diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-31 12:08:06 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-11-08 12:35:29 +0300 |
| commit | 5705670d0463423337c82d00877989e7df8b169d (patch) | |
| tree | 913c2aba5107628f8f90295f8e68ddca0cfbf385 /drivers/gpu/drm/Kconfig | |
| parent | 55edf41b699bcb31dcf45082d99e91b7e217206e (diff) | |
| download | linux-5705670d0463423337c82d00877989e7df8b169d.tar.xz | |
drm: Track drm_mm allocators and show leaks on shutdown
We can use the kernel's stack tracer and depot to record the allocation
site of every drm_mm user. Then on shutdown, as well as warning that
allocated nodes still reside with the drm_mm range manager, we can
display who allocated them to aide tracking down the leak.
v2: Move Kconfig around so it lies underneath the DRM options submenu.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161031090806.20073-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/Kconfig')
| -rw-r--r-- | drivers/gpu/drm/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 483059a22b1b..25e8e3793d29 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -33,6 +33,19 @@ config DRM_DP_AUX_CHARDEV read and write values to arbitrary DPCD registers on the DP aux channel. +config DRM_DEBUG_MM + bool "Insert extra checks and debug info into the DRM range managers" + default n + depends on DRM + select STACKDEPOT + help + Enable allocation tracking of memory manager and leak detection on + shutdown. + + Recommended for driver developers only. + + If in doubt, say "N". + config DRM_KMS_HELPER tristate depends on DRM |