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drm/nouveau: Keep RAMIN heap within the channel.

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The entire RAMIN is allocated to be 'size', but the heap is
specified as 'base' + 'size' inside RAMIN, so it will overflow
past RAMIN by 'base' bytes on NV50+ and clobber other allocatons
unless it's size is adjusted.

Signed-off-by: Younes Manton <younes.m@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Younes Manton 2011-11-22 14:58:31 -05:00 committed by Ben Skeggs
parent 26cfa81357
commit 1a97b4ace0
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_object.c
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@ -680,7 +680,7 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
return ret;
}
ret = drm_mm_init(&chan->ramin_heap, base, size);
ret = drm_mm_init(&chan->ramin_heap, base, size - base);
if (ret) {
NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
nouveau_gpuobj_ref(NULL, &chan->ramin);