[PATCH v3 28/37] drm/i915: check for missing aperture in insert_mappable_node

From: CQ Tang cq.tang@intel.com

Signed-off-by: CQ Tang cq.tang@intel.com Signed-off-by: Matthew Auld matthew.auld@intel.com --- 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; + memset(node, 0, sizeof(*node)); return drm_mm_insert_node_in_range(&ggtt->vm.mm, node, size, 0, I915_COLOR_UNEVICTABLE,