[PATCH 23/27] drm/etnaviv: use submit exec_state for perfmon sampling

Lucas Stach l.stach at pengutronix.de
Fri Dec 1 10:36:20 UTC 2017


The GPU exec state may have changed at the time when the perfmon sampling
is done, as it reflects the state of the last submission, not the current
GPU execution state.

So for proper sampling we must use the submit exec_state.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c     | 2 +-
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 4 ++--
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.h | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 3d7fe6ed555d..8059a12410fa 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1324,7 +1324,7 @@ static void sync_point_perfmon_sample(struct etnaviv_gpu *gpu,
 		const struct etnaviv_perfmon_request *pmr = submit->pmrs + i;
 
 		if (pmr->flags == flags)
-			etnaviv_perfmon_process(gpu, pmr);
+			etnaviv_perfmon_process(gpu, pmr, submit->exec_state);
 	}
 }
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
index 768f5aafdd18..26dddfc41aac 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -479,9 +479,9 @@ int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,
 }
 
 void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
-	const struct etnaviv_perfmon_request *pmr)
+	const struct etnaviv_perfmon_request *pmr, u32 exec_state)
 {
-	const struct etnaviv_pm_domain_meta *meta = &doms_meta[gpu->exec_state];
+	const struct etnaviv_pm_domain_meta *meta = &doms_meta[exec_state];
 	const struct etnaviv_pm_domain *dom;
 	const struct etnaviv_pm_signal *sig;
 	u32 *bo = pmr->bo_vma;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
index 35dce194cb00..c1653c64ab6b 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
@@ -44,6 +44,6 @@ int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,
 	u32 exec_state);
 
 void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
-	const struct etnaviv_perfmon_request *pmr);
+	const struct etnaviv_perfmon_request *pmr, u32 exec_state);
 
 #endif /* __ETNAVIV_PERFMON_H__ */
-- 
2.11.0



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