drm: add vblank event trace point
Emit a trace point for vblank events. This can be helpful for mapping
drawing activity against the vblank frequency and period.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index abe3f44..3b02e04 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -11,7 +11,8 @@
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_crtc.o drm_modes.o drm_edid.o \
- drm_info.o drm_debugfs.o drm_encoder_slave.o
+ drm_info.o drm_debugfs.o drm_encoder_slave.o \
+ drm_trace_points.o
drm-$(CONFIG_COMPAT) += drm_ioc32.o
@@ -19,6 +20,8 @@
obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
+CFLAGS_drm_trace_points.o := -I$(src)
+
obj-$(CONFIG_DRM) += drm.o
obj-$(CONFIG_DRM_TTM) += ttm/
obj-$(CONFIG_DRM_TDFX) += tdfx/