Merge "msm: mdss: dp: avoid aux transactions if dp cable is disconnected" (826a2e3c) · Commits · e / devices / android_kernel_sony_msm8998

drivers/video/fbdev/msm/mdss_dp_aux.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -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),