEAU_DMA_SKIPS */ ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS); if (ret) |