Commit ec1cb6e4 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm/gpu: Add suspend/resume tracepoints 



Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 1ef7c99d

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);

drivers/gpu/drm/msm/msm_gpu.c

+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);

drivers/gpu/drm/msm/msm_gpu_trace.h

+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