DRM_DEBUG_MM is only valid if the DRM.ko is builtin as currently
depot_save_stack is not exported.
Fixes: 5c7fcf2db027 ("drm/i915: Enable drm_mm debug when enabling DRM_I915_DEBUG")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index 69edf196ed03..51ba630a134b 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -21,7 +21,7 @@ config DRM_I915_DEBUG
select PREEMPT_COUNT
select X86_MSR # used by igt/pm_rpm
select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
- select DRM_DEBUG_MM
+ select DRM_DEBUG_MM if DRM=y
default n
help
Choose this option to turn on extra driver debugging that may affect
--
2.10.2
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