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disp: msm: dsi: Add support to keep display reset pin high

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This change adds support to keep display reset pin high during
suspend state.

Change-Id: I8fab43d8f7b30fce72cc95277d016b72b914aa99
Signed-off-by: Ritesh Kumar <riteshk@codeaurora.org>
Signed-off-by: Steve Cohen <cohens@codeaurora.org>
This commit is contained in:
Ritesh Kumar
2020-06-08 13:02:56 +05:30
committed by Steve Cohen
parent d8ffbf3d39
commit 269ead80c7
2 changed files with 6 additions and 2 deletions
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7
msm/dsi/dsi_panel.c
View File

@@ -356,7 +356,8 @@ static int dsi_panel_power_off(struct dsi_panel *panel)
if (gpio_is_valid(panel->reset_config.disp_en_gpio)) if (gpio_is_valid(panel->reset_config.disp_en_gpio))
gpio_set_value(panel->reset_config.disp_en_gpio, 0); gpio_set_value(panel->reset_config.disp_en_gpio, 0);
if (gpio_is_valid(panel->reset_config.reset_gpio)) if (gpio_is_valid(panel->reset_config.reset_gpio) &&
!panel->reset_gpio_always_on)
gpio_set_value(panel->reset_config.reset_gpio, 0); gpio_set_value(panel->reset_config.reset_gpio, 0);
if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
@@ -1949,6 +1950,9 @@ static int dsi_panel_parse_misc_features(struct dsi_panel *panel)
panel->lp11_init = utils->read_bool(utils->data, panel->lp11_init = utils->read_bool(utils->data,
"qcom,mdss-dsi-lp11-init"); "qcom,mdss-dsi-lp11-init");
panel->reset_gpio_always_on = utils->read_bool(utils->data,
"qcom,platform-reset-gpio-always-on");
panel->spr_info.enable = false; panel->spr_info.enable = false;
panel->spr_info.pack_type = MSM_DISPLAY_SPR_TYPE_MAX; panel->spr_info.pack_type = MSM_DISPLAY_SPR_TYPE_MAX;
@@ -1970,7 +1974,6 @@ static int dsi_panel_parse_misc_features(struct dsi_panel *panel)
panel->spr_info.enable ? panel->spr_info.enable ?
msm_spr_pack_type_str[panel->spr_info.pack_type] : "none"); msm_spr_pack_type_str[panel->spr_info.pack_type] : "none");
return 0; return 0;
} }

1
msm/dsi/dsi_panel.h
View File

@@ -226,6 +226,7 @@ struct dsi_panel {
bool ulps_feature_enabled; bool ulps_feature_enabled;
bool ulps_suspend_enabled; bool ulps_suspend_enabled;
bool allow_phy_power_off; bool allow_phy_power_off;
bool reset_gpio_always_on;
atomic_t esd_recovery_pending; atomic_t esd_recovery_pending;
bool panel_initialized; bool panel_initialized;