Quoting Matthew Auld (2019-08-09 23:26:34)
> From: CQ Tang <cq.tang@xxxxxxxxx>
>
> Signed-off-by: CQ Tang <cq.tang@xxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 2aa4fbe7edc0..af63d1a0af14 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -64,6 +64,9 @@ static int
> insert_mappable_node(struct i915_ggtt *ggtt,
> struct drm_mm_node *node, u32 size)
> {
> + if (!ggtt->mappable_end)
> + return -ENOSPC;
How did you get here? This should remain the BUG for the programming
error.
-Chris
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