diff --git a/msm/dsi/dsi_panel.c b/msm/dsi/dsi_panel.c index cdde192e19ac..456fcf52574c 100644 --- a/msm/dsi/dsi_panel.c +++ b/msm/dsi/dsi_panel.c @@ -378,6 +378,10 @@ static int dsi_panel_power_off(struct dsi_panel *panel) { int rc = 0; + if (panel->is_twm_en) { + DSI_DEBUG("TWM Enabled, skip panel power off\n"); + return rc; + } if (gpio_is_valid(panel->reset_config.disp_en_gpio)) gpio_set_value(panel->reset_config.disp_en_gpio, 0); @@ -4305,6 +4309,10 @@ int dsi_panel_set_nolp(struct dsi_panel *panel) return -EINVAL; } + if (panel->is_twm_en) { + DSI_DEBUG("TWM Enabled, skip idle off\n"); + return rc; + } mutex_lock(&panel->panel_lock); if (!panel->panel_initialized) goto exit; @@ -4717,6 +4725,10 @@ int dsi_panel_disable(struct dsi_panel *panel) return -EINVAL; } + if (panel->is_twm_en) { + DSI_DEBUG("TWM Enabled, skip panel disable\n"); + return rc; + } mutex_lock(&panel->panel_lock); /* Avoid sending panel off commands when ESD recovery is underway */ diff --git a/msm/dsi/dsi_panel.h b/msm/dsi/dsi_panel.h index b0c259dacce1..f3902274930b 100644 --- a/msm/dsi/dsi_panel.h +++ b/msm/dsi/dsi_panel.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2016-2020, 2021 The Linux Foundation. All rights reserved. */ #ifndef _DSI_PANEL_H_ @@ -244,6 +244,7 @@ struct dsi_panel { bool reset_gpio_always_on; atomic_t esd_recovery_pending; + bool is_twm_en; bool panel_initialized; bool te_using_watchdog_timer; struct dsi_qsync_capabilities qsync_caps; diff --git a/msm/sde/sde_connector.c b/msm/sde/sde_connector.c index fdd72a459363..8725798c3fe4 100644 --- a/msm/sde/sde_connector.c +++ b/msm/sde/sde_connector.c @@ -2865,18 +2865,21 @@ static ssize_t twm_enable_store(struct device *device, { struct drm_connector *conn; struct sde_connector *sde_conn; + struct dsi_display *dsi_display; int rc; int data; conn = dev_get_drvdata(device); sde_conn = to_sde_connector(conn); - + dsi_display = (struct dsi_display *) sde_conn->display; rc = kstrtoint(buf, 10, &data); if (rc) { - SDE_ERROR("kstrtoint failed, rc =%d\n", rc); + SDE_ERROR("kstrtoint failed, rc = %d\n", rc); return -EINVAL; } sde_conn->twm_en = data ? true : false; + dsi_display->panel->is_twm_en = sde_conn->twm_en; + sde_conn->allow_bl_update = data ? false : true; SDE_DEBUG("TWM: %s\n", sde_conn->twm_en ? "ENABLED" : "DISABLED"); return count; }