From a33d42dd03352d2e9d3d2c00bfa435c7a5ebab25 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 22 Dec 2016 08:36:08 +0000 Subject: drm: Add a simple generator of random permutations When testing, we want a random but yet reproducible order in which to process elements. Here we create an array which is a random (using the Tausworthe PRNG) permutation of the order in which to execute. Note these are simple helpers intended to be merged upstream in lib/ v2: Tidier code by David Herrmann v3: Add reminder that this code is intended to be temporary, with at least the bulk of the prandom changes going to lib/ Signed-off-by: Chris Wilson Cc: Joonas Lahtinen Cc: David Herrmann Reviewed-by: Joonas Lahtinen Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-6-chris@chris-wilson.co.uk --- drivers/gpu/drm/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/Kconfig') diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index ebfe8404c25f..45a1c7468e88 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -321,3 +321,7 @@ config DRM_SAVAGE chipset. If M is selected the module will be called savage. endif # DRM_LEGACY + +config DRM_LIB_RANDOM + bool + default n -- cgit v1.2.3