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

Quoting Matthew Auld (2019-08-09 23:26:34)

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;
  

How did you get here? This should remain the BUG for the programming error. -Chris