[PATCH 07/21] drm/etnaviv: add performance monitor request processing

[Christian Gmeiner]

The signal gets sampled and stored in a bo at defined bo.

Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 16 ++++++++++++++++
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.h |  3 +++
 2 files changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
index b8dc5fa..a8518bd 100644
--- 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;
 
@@ -94,3 +95,18 @@ int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r)
 
 	return 0;
 }
+
+void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
+	const struct etnaviv_perfmon_request *pmr)
+{
+	const struct etnaviv_pm_domain *dom;
+	const struct etnaviv_pm_signal *sig;
+	u32 *bo = pmr->bo_vma;
+	u32 val;
+
+	dom = &doms[pmr->domain];
+	sig = &dom->signal[pmr->signal];
+	val = sig->sample(gpu, dom, sig);
+
+	*(bo + pmr->offset) = val;
+}
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
index f20b69c..f9c8d7e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
@@ -42,4 +42,7 @@ int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
 
 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);
+
 #endif /* __ETNAVIV_PERFMON_H__ */
-- 
2.9.4