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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-11-15 11:48:33 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-21 17:17:14 +1000 |
| commit | 8984e046153eb1d6b0b24626169f9c6e58232e1b (patch) | |
| tree | db0798f608a3f8efc71cd5084a223f0dce1fcac2 /drivers/gpu/drm/nouveau/nouveau_bo.c | |
| parent | 4c74eb7ff276813ee73943a3756b295675fb2865 (diff) | |
| download | lwn-8984e046153eb1d6b0b24626169f9c6e58232e1b.tar.gz lwn-8984e046153eb1d6b0b24626169f9c6e58232e1b.zip | |
drm/nvc0: initial vm implementation, use for bar1/bar3 management
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index d17ffea3c617..6f3096a50297 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -120,6 +120,9 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan, align >>= PAGE_SHIFT; if (!nvbo->no_vm && dev_priv->chan_vm) { + if (dev_priv->card_type == NV_C0) + page_shift = 12; + ret = nouveau_vm_get(dev_priv->chan_vm, size, page_shift, NV_MEM_ACCESS_RW, &nvbo->vma); if (ret) { @@ -413,7 +416,7 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->default_caching = TTM_PL_FLAG_CACHED; break; case TTM_PL_VRAM: - if (dev_priv->card_type == NV_50) { + if (dev_priv->card_type >= NV_50) { man->func = &nouveau_vram_manager; man->io_reserve_fastpath = false; man->use_io_reserve_lru = true; @@ -901,6 +904,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) case TTM_PL_VRAM: { struct nouveau_vram *vram = mem->mm_node; + u8 page_shift; if (!dev_priv->bar1_vm) { mem->bus.offset = mem->start << PAGE_SHIFT; @@ -909,8 +913,13 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) break; } + if (dev_priv->card_type == NV_C0) + page_shift = vram->page_shift; + else + page_shift = 12; + ret = nouveau_vm_get(dev_priv->bar1_vm, mem->bus.size, - vram->page_shift, NV_MEM_ACCESS_RW, + page_shift, NV_MEM_ACCESS_RW, &vram->bar_vma); if (ret) return ret; @@ -921,8 +930,9 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) return ret; } - mem->bus.offset = vram->bar_vma.offset; - mem->bus.offset -= 0x0020000000ULL; + mem->bus.offset = vram->bar_vma.offset; + if (dev_priv->card_type == NV_50) /*XXX*/ + mem->bus.offset -= 0x0020000000ULL; mem->bus.base = pci_resource_start(dev->pdev, 1); mem->bus.is_iomem = true; } |