From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Add some tracpoints for frontbuffer tracking so we can
try to figure out what's going on.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
.../gpu/drm/i915/display/intel_frontbuffer.c | 5 +++
drivers/gpu/drm/i915/i915_trace.h | 38 +++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index 6fc6965b6133..8161d49e78ba 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -58,6 +58,7 @@
#include "display/intel_dp.h"
#include "i915_drv.h"
+#include "i915_trace.h"
#include "intel_display_types.h"
#include "intel_fbc.h"
#include "intel_frontbuffer.h"
@@ -87,6 +88,8 @@ static void frontbuffer_flush(struct drm_i915_private *i915,
if (!frontbuffer_bits)
return;
+ trace_intel_frontbuffer_flush(frontbuffer_bits, origin);
+
might_sleep();
intel_edp_drrs_flush(i915, frontbuffer_bits);
intel_psr_flush(i915, frontbuffer_bits, origin);
@@ -173,6 +176,8 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front,
spin_unlock(&i915->fb_tracking.lock);
}
+ trace_intel_frontbuffer_invalidate(frontbuffer_bits, origin);
+
might_sleep();
intel_psr_invalidate(i915, frontbuffer_bits, origin);
intel_edp_drrs_invalidate(i915, frontbuffer_bits);
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index a4addcc64978..81f5e1721180 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -474,6 +474,44 @@ TRACE_EVENT(intel_pipe_update_end,
__entry->scanline)
);
+/* frontbuffer tracking */
+
+TRACE_EVENT(intel_frontbuffer_invalidate,
+ TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
+ TP_ARGS(frontbuffer_bits, origin),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, frontbuffer_bits)
+ __field(unsigned int, origin)
+ ),
+
+ TP_fast_assign(
+ __entry->frontbuffer_bits = frontbuffer_bits;
+ __entry->origin = origin;
+ ),
+
+ TP_printk("frontbuffer_bits=0x%08x, origin=%u",
+ __entry->frontbuffer_bits, __entry->origin)
+);
+
+TRACE_EVENT(intel_frontbuffer_flush,
+ TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
+ TP_ARGS(frontbuffer_bits, origin),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, frontbuffer_bits)
+ __field(unsigned int, origin)
+ ),
+
+ TP_fast_assign(
+ __entry->frontbuffer_bits = frontbuffer_bits;
+ __entry->origin = origin;
+ ),
+
+ TP_printk("frontbuffer_bits=0x%08x, origin=%u",
+ __entry->frontbuffer_bits, __entry->origin)
+);
+
/* object tracking */
TRACE_EVENT(i915_gem_object_create,
--
2.26.3
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