| Message ID | 20170609102123.2417-6-christian.gmeiner@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Am Freitag, den 09.06.2017, 12:21 +0200 schrieb Christian Gmeiner: > Check if the selected domain and signal combination exists. > > Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> > --- > drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 15 +++++++++++++++ > drivers/gpu/drm/etnaviv/etnaviv_perfmon.h | 2 ++ > 2 files changed, 17 insertions(+) > > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c > b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c > index 9c6f284..b8dc5fa 100644 > --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c > +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c > @@ -79,3 +79,18 @@ int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu, > > return 0; > } > + > +int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr > *r) > +{ > + const struct etnaviv_pm_domain *dom; > + > + if (r->domain >= ARRAY_SIZE(doms)) > + return -EINVAL; > + > + dom = &doms[r->domain]; > + > + if (r->signal > dom->nr_signals) > + return -EINVAL; > + > + return 0; > +} > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h > b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h > index 4b2b518..f20b69c 100644 > --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h > +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h > @@ -40,4 +40,6 @@ 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); > + > #endif /* __ETNAVIV_PERFMON_H__ */
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c index 9c6f284..b8dc5fa 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c @@ -79,3 +79,18 @@ int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu, return 0; } + +int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r) +{ + const struct etnaviv_pm_domain *dom; + + if (r->domain >= ARRAY_SIZE(doms)) + return -EINVAL; + + dom = &doms[r->domain]; + + if (r->signal > dom->nr_signals) + return -EINVAL; + + return 0; +} diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h index 4b2b518..f20b69c 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h @@ -40,4 +40,6 @@ 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); + #endif /* __ETNAVIV_PERFMON_H__ */
Check if the selected domain and signal combination exists. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> --- drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 15 +++++++++++++++ drivers/gpu/drm/etnaviv/etnaviv_perfmon.h | 2 ++ 2 files changed, 17 insertions(+)