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drm/nouveau/ttm: evict other IO mappings when running out of BAR1 space

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2020-01-06 12:16:02 +10:00
parent 0e7e6198af
commit 8a39db76e7
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/nouveau/nouveau_bo.c
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@ -1494,8 +1494,13 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
ret = nvif_object_map_handle(&mem->mem.object,
&args, argc,
&handle, &length);
if (ret != 1)
return ret ? ret : -EINVAL;
if (ret != 1) {
if (WARN_ON(ret == 0))
return -EINVAL;
if (ret == -ENOSPC)
return -EAGAIN;
return ret;
}
reg->bus.base = 0;
reg->bus.offset = handle;