From: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
I'm not sure if there is a better way to do no-arg tracepoints? The
trace framework seems to go out of it's way to make this difficult.
Or maybe there is a more obvious thing that I'm not seeing.
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 ++++
drivers/gpu/drm/msm/msm_gpu.c | 2 ++
drivers/gpu/drm/msm/msm_gpu_trace.h | 26 ++++++++++++++++++++++++++
3 files changed, 32 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index c5a3e4d4c007..2de280e45077 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -923,6 +923,8 @@ static int a6xx_pm_resume(struct msm_gpu *gpu)
gpu->needs_hw_init = true;
+ trace_msm_gpu_resume(0);
+
ret = a6xx_gmu_resume(a6xx_gpu);
if (ret)
return ret;
@@ -937,6 +939,8 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu)
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
+ trace_msm_gpu_suspend(0);
+
devfreq_suspend_device(gpu->devfreq.devfreq);
return a6xx_gmu_stop(a6xx_gpu);
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index b02866527386..5ceb2a966a87 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -202,6 +202,7 @@ int msm_gpu_pm_resume(struct msm_gpu *gpu)
int ret;
DBG("%s", gpu->name);
+ trace_msm_gpu_resume(0);
ret = enable_pwrrail(gpu);
if (ret)
@@ -227,6 +228,7 @@ int msm_gpu_pm_suspend(struct msm_gpu *gpu)
int ret;
DBG("%s", gpu->name);
+ trace_msm_gpu_suspend(0);
devfreq_suspend_device(gpu->devfreq.devfreq);
diff --git a/drivers/gpu/drm/msm/msm_gpu_trace.h b/drivers/gpu/drm/msm/msm_gpu_trace.h
index 1079fe551279..03e0c2536b94 100644
--- a/drivers/gpu/drm/msm/msm_gpu_trace.h
+++ b/drivers/gpu/drm/msm/msm_gpu_trace.h
@@ -140,6 +140,32 @@ TRACE_EVENT(msm_gem_purge_vmaps,
TP_printk("Purging %u vmaps", __entry->unmapped)
);
+
+TRACE_EVENT(msm_gpu_suspend,
+ TP_PROTO(int dummy),
+ TP_ARGS(dummy),
+ TP_STRUCT__entry(
+ __field(u32, dummy)
+ ),
+ TP_fast_assign(
+ __entry->dummy = dummy;
+ ),
+ TP_printk("%u", __entry->dummy)
+);
+
+
+TRACE_EVENT(msm_gpu_resume,
+ TP_PROTO(int dummy),
+ TP_ARGS(dummy),
+ TP_STRUCT__entry(
+ __field(u32, dummy)
+ ),
+ TP_fast_assign(
+ __entry->dummy = dummy;
+ ),
+ TP_printk("%u", __entry->dummy)
+);
+
#endif
#undef TRACE_INCLUDE_PATH
--
2.26.2
