From: Christian Gmeiner <christian.gmeiner@gmail.com>
Date: Sun, 24 Sep 2017 15:15:27 +0200
Subject: drm/etnaviv: add performance monitor request processing
Git-commit: 249300c740e5bf2b48425e6f0cccc63964a35892
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Changes v4 -> v5
- make use of doms_meta array

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.c |   17 +++++++++++++++++
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.h |    3 +++
 2 files changed, 20 insertions(+)

--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -16,6 +16,7 @@
  */
 
 #include "etnaviv_gpu.h"
+#include "etnaviv_perfmon.h"
 
 struct etnaviv_pm_domain;
 
@@ -128,3 +129,19 @@ int etnaviv_pm_req_validate(const struct
 
 	return 0;
 }
+
+void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
+	const struct etnaviv_perfmon_request *pmr)
+{
+	const struct etnaviv_pm_domain_meta *meta = &doms_meta[gpu->exec_state];
+	const struct etnaviv_pm_domain *dom;
+	const struct etnaviv_pm_signal *sig;
+	u32 *bo = pmr->bo_vma;
+	u32 val;
+
+	dom = meta->domains + pmr->domain;
+	sig = &dom->signal[pmr->signal];
+	val = sig->sample(gpu, dom, sig);
+
+	*(bo + pmr->offset) = val;
+}
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
@@ -43,4 +43,7 @@ int etnaviv_pm_query_sig(struct etnaviv_
 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);
+
 #endif /* __ETNAVIV_PERFMON_H__ */