From ec1cb6e4408abe5fb723872d265fefa939f1a2ba Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Tue, 1 Sep 2020 08:41:56 -0700 Subject: [PATCH] drm/msm/gpu: Add suspend/resume tracepoints Signed-off-by: Rob Clark --- 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 74bc27eb4203..a7f63be9cdd0 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -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); diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index cec6ec1d3aa7..ce68ff0732a5 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 -- 2.17.1