From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Add tracepoints which let us know when fbc activates/deactivates/nukes.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_fbc.c | 9 ++++
drivers/gpu/drm/i915/i915_trace.h | 62 ++++++++++++++++++++++++
2 files changed, 71 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 28adf4636800..88a9c2fea695 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -41,6 +41,7 @@
#include <drm/drm_fourcc.h>
#include "i915_drv.h"
+#include "i915_trace.h"
#include "intel_display_types.h"
#include "intel_fbc.h"
#include "intel_frontbuffer.h"
@@ -200,6 +201,10 @@ static bool g4x_fbc_is_active(struct drm_i915_private *dev_priv)
/* This function forces a CFB recompression through the nuke operation. */
static void intel_fbc_recompress(struct drm_i915_private *dev_priv)
{
+ struct intel_fbc *fbc = &dev_priv->fbc;
+
+ trace_intel_fbc_nuke(fbc->crtc);
+
I915_WRITE(MSG_FBC_REND_STATE, FBC_REND_NUKE);
POSTING_READ(MSG_FBC_REND_STATE);
}
@@ -356,6 +361,8 @@ static void intel_fbc_hw_activate(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
+ trace_intel_fbc_activate(fbc->crtc);
+
fbc->active = true;
fbc->activated = true;
@@ -373,6 +380,8 @@ static void intel_fbc_hw_deactivate(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
+ trace_intel_fbc_deactivate(fbc->crtc);
+
fbc->active = false;
if (INTEL_GEN(dev_priv) >= 5)
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 7ef7a1e1664c..66ff96303b95 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -339,6 +339,68 @@ TRACE_EVENT(intel_disable_plane,
__entry->frame, __entry->scanline)
);
+/* fbc */
+
+TRACE_EVENT(intel_fbc_activate,
+ TP_PROTO(struct intel_crtc *crtc),
+ TP_ARGS(crtc),
+
+ TP_STRUCT__entry(
+ __field(enum pipe, pipe)
+ __field(u32, frame)
+ __field(u32, scanline)
+ ),
+
+ TP_fast_assign(
+ __entry->pipe = crtc->pipe;
+ __entry->frame = intel_crtc_get_vblank_counter(crtc);
+ __entry->scanline = intel_get_crtc_scanline(crtc);
+ ),
+
+ TP_printk("pipe %c, frame=%u, scanline=%u",
+ pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
+);
+
+TRACE_EVENT(intel_fbc_deactivate,
+ TP_PROTO(struct intel_crtc *crtc),
+ TP_ARGS(crtc),
+
+ TP_STRUCT__entry(
+ __field(enum pipe, pipe)
+ __field(u32, frame)
+ __field(u32, scanline)
+ ),
+
+ TP_fast_assign(
+ __entry->pipe = crtc->pipe;
+ __entry->frame = intel_crtc_get_vblank_counter(crtc);
+ __entry->scanline = intel_get_crtc_scanline(crtc);
+ ),
+
+ TP_printk("pipe %c, frame=%u, scanline=%u",
+ pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
+);
+
+TRACE_EVENT(intel_fbc_nuke,
+ TP_PROTO(struct intel_crtc *crtc),
+ TP_ARGS(crtc),
+
+ TP_STRUCT__entry(
+ __field(enum pipe, pipe)
+ __field(u32, frame)
+ __field(u32, scanline)
+ ),
+
+ TP_fast_assign(
+ __entry->pipe = crtc->pipe;
+ __entry->frame = intel_crtc_get_vblank_counter(crtc);
+ __entry->scanline = intel_get_crtc_scanline(crtc);
+ ),
+
+ TP_printk("pipe %c, frame=%u, scanline=%u",
+ pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
+);
+
/* pipe updates */
TRACE_EVENT(i915_pipe_update_start,
--
2.23.0
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