The signal gets sampled and stored in a bo at defined bo.
Signed-off-by: Christian Gmeiner christian.gmeiner@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__ */