From d87897d4c853a5c136f60efa858d0d4cb3740f57 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 12 Feb 2010 11:11:54 +1000 Subject: [PATCH] drm/nv50: make pushbuf dma object cover entire vm This allows us to submit push buffers from any memtype to the hardware. We'll need this ability for VRAM index buffers at some point. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_channel.c | 13 +++++++++---- drivers/gpu/drm/nouveau/nouveau_dma.c | 6 +++--- 2 files changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index f7ca950..ceb8396 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); diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index b9c80bb..679b03c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -182,12 +182,12 @@ nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo, int delta, int dwords) { struct nouveau_bo *pb = chan->pushbuf_bo; - uint64_t offset = (bo->bo.mem.mm_node->start << PAGE_SHIFT) + delta; + uint64_t offset = bo->bo.offset + delta; int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base; BUG_ON(chan->dma.ib_free < 1); - nouveau_bo_wr32(pb, ip++, offset); - nouveau_bo_wr32(pb, ip++, dwords << 10); + nouveau_bo_wr32(pb, ip++, lower_32_bits(offset)); + nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | dwords << 10); chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max; nvchan_wr32(chan, 0x8c, chan->dma.ib_put); -- 1.8.2.3