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| author | Christian Gmeiner <christian.gmeiner@gmail.com> | 2017-09-24 15:15:25 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-10-10 11:45:43 +0200 |
| commit | 46df52cd4395b62d05b9ac99a7f320f577b5cff5 (patch) | |
| tree | dadd3910de13da7f5cd7f58e28c42e9fe8b88f82 /drivers/gpu/drm/etnaviv | |
| parent | 4fc3e66adb291cc3ec4a360c75221e9fbf416938 (diff) | |
| download | talos-obmc-linux-46df52cd4395b62d05b9ac99a7f320f577b5cff5.tar.gz talos-obmc-linux-46df52cd4395b62d05b9ac99a7f320f577b5cff5.zip | |
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: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_perfmon.h | 3 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c index 08ef01c2a0ef..09fbd33764e8 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c @@ -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; +} diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h index 4b2b518cfd16..9fcd1fb2e482 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h @@ -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__ */ |
