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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2016-12-22 08:36:09 +0000 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-12-27 12:34:39 +0100 |
| commit | 50f0033d1a0f3a8e9eed09ab68067fbb57b0669d (patch) | |
| tree | e0fd92904fed03f9a211662b73232a644daa7022 /drivers/gpu/drm/Kconfig | |
| parent | drm: Add a simple generator of random permutations (diff) | |
| download | linux-dev-50f0033d1a0f3a8e9eed09ab68067fbb57b0669d.tar.xz linux-dev-50f0033d1a0f3a8e9eed09ab68067fbb57b0669d.zip | |
drm: Add some kselftests for the DRM range manager (struct drm_mm)
First we introduce a smattering of infrastructure for writing selftests.
The idea is that we have a test module that exercises a particular
portion of the exported API, and that module provides a set of tests
that can either be run as an ensemble via kselftest or individually via
an igt harness (in this case igt/drm_mm). To accommodate selecting
individual tests, we export a boolean parameter to control selection of
each test - that is hidden inside a bunch of reusable boilerplate macros
to keep writing the tests simple.
v2: Choose a random random_seed unless one is specified by the user.
v3: More parameters to control max_iterations and max_prime of the
tests.
Testcase: igt/drm_mm
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-7-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/Kconfig')
| -rw-r--r-- | drivers/gpu/drm/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 45a1c7468e88..29146fa83001 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -48,6 +48,21 @@ config DRM_DEBUG_MM If in doubt, say "N". +config DRM_DEBUG_MM_SELFTEST + tristate "kselftests for DRM range manager (struct drm_mm)" + depends on DRM + depends on DEBUG_KERNEL + select PRIME_NUMBERS + select DRM_LIB_RANDOM + default n + help + This option provides a kernel module that can be used to test + the DRM range manager (drm_mm) and its API. This option is not + useful for distributions or general kernels, but only for kernel + developers working on DRM and associated drivers. + + If in doubt, say "N". + config DRM_KMS_HELPER tristate depends on DRM |