Commit 46df52cd authored by Christian Gmeiner's avatar Christian Gmeiner Committed by Lucas Stach
Browse files

drm/etnaviv: add performance monitor request validation 



Check if the selected domain and signal combination exists.

Changes from v4 to v5
- add exec_state parameter

Signed-off-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
parent 4fc3e66a

drivers/gpu/drm/etnaviv/etnaviv_perfmon.c

+17 −0
Original line number Diff line number Diff line
@@ -111,3 +111,20 @@ int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu, 


	return 0;

}



int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,

	u32 exec_state)

{

	const struct etnaviv_pm_domain_meta *meta = &doms_meta[exec_state];

	const struct etnaviv_pm_domain *dom;



	if (r->domain >= meta->nr_domains)

		return -EINVAL;



	dom = meta->domains + r->domain;



	if (r->signal > dom->nr_signals)

		return -EINVAL;



	return 0;

}

drivers/gpu/drm/etnaviv/etnaviv_perfmon.h

+3 −0
Original line number Diff line number Diff line
@@ -40,4 +40,7 @@ int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu, 
int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,

	struct drm_etnaviv_pm_signal *signal);



int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,

	u32 exec_state);



#endif /* __ETNAVIV_PERFMON_H__ */

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