drm/msm/gpu: Add suspend/resume tracepoints (ec1cb6e4) · Commits · 戴 / test

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -931,6 +931,8 @@ 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;
		@@ -945,6 +947,8 @@ 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);

+2 −0

Original line number	Diff line number	Diff line
		@@ -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);

+26 −0

Original line number	Diff line number	Diff line
		@@ -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