drm/nouveau: allocate kernel's notifier object at end of block
The nv30/nv40 3d driver is about to start using DMA_FENCE from the 3D object which, it turns out, doesn't like its DMA object to not be aligned to a 4KiB boundary. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -83,7 +83,8 @@ nouveau_dma_init(struct nouveau_channel *chan)
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return ret;
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/* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */
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ret = nouveau_notifier_alloc(chan, NvNotify0, 32, &chan->m2mf_ntfy);
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ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfd0, 0x1000,
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&chan->m2mf_ntfy);
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if (ret)
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return ret;
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@ -852,7 +852,8 @@ extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
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extern int nouveau_notifier_init_channel(struct nouveau_channel *);
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extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
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extern int nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
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int cout, uint32_t *offset);
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int cout, uint32_t start, uint32_t end,
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uint32_t *offset);
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extern int nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
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extern int nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
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struct drm_file *);
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@ -96,7 +96,8 @@ nouveau_notifier_gpuobj_dtor(struct drm_device *dev,
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int
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nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
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int size, uint32_t *b_offset)
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int size, uint32_t start, uint32_t end,
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uint32_t *b_offset)
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{
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struct drm_device *dev = chan->dev;
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struct nouveau_gpuobj *nobj = NULL;
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@ -104,9 +105,10 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
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uint32_t offset;
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int target, ret;
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mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0);
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mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0,
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start, end, 0);
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if (mem)
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mem = drm_mm_get_block(mem, size, 0);
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mem = drm_mm_get_block_range(mem, size, 0, start, end);
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if (!mem) {
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NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
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return -ENOMEM;
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@ -177,7 +179,8 @@ nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data,
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if (IS_ERR(chan))
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return PTR_ERR(chan);
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ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset);
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ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000,
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&na->offset);
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nouveau_channel_put(&chan);
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return ret;
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}
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