evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: dp: avoid aux transactions if dp cable is disconnected"

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Linux Build Service Account 2017-07-28 16:48:59 -07:00 • committed by Gerrit - the friendly Code Review server
commit 826a2e3cd0
1 changed files with 10 additions and 0 deletions
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10
drivers/video/fbdev/msm/mdss_dp_aux.c
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@ -395,6 +395,7 @@ static int dp_aux_rw_cmds_retry(struct mdss_dp_drv_pdata *dp,
int i;
u32 aux_cfg1_config_count;
int ret;
bool connected = false;
aux_cfg1_config_count = mdss_dp_phy_aux_get_config_cnt(dp,
PHY_AUX_CFG1);
@ -404,6 +405,15 @@ retry:
do {
struct edp_cmd cmd1 = *cmd;
mutex_lock(&dp->attention_lock);
connected = dp->cable_connected;
mutex_unlock(&dp->attention_lock);
if (!connected) {
pr_err("dp cable disconnected\n");
break;
}
dp->aux_error_num = EDP_AUX_ERR_NONE;
pr_debug("Trying %s, iteration count: %d\n",
mdss_dp_aux_transaction_to_string(transaction),