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Commit ec570b7f authored by Arun kumar's avatar Arun kumar Committed by Gerrit - the friendly Code Review server
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msm: mdss: use platform-enable-gpio on msm8909w BG 



Use platform-enable-gpio to control buffer connected
on panel reset gpio.
This helps in avoiding panel reset during TWM entry.

Change-Id: I6a0706c593202ab62acf332690d3255acbfd49f8
Signed-off-by: default avatarArun kumar <akanak@codeaurora.org>
parent 162db220

drivers/video/fbdev/msm/mdp3_ctrl.c

+17 −3
Original line number Diff line number Diff line
@@ -1073,12 +1073,26 @@ static int mdp3_ctrl_off(struct msm_fb_data_type *mfd) 
	}



	if (panel->event_handler) {

		if (mdp3_is_twm_en())

			pr_info("TWM Enabled skip MDSS_EVENT_PANEL_OFF\n");

		else

		if (mdp3_is_twm_en()) {

			pr_info("TWM active skip panel off, disable disp_en\n");

			if (gpio_is_valid(panel->panel_en_gpio)) {

				rc = gpio_direction_output(

					panel->panel_en_gpio, 1);

			if (rc) {

				pr_err("%s:set dir for gpio(%d) FAIL\n",

					__func__, panel->panel_en_gpio);

			} else {

				gpio_set_value((panel->panel_en_gpio), 0);

				usleep_range(100, 110);

				pr_debug("%s:set disp_en_gpio_%d Low\n",

					__func__, panel->panel_en_gpio);

				}

			}

		} else {

			rc = panel->event_handler(panel, MDSS_EVENT_PANEL_OFF,

				(void *) (long int)mfd->panel_power_state);

		}

	}

	if (rc)

		pr_err("EVENT_PANEL_OFF error (%d)\n", rc);

drivers/video/fbdev/msm/mdss_dsi.c

+1 −0
Original line number Diff line number Diff line
@@ -4070,6 +4070,7 @@ static int mdss_dsi_parse_gpio_params(struct platform_device *ctrl_pdev, 
		if (!gpio_is_valid(ctrl_pdata->disp_en_gpio))

			pr_debug("%s:%d, Disp_en gpio not specified\n",

					__func__, __LINE__);

		pdata->panel_en_gpio = ctrl_pdata->disp_en_gpio;

	}



	ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,

drivers/video/fbdev/msm/mdss_dsi_panel.c

+3 −0
Original line number Diff line number Diff line
@@ -427,6 +427,8 @@ int mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable) 
						__func__);

					goto exit;

				}

				gpio_set_value((ctrl_pdata->disp_en_gpio), 1);

				usleep_range(100, 110);

			}



			if (pdata->panel_info.rst_seq_len) {
@@ -497,6 +499,7 @@ int mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable) 
		}

		if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) {

			gpio_set_value((ctrl_pdata->disp_en_gpio), 0);

			usleep_range(100, 110);

			gpio_free(ctrl_pdata->disp_en_gpio);

		}

		gpio_set_value((ctrl_pdata->rst_gpio), 0);

drivers/video/fbdev/msm/mdss_panel.h

+1 −0
Original line number Diff line number Diff line
@@ -821,6 +821,7 @@ struct mdss_panel_data { 
	struct mdss_panel_data *next;



	int panel_te_gpio;

	int panel_en_gpio;

	struct completion te_done;

};