diff options
| author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-05-27 18:11:51 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-05-27 18:11:50 -0700 |
| commit | bf485cf86ce04d8b1b943f78f50ee202e971a015 (patch) | |
| tree | 4a79c1ee38b795b8fdde1c34065d91c961407339 /drivers/video/fbdev | |
| parent | 533ba786ca8fabb0bb76f9356b42a95bdf6d4593 (diff) | |
| parent | accf510c82dc1bdb6f344d47d87fc3db0198d01a (diff) | |
Merge "msm: mdss: dp: fix display port crash caused by unclocked register access"
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dp.c b/drivers/video/fbdev/msm/mdss_dp.c index 37346c40d81d..a74bf6f60774 100644 --- a/drivers/video/fbdev/msm/mdss_dp.c +++ b/drivers/video/fbdev/msm/mdss_dp.c @@ -3045,6 +3045,10 @@ static int mdss_dp_event_handler(struct mdss_panel_data *pdata, rc = mdss_dp_on(pdata); break; case MDSS_EVENT_PANEL_ON: + if (!dp->power_on) { + pr_err("DP Controller not powered on\n"); + break; + } mdss_dp_update_hdcp_info(dp); if (dp_is_hdcp_enabled(dp)) { @@ -3065,6 +3069,10 @@ static int mdss_dp_event_handler(struct mdss_panel_data *pdata, complete_all(&dp->notification_comp); break; case MDSS_EVENT_BLANK: + if (!dp->power_on) { + pr_err("DP Controller not powered on\n"); + break; + } if (dp_is_hdcp_enabled(dp)) { dp->hdcp_status = HDCP_STATE_INACTIVE; |