diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/cdn-dp-core.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-core.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index b8d0dd7abc61..a70eedc88e1a 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -939,6 +939,10 @@ static void cdn_dp_pd_event_work(struct work_struct *work) u8 sink_count; mutex_lock(&dp->lock); + + if (dp->suspended) + goto out; + ret = cdn_dp_request_firmware(dp); if (ret) goto out; @@ -1123,19 +1127,26 @@ static const struct component_ops cdn_dp_component_ops = { int cdn_dp_suspend(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev); + int ret = 0; + mutex_lock(&dp->lock); if (dp->active) - return cdn_dp_disable(dp); + ret = cdn_dp_disable(dp); + dp->suspended = true; + mutex_unlock(&dp->lock); - return 0; + return ret; } int cdn_dp_resume(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev); + mutex_lock(&dp->lock); + dp->suspended = false; if (dp->fw_loaded) schedule_work(&dp->event_work); + mutex_unlock(&dp->lock); return 0; } |