diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_channel.c | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index 343d718a966..6dfb425cbae 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -35,22 +35,27 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_bo *pb = chan->pushbuf_bo; struct nouveau_gpuobj *pushbuf = NULL; - uint32_t start = pb->bo.mem.mm_node->start << PAGE_SHIFT; int ret; + if (dev_priv->card_type >= NV_50) { + ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0, + dev_priv->vm_end, NV_DMA_ACCESS_RO, + NV_DMA_TARGET_AGP, &pushbuf); + chan->pushbuf_base = pb->bo.offset; + } else if (pb->bo.mem.mem_type == TTM_PL_TT) { ret = nouveau_gpuobj_gart_dma_new(chan, 0, dev_priv->gart_info.aper_size, NV_DMA_ACCESS_RO, &pushbuf, NULL); - chan->pushbuf_base = start; + chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT; } else if (dev_priv->card_type != NV_04) { ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0, dev_priv->fb_available_size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_VIDMEM, &pushbuf); - chan->pushbuf_base = start; + chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT; } else { /* NV04 cmdbuf hack, from original ddx.. not sure of it's * exact reason for existing :) PCI access to cmdbuf in @@ -61,7 +66,7 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan) dev_priv->fb_available_size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_PCI, &pushbuf); - chan->pushbuf_base = start; + chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT; } ret = nouveau_gpuobj_ref_add(dev, chan, 0, pushbuf, &chan->pushbuf); @@ -275,15 +280,23 @@ nouveau_channel_free(struct nouveau_channel *chan) */ nouveau_fence_fini(chan); - /* Ensure the channel is no longer active on the GPU */ + /* This will prevent pfifo from switching channels. */ pfifo->reassign(dev, false); - if (pgraph->channel(dev) == chan) { - pgraph->fifo_access(dev, false); + /* We want to give pgraph a chance to idle and get rid of all potential + * errors. We need to do this before the lock, otherwise the irq handler + * is unable to process them. + */ + if (pgraph->channel(dev) == chan) + nouveau_wait_for_idle(dev); + + spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + + pgraph->fifo_access(dev, false); + if (pgraph->channel(dev) == chan) pgraph->unload_context(dev); - pgraph->fifo_access(dev, true); - } pgraph->destroy_context(chan); + pgraph->fifo_access(dev, true); if (pfifo->channel_id(dev) == chan->id) { pfifo->disable(dev); @@ -294,6 +307,8 @@ nouveau_channel_free(struct nouveau_channel *chan) pfifo->reassign(dev, true); + spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); + /* Release the channel's resources */ nouveau_gpuobj_ref_del(dev, &chan->pushbuf); if (chan->pushbuf_bo) { @@ -370,6 +385,14 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data, return ret; init->channel = chan->id; + if (chan->dma.ib_max) + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | + NOUVEAU_GEM_DOMAIN_GART; + else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM) + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; + else + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; + init->subchan[0].handle = NvM2MF; if (dev_priv->card_type < NV_50) init->subchan[0].grclass = 0x0039; @@ -409,7 +432,6 @@ nouveau_ioctl_fifo_free(struct drm_device *dev, void *data, ***********************************/ struct drm_ioctl_desc nouveau_ioctls[] = { - DRM_IOCTL_DEF(DRM_NOUVEAU_CARD_INIT, nouveau_ioctl_card_init, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GETPARAM, nouveau_ioctl_getparam, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_SETPARAM, nouveau_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_NOUVEAU_CHANNEL_ALLOC, nouveau_ioctl_fifo_alloc, DRM_AUTH), @@ -419,13 +441,9 @@ struct drm_ioctl_desc nouveau_ioctls[] = { DRM_IOCTL_DEF(DRM_NOUVEAU_GPUOBJ_FREE, nouveau_ioctl_gpuobj_free, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH), - DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL, nouveau_gem_ioctl_pushbuf_call, DRM_AUTH), - DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PIN, nouveau_gem_ioctl_pin, DRM_AUTH), - DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_UNPIN, nouveau_gem_ioctl_unpin, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH), DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH), - DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL2, nouveau_gem_ioctl_pushbuf_call2, DRM_AUTH), }; int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls); |