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drm/i915: Enable drm_mm debug when enabling DRM_I915_DEBUG
author
Chris Wilson
<chris@chris-wilson.co.uk>
Sat, 29 Oct 2016 18:42:14 +0000
(19:42 +0100)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Tue, 8 Nov 2016 09:35:52 +0000
(10:35 +0100)
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
drivers/gpu/drm/i915/Kconfig.debug
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diff --git
a/drivers/gpu/drm/i915/Kconfig.debug
b/drivers/gpu/drm/i915/Kconfig.debug
index
cee87bf
..
69edf19
100644
(file)
--- a/
drivers/gpu/drm/i915/Kconfig.debug
+++ b/
drivers/gpu/drm/i915/Kconfig.debug
@@
-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