From fc1584059d6c438b1febafa1c207ae1d3c6643e8 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 25 Nov 2016 13:17:18 +0000 Subject: drm/i915: Integrate i915_sw_fence with debugobjects Add the tracking required to enable debugobjects for fences to improve error detection in BAT. The debugobject interface lets us track the lifetime and phases of the fences even while being embedded into larger structs, i.e. to check they are not used after they have been released. v2: Don't populate the stubs, debugobjects checks for a NULL pointer and treats it equivalently. Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20161125131718.20978-4-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/Kconfig.debug | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/gpu/drm/i915/Kconfig.debug') diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug index 51ba630..a6c69b8 100644 --- a/drivers/gpu/drm/i915/Kconfig.debug +++ b/drivers/gpu/drm/i915/Kconfig.debug @@ -22,6 +22,7 @@ config DRM_I915_DEBUG select X86_MSR # used by igt/pm_rpm select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks) select DRM_DEBUG_MM if DRM=y + select DRM_I915_SW_FENCE_DEBUG_OBJECTS if DRM_I915=y default n help Choose this option to turn on extra driver debugging that may affect @@ -43,3 +44,15 @@ config DRM_I915_DEBUG_GEM If in doubt, say "N". +config DRM_I915_SW_FENCE_DEBUG_OBJECTS + bool "Enable additional driver debugging for fence objects" + depends on DRM_I915=y + select DEBUG_OBJECTS + 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". -- cgit v1.1