From: Rob Clark <robdclark@xxxxxxxxxxxx>
Technically the GMU specific one is a bit redundant, but it was useful
to track down a bug.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 3 +++
drivers/gpu/drm/msm/msm_gpu.c | 2 ++
drivers/gpu/drm/msm/msm_gpu_trace.h | 31 +++++++++++++++++++++++++++
3 files changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 46a29e383bfd..ab1e9eb619e0 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -11,6 +11,7 @@
#include "a6xx_gpu.h"
#include "a6xx_gmu.xml.h"
#include "msm_gem.h"
+#include "msm_gpu_trace.h"
#include "msm_mmu.h"
static void a6xx_gmu_fault(struct a6xx_gmu *gmu)
@@ -124,6 +125,8 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp)
gmu->current_perf_index = perf_index;
gmu->freq = gmu->gpu_freqs[perf_index];
+ trace_msm_gmu_freq_change(gmu->freq, perf_index);
+
/*
* This can get called from devfreq while the hardware is idle. Don't
* bring up the power if it isn't already active
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index d5645472b25d..b02866527386 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -32,6 +32,8 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq,
if (IS_ERR(opp))
return PTR_ERR(opp);
+ trace_msm_gpu_freq_change(dev_pm_opp_get_freq(opp));
+
if (gpu->funcs->gpu_set_freq)
gpu->funcs->gpu_set_freq(gpu, opp);
else
diff --git a/drivers/gpu/drm/msm/msm_gpu_trace.h b/drivers/gpu/drm/msm/msm_gpu_trace.h
index 122b84789238..07572ab179fa 100644
--- a/drivers/gpu/drm/msm/msm_gpu_trace.h
+++ b/drivers/gpu/drm/msm/msm_gpu_trace.h
@@ -83,6 +83,37 @@ TRACE_EVENT(msm_gpu_submit_retired,
__entry->start_ticks, __entry->end_ticks)
);
+
+TRACE_EVENT(msm_gpu_freq_change,
+ TP_PROTO(u32 freq),
+ TP_ARGS(freq),
+ TP_STRUCT__entry(
+ __field(u32, freq)
+ ),
+ TP_fast_assign(
+ /* trace freq in MHz to match intel_gpu_freq_change, to make life easier
+ * for userspace
+ */
+ __entry->freq = DIV_ROUND_UP(freq, 1000000);
+ ),
+ TP_printk("new_freq=%u", __entry->freq)
+);
+
+
+TRACE_EVENT(msm_gmu_freq_change,
+ TP_PROTO(u32 freq, u32 perf_index),
+ TP_ARGS(freq, perf_index),
+ TP_STRUCT__entry(
+ __field(u32, freq)
+ __field(u32, perf_index)
+ ),
+ TP_fast_assign(
+ __entry->freq = freq;
+ __entry->perf_index = perf_index;
+ ),
+ TP_printk("freq=%u, perf_index=%u", __entry->freq, __entry->perf_index)
+);
+
#endif
#undef TRACE_INCLUDE_PATH
--
2.26.2
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