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Merge "disp: msm: dp: fix for dp link layer cts failures"

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qctecmdr 2019-09-06 14:35:42 -07:00 • committed by Gerrit - the friendly Code Review server
commit f32cb6cf2f
1 changed files with 24 additions and 5 deletions
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29
msm/dp/dp_display.c
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@ -45,10 +45,12 @@ enum dp_display_states {
DP_STATE_INITIALIZED = BIT(1),
DP_STATE_READY = BIT(2),
DP_STATE_CONNECTED = BIT(3),
DP_STATE_ENABLED = BIT(4),
DP_STATE_SUSPENDED = BIT(5),
DP_STATE_ABORTED = BIT(6),
DP_STATE_HDCP_ABORTED = BIT(7),
DP_STATE_CONNECT_NOTIFIED = BIT(4),
DP_STATE_DISCONNECT_NOTIFIED = BIT(5),
DP_STATE_ENABLED = BIT(6),
DP_STATE_SUSPENDED = BIT(7),
DP_STATE_ABORTED = BIT(8),
DP_STATE_HDCP_ABORTED = BIT(9),
};
static char *dp_display_state_name(enum dp_display_states state)
@ -74,6 +76,14 @@ static char *dp_display_state_name(enum dp_display_states state)
len += scnprintf(buf + len, sizeof(buf) - len, "|%s|",
"CONNECTED");
if (state & DP_STATE_CONNECT_NOTIFIED)
len += scnprintf(buf + len, sizeof(buf) - len, "|%s|",
"CONNECT_NOTIFIED");
if (state & DP_STATE_DISCONNECT_NOTIFIED)
len += scnprintf(buf + len, sizeof(buf) - len, "|%s|",
"DISCONNECT_NOTIFIED");
if (state & DP_STATE_ENABLED)
len += scnprintf(buf + len, sizeof(buf) - len, "|%s|",
"ENABLED");
@ -653,6 +663,14 @@ static void dp_display_send_hpd_event(struct dp_display_private *dp)
envp[4] = NULL;
kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE,
envp);
if (connector->status == connector_status_connected) {
dp_display_state_add(DP_STATE_CONNECT_NOTIFIED);
dp_display_state_remove(DP_STATE_DISCONNECT_NOTIFIED);
} else {
dp_display_state_add(DP_STATE_DISCONNECT_NOTIFIED);
dp_display_state_remove(DP_STATE_CONNECT_NOTIFIED);
}
}
static int dp_display_send_hpd_notification(struct dp_display_private *dp)
@ -911,7 +929,8 @@ static int dp_display_process_hpd_low(struct dp_display_private *dp)
dp_display_process_mst_hpd_low(dp);
if (dp_display_state_is(DP_STATE_ENABLED) && !dp->mst.mst_active)
if (dp_display_state_is(DP_STATE_CONNECT_NOTIFIED) &&
!dp->mst.mst_active)
rc = dp_display_send_hpd_notification(dp);
mutex_lock(&dp->session_lock);