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drm/i915: Enable drm_mm debug when enabling DRM_I915_DEBUG 

A frequent issue that arises on shutdown is the drm_mm range manager
complaining of a leak. To aide debugging those, drm can now track the
allocation callsite and print those for the leaks.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161029184214.17329-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-10-29 19:42:14 +01:00 committed by Daniel Vetter
parent 5705670d04
commit 5c7fcf2db0
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/Kconfig.debug
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@ -21,6 +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
default n
help
Choose this option to turn on extra driver debugging that may affect