lisa/android_kernel_xiaomi_sm8350
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disp: msm: add support for twm entry

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Skip backlight updates and panel off commands
during twm entry.

Change-Id: I7656fa0d513a8a3e82d9bbbf5c3f85c1b84ee9da
Signed-off-by: osaisruj <osaisruj@codeaurora.org>
This commit is contained in:
osaisruj 2021-11-01 01:15:18 +05:30
parent 05ccf7d278
commit 1e20848d49
3 changed files with 19 additions and 3 deletions
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12
msm/dsi/dsi_panel.c
View File

@ -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 */

3
msm/dsi/dsi_panel.h
View File

@ -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;

7
msm/sde/sde_connector.c
View File

@ -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;
}