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msm/dsi: add shutdown function to power down panel

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When shut down phone, it will call shutdown function to shut down device.
That can meet the power down timing requirements of panel.

Change-Id: If5f5eb57934559d8c6aa979431d434bf89d33de9
Signed-off-by: houdz1 <houdz1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2063775
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
houdz1 2021-09-10 11:37:57 +08:00 • committed by tongkun1
commit cf526d3224
4 changed files with 51 additions and 0 deletions
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46
msm/dsi/dsi_display.c
View file

@ -6406,8 +6406,54 @@ static struct platform_driver dsi_display_driver = {
.of_match_table = dsi_display_dt_match,
.suppress_bind_attrs = true,
},
.shutdown = dsi_display_dev_shutdown,
};
void dsi_display_dev_shutdown(struct platform_device *pdev)
{
int rc = 0;
struct dsi_display *display;
struct dsi_panel *panel;
if (!pdev) {
DSI_ERR("Invalid device\n");
return;
}
display = platform_get_drvdata(pdev);
if (display == NULL || display->panel == NULL) {
DSI_ERR("Invalid device\n");
return;
}
panel = display->panel;
if (!panel->need_execute_shutdown) {
return;
}
if (gpio_is_valid(panel->reset_config.disp_en_gpio))
gpio_set_value(panel->reset_config.disp_en_gpio, 0);
if (gpio_is_valid(panel->reset_config.reset_gpio))
gpio_set_value(panel->reset_config.reset_gpio, 0);
if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
gpio_set_value(panel->reset_config.lcd_mode_sel_gpio, 0);
if (gpio_is_valid(panel->panel_test_gpio)) {
rc = gpio_direction_input(panel->panel_test_gpio);
if (rc)
DSI_WARN("set dir for panel test gpio failed rc=%d\n", rc);
}
rc = dsi_pwr_enable_regulator(&panel->power_info, false);
if (rc)
DSI_ERR("[%s] failed to enable vregs, rc=%d\n", panel->name, rc);
}
static int dsi_display_init(struct dsi_display *display)
{
int rc = 0;

1
msm/dsi/dsi_display.h
View file

@ -308,6 +308,7 @@ struct dsi_display {
int dsi_display_dev_probe(struct platform_device *pdev);
int dsi_display_dev_remove(struct platform_device *pdev);
void dsi_display_dev_shutdown(struct platform_device *pdev);
/**
* dsi_display_get_num_of_displays() - returns number of display devices

3
msm/dsi/dsi_panel.c
View file

@ -2609,6 +2609,9 @@ static int dsi_panel_parse_misc_features(struct dsi_panel *panel)
panel->skip_panel_off = utils->read_bool(utils->data,
"qcom,skip-panel-power-off");
panel->need_execute_shutdown = utils->read_bool(utils->data,
"qcom,platform-need-execute-shutdown");
panel->spr_info.enable = false;
panel->spr_info.pack_type = MSM_DISPLAY_SPR_TYPE_MAX;

1
msm/dsi/dsi_panel.h
View file

@ -332,6 +332,7 @@ struct dsi_panel {
bool ulps_suspend_enabled;
bool allow_phy_power_off;
bool reset_gpio_always_on;
bool need_execute_shutdown;
atomic_t esd_recovery_pending;
bool is_twm_en;