Quoting Matthew Auld (2019-09-27 18:34:08)
> From: CQ Tang <[email protected]>
>
> drm_mm_insert_node_in_range() treats range_start > range_end as a
> programmer error, such that we explode in insert_mappable_node. For now
> simply check for missing aperture on such paths.
range_start is 0.
range_end is 0.
drm_mm_insert_node_in_range():
DRM_MM_BUG_ON(range_start > range_end);
if (size == 0 || range_end - range_start < size)
return -ENOSPC;
This patch is superfluous.
-Chris
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