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Diffstat (limited to 'drivers/gpu/host1x/channel.c')
| -rw-r--r-- | drivers/gpu/host1x/channel.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/channel.c b/drivers/gpu/host1x/channel.c index 79501c957532..08077afe4cde 100644 --- a/drivers/gpu/host1x/channel.c +++ b/drivers/gpu/host1x/channel.c @@ -81,6 +81,25 @@ void host1x_channel_stop(struct host1x_channel *channel) } EXPORT_SYMBOL(host1x_channel_stop); +/** + * host1x_channel_stop_all() - disable CDMA on allocated channels + * @host: host1x instance + * + * Stop CDMA on allocated channels + */ +void host1x_channel_stop_all(struct host1x *host) +{ + struct host1x_channel_list *chlist = &host->channel_list; + int bit; + + mutex_lock(&chlist->lock); + + for_each_set_bit(bit, chlist->allocated_channels, host->info->nb_channels) + host1x_channel_stop(&chlist->channels[bit]); + + mutex_unlock(&chlist->lock); +} + static void release_channel(struct kref *kref) { struct host1x_channel *channel = |