From c68b0ab2e08fd8913a794d11e74cbf5cd589b3df Mon Sep 17 00:00:00 2001
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Tue, 28 Jun 2016 12:51:49 +0100
Subject: [PATCH] drm/i915/debug: Select PREEMPT_COUNT when enabling debugging

Required to enable correct wait_for_atomic checks.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index 8f404103341d..43400adc95db 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -18,6 +18,7 @@ config DRM_I915_WERROR
 config DRM_I915_DEBUG
         bool "Enable additional driver debugging"
         depends on DRM_I915
+        select PREEMPT_COUNT
         default n
         help
           Choose this option to turn on extra driver debugging that may affect
-- 
2.20.1