Re: [Freedreno] [DPU PATCH 11/19] drm/msm: dpu_core_perf: Replace DPU_EVT with tracepoints

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On 2018-06-21 02:18, Sean Paul wrote:
This patch converts all DPU_EVTs in dpu_core_perf with either a DRM_* log
message or a linux tracepoint.

Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
Reviewed-by: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c |  2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h     | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 6c0f66cc177f..1019ce7594ff 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -474,7 +474,7 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc,
 	if (update_clk) {
 		clk_rate = _dpu_core_perf_get_core_clk_rate(kms);

-		DPU_EVT32(kms->dev, stop_req, clk_rate);
+		trace_dpu_core_perf_update_clk(kms->dev, stop_req, clk_rate);

 		ret = _dpu_core_perf_set_core_clk_rate(kms, clk_rate);
 		if (ret) {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
index ee41db86a2e9..d6f117bdad24 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
@@ -1016,6 +1016,23 @@ DEFINE_EVENT(dpu_core_irq_callback_template,
dpu_core_irq_unregister_callback,
 	TP_ARGS(irq_idx, callback)
 );

+TRACE_EVENT(dpu_core_perf_update_clk,
+	TP_PROTO(struct drm_device *dev, bool stop_req, u64 clk_rate),
+	TP_ARGS(dev, stop_req, clk_rate),
+	TP_STRUCT__entry(
+		__field(	struct drm_device *,	dev		)
+		__field(	bool,			stop_req	)
+		__field(	u64,			clk_rate	)
+	),
+	TP_fast_assign(
+		__entry->dev = dev;
+		__entry->stop_req = stop_req;
+		__entry->clk_rate = clk_rate;
+	),
+	TP_printk("dev:%s stop_req:%s clk_rate:%llu", __entry->dev->unique,
+		  __entry->stop_req ? "true" : "false", __entry->clk_rate)
+);
+
#define DPU_ATRACE_END(name) trace_tracing_mark_write(current->tgid, name, 0) #define DPU_ATRACE_BEGIN(name) trace_tracing_mark_write(current->tgid, name, 1)
 #define DPU_ATRACE_FUNC() DPU_ATRACE_BEGIN(__func__)
--
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