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[05/12] drm/i915: Kconfig for extra driver debugging

Message ID 1454411190-15721-6-git-send-email-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tvrtko Ursulin Feb. 2, 2016, 11:06 a.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

v2: Added a submenu based on an idea by Chris Wilson.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/Kconfig       |  6 ++++++
 drivers/gpu/drm/i915/Kconfig.debug | 12 ++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 drivers/gpu/drm/i915/Kconfig.debug
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Patch

diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 051eab33e4c7..98a178565492 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -47,3 +47,9 @@  config DRM_I915_PRELIMINARY_HW_SUPPORT
 	  option changes the default for that module option.
 
 	  If in doubt, say "N".
+
+menu "drm/i915 Debugging"
+depends on DRM_I915
+depends on EXPERT
+source drivers/gpu/drm/i915/Kconfig.debug
+endmenu
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
new file mode 100644
index 000000000000..649a562ddf17
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -0,0 +1,12 @@ 
+config DRM_I915_DEBUG
+        bool "Enable additional driver debugging"
+        depends on DRM_I915
+        default n
+        help
+          Choose this option to turn on extra driver debugging that may affect
+          performance but will catch some internal issues.
+
+          Recommended for driver developers only.
+
+          If in doubt, say "N".
+