[PATCH] drm/i915: Fix out of tree builds

[Peter Clifton]

Fixes up include paths for i915_trace.h by setting additional CFLAGS
for i915_trace_points.c to include the $src directory. The required
TRACE_INCLUDE_PATH is then "."
---
 drivers/gpu/drm/i915/Makefile     |    2 ++
 drivers/gpu/drm/i915/i915_trace.h |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 9929f84..9563901 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -33,3 +33,5 @@ i915-$(CONFIG_ACPI)	+= i915_opregion.o
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
 obj-$(CONFIG_DRM_I915)  += i915.o
+
+CFLAGS_i915_trace_points.o := -I$(src)
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 01840d9..5498b37 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -312,5 +312,5 @@ TRACE_EVENT(i915_ring_wait_end,
 
 /* This part must be outside protection */
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/i915
+#define TRACE_INCLUDE_PATH .
 #include <trace/define_trace.h>
-- 
1.7.0.4


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