[Intel-gfx] [PATCH 3/5] drm/i915: WARN on unexpected return from drm_mm
Ben Widawsky
benjamin.widawsky at intel.com
Sat May 3 19:56:00 CEST 2014
We only actually want to retry if the failure mode was not enough space,
and so we'll evict. This will help us realize quickly in case we missed
a change in the common drm code.
NOTE: A similar check is already in place for the GEN7 PPGTT code.
Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
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 d03702ac..1f85ec5 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3233,6 +3233,9 @@ i915_gem_find_vm_space(struct i915_address_space *vm,
DRM_MM_SEARCH_DEFAULT,
DRM_MM_CREATE_DEFAULT);
if (ret) {
+ if (WARN_ON(ret != -ENOSPC))
+ return ret;
+
ret = i915_gem_evict_something(vm->dev, vm, size, align, color,
flags);
if (ret == 0)
--
1.9.2
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