diff options
Diffstat (limited to 'auth-control.c')
| -rw-r--r-- | auth-control.c | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/auth-control.c b/auth-control.c index f1cd0fb..37bb48d 100644 --- a/auth-control.c +++ b/auth-control.c @@ -30,6 +30,13 @@ module_param(max_ver, ulong, 0664); MODULE_PARM_DESC(max_ver, "support up to specific hdcp version by setting max_ver=x"); +static unsigned long max_retry_count = 5; +module_param(max_retry_count, ulong, 0664); +MODULE_PARM_DESC(max_retry_count, + "set number of allowed retry times by setting max_retry_count=x"); + +static uint32_t hdcp_auth_try_count = 0; + int hdcp_get_auth_state(void) { return state; } @@ -50,7 +57,7 @@ static int run_hdcp2_auth(void) { } else if (ret != -EAGAIN) { return ret; } - hdcp_info("HDCP22 Retry...\n"); + hdcp_info("HDCP22 Retry(%d)...\n", i); } return -EIO; @@ -103,23 +110,45 @@ static void hdcp_worker(struct work_struct *work) { } void hdcp_dplink_handle_irq(void) { - if (state == HDCP2_AUTH_PROGRESS || state == HDCP2_AUTH_DONE) { - if (hdcp22_dplink_handle_irq() == -EAGAIN) - schedule_delayed_work(&hdcp_dev->hdcp_work, 0); - return; + int ret = 0; + + switch (state) { + case HDCP2_AUTH_PROGRESS: + hdcp22_dplink_handle_irq(); + break; + case HDCP2_AUTH_DONE: + ret = hdcp22_dplink_handle_irq(); + break; + case HDCP1_AUTH_DONE: + ret = hdcp13_dplink_handle_irq(); + break; + default: + hdcp_info("HDCP irq ignored during state(%d)\n", state); } - if (state == HDCP1_AUTH_DONE) { - if (hdcp13_dplink_handle_irq() == -EAGAIN) - schedule_delayed_work(&hdcp_dev->hdcp_work, 0); - return; + if (ret == -EFAULT) { + if (hdcp_auth_try_count >= max_retry_count) { + hdcp_err("HDCP disabled until next physical re-connect"\ + "tried %lu times\n", max_retry_count); + return; + } + hdcp_auth_try_count++; } + + if (ret == -EAGAIN || ret == -EFAULT) + schedule_delayed_work(&hdcp_dev->hdcp_work, 0); } EXPORT_SYMBOL_GPL(hdcp_dplink_handle_irq); void hdcp_dplink_connect_state(enum dp_state dp_hdcp_state) { hdcp_info("Displayport connect info (%d)\n", dp_hdcp_state); + + if (dp_hdcp_state == DP_PHYSICAL_DISCONNECT) { + hdcp_auth_try_count = 0; + return; + } + hdcp_tee_connect_info((int)dp_hdcp_state); if (dp_hdcp_state == DP_DISCONNECT) { hdcp13_dplink_abort(); @@ -131,6 +160,12 @@ void hdcp_dplink_connect_state(enum dp_state dp_hdcp_state) { return; } + if (hdcp_auth_try_count >= max_retry_count) { + hdcp_err("HDCP disabled until next physical re-connect"\ + "tried %lu times\n", max_retry_count); + return; + } + hdcp_auth_try_count++; schedule_delayed_work(&hdcp_dev->hdcp_work, msecs_to_jiffies(HDCP_SCHEDULE_DELAY_MSEC)); return; |