Merge "msm: mdss: dp: fix notifications for link training tests" (a3851309) · Commits · e / devices / android_kernel_sony_msm8998

drivers/video/fbdev/msm/mdss_dp.c

+16 −2

Original line number	Diff line number	Diff line
		@@ -1512,8 +1512,14 @@ exit_loop:

		pr_debug("end\n");

		/* Send a connect notification */
		if (!mdss_dp_is_phy_test_pattern_requested(dp_drv))
		/*
		* Send a connect notification to clients except when processing link
		* training and electrical compliance tests. There is no need to send
		* a notification in these testing use cases as there is no
		* expectation of receiving a video signal as part of the test.
		*/
		if (!mdss_dp_is_phy_test_pattern_requested(dp_drv) &&
		!mdss_dp_is_link_training_requested(dp_drv))
		mdss_dp_notify_clients(dp_drv, NOTIFY_CONNECT_IRQ_HPD);

		return ret;
		@@ -1609,6 +1615,14 @@ int mdss_dp_on(struct mdss_panel_data *pdata)
		panel_data);

		if (dp_drv->power_on) {
		/*
		* Acknowledge the connection event if link training has already
		* been done. This will unblock the external display thread and
		* allow the driver to progress. For example, in the case of
		* video test pattern requests, to send the test response and
		* start transmitting the test pattern.
		*/
		mdss_dp_ack_state(dp_drv, true);
		pr_debug("Link already setup, return\n");
		return 0;
		}