From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_trace.h | 18 ++++++++++++++++++
drivers/gpu/drm/i915/intel_atomic.c | 2 ++
2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index fb35edd..2b529f2 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -16,6 +16,24 @@
/* object tracking */
+TRACE_EVENT(i915_atomic_evade,
+ TP_PROTO(u32 dsl_min, u32 dsl_max, u32 dsl),
+ TP_ARGS(dsl_min, dsl_max, dsl),
+
+ TP_STRUCT__entry(
+ __field(u32, dsl_min)
+ __field(u32, dsl_max)
+ __field(u32, dsl)
+ ),
+ TP_fast_assign(
+ __entry->dsl_min = dsl_min;
+ __entry->dsl_max = dsl_max;
+ __entry->dsl = dsl;
+ ),
+
+ TP_printk("dsl_min=%u dsl_max=%u dsl=%u", __entry->dsl_min, __entry->dsl_max, __entry->dsl)
+);
+
TRACE_EVENT(i915_atomic_flush,
TP_PROTO(u32 dsl0, u32 dsl1, u32 dsl2),
TP_ARGS(dsl0, dsl1, dsl2),
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 0270d7e..993a7dc 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -1950,6 +1950,8 @@ static void intel_pipe_vblank_evade(struct drm_crtc *crtc)
intel_crtc->vbl_received = false;
val = I915_READ(PIPEDSL(pipe));
+
+ trace_i915_atomic_evade(min, max, val);
}
if (vblank_ref)
--
1.7.8.6
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