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Merge "disp: msm: set voltage to min before disable"

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qctecmdr 2020-05-08 04:03:50 -07:00 committed by Gerrit - the friendly Code Review server
commit 7116441b24
5 changed files with 32 additions and 55 deletions
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6
include/linux/sde_io_util.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2012, 2017-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2012, 2017-2020, The Linux Foundation. All rights reserved.
*/
#ifndef __SDE_IO_UTIL_H__
@ -89,8 +89,8 @@ void msm_dss_iounmap(struct dss_io_data *io_data);
int msm_dss_enable_gpio(struct dss_gpio *in_gpio, int num_gpio, int enable);
int msm_dss_gpio_enable(struct dss_gpio *in_gpio, int num_gpio, int enable);
int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
int num_vreg, int config);
int msm_dss_get_vreg(struct device *dev, struct dss_vreg *in_vreg,
int num_vreg, int enable);
int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable);
int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk);

6
msm/dp/dp_power.c
View File

@ -39,14 +39,14 @@ static int dp_power_regulator_init(struct dp_power_private *power)
pdev = power->pdev;
for (i = DP_CORE_PM; !rc && (i < DP_MAX_PM); i++) {
rc = msm_dss_config_vreg(&pdev->dev,
rc = msm_dss_get_vreg(&pdev->dev,
parser->mp[i].vreg_config,
parser->mp[i].num_vreg, 1);
if (rc) {
DP_ERR("failed to init vregs for %s\n",
dp_parser_pm_name(i));
for (j = i - 1; j >= DP_CORE_PM; j--) {
msm_dss_config_vreg(&pdev->dev,
msm_dss_get_vreg(&pdev->dev,
parser->mp[j].vreg_config,
parser->mp[j].num_vreg, 0);
}
@ -68,7 +68,7 @@ static void dp_power_regulator_deinit(struct dp_power_private *power)
pdev = power->pdev;
for (i = DP_CORE_PM; (i < DP_MAX_PM); i++) {
rc = msm_dss_config_vreg(&pdev->dev,
rc = msm_dss_get_vreg(&pdev->dev,
parser->mp[i].vreg_config,
parser->mp[i].num_vreg, 0);
if (rc)

13
msm/dsi/dsi_pwr.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
*/
#include <linux/of.h>
@ -179,15 +179,16 @@ static int dsi_pwr_enable_vregs(struct dsi_regulator_info *regs, bool enable)
usleep_range((pre_off_ms * 1000),
(pre_off_ms * 1000) + 10);
if (regs->vregs[i].off_min_voltage)
(void)regulator_set_voltage(regs->vregs[i].vreg,
regs->vregs[i].off_min_voltage,
regs->vregs[i].max_voltage);
(void)regulator_set_load(regs->vregs[i].vreg,
regs->vregs[i].disable_load);
(void)regulator_disable(regs->vregs[i].vreg);
num_of_v = regulator_count_voltages(vreg->vreg);
if (num_of_v > 0)
(void)regulator_set_voltage(regs->vregs[i].vreg,
regs->vregs[i].off_min_voltage,
regs->vregs[i].max_voltage);
if (post_off_ms)
usleep_range((post_off_ms * 1000),
(post_off_ms * 1000) + 10);

54
msm/sde_io_util.c
View File

@ -129,17 +129,16 @@ void msm_dss_iounmap(struct dss_io_data *io_data)
} /* msm_dss_iounmap */
EXPORT_SYMBOL(msm_dss_iounmap);
int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
int num_vreg, int config)
int msm_dss_get_vreg(struct device *dev, struct dss_vreg *in_vreg,
int num_vreg, int enable)
{
int i = 0, rc = 0;
struct dss_vreg *curr_vreg = NULL;
enum dss_vreg_type type;
if (!in_vreg || !num_vreg)
return rc;
if (config) {
if (enable) {
for (i = 0; i < num_vreg; i++) {
curr_vreg = &in_vreg[i];
curr_vreg->vreg = regulator_get(dev,
@ -152,33 +151,11 @@ int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
curr_vreg->vreg = NULL;
goto vreg_get_fail;
}
type = (regulator_count_voltages(curr_vreg->vreg) > 0)
? DSS_REG_LDO : DSS_REG_VS;
if (type == DSS_REG_LDO) {
rc = regulator_set_voltage(
curr_vreg->vreg,
curr_vreg->min_voltage,
curr_vreg->max_voltage);
if (rc < 0) {
DEV_ERR("%pS->%s: %s set vltg fail\n",
__builtin_return_address(0),
__func__,
curr_vreg->vreg_name);
goto vreg_set_voltage_fail;
}
}
}
} else {
for (i = num_vreg-1; i >= 0; i--) {
curr_vreg = &in_vreg[i];
if (curr_vreg->vreg) {
type = (regulator_count_voltages(
curr_vreg->vreg) > 0)
? DSS_REG_LDO : DSS_REG_VS;
if (type == DSS_REG_LDO) {
regulator_set_voltage(curr_vreg->vreg,
0, curr_vreg->max_voltage);
}
regulator_put(curr_vreg->vreg);
curr_vreg->vreg = NULL;
}
@ -186,24 +163,16 @@ int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
}
return 0;
vreg_unconfig:
if (type == DSS_REG_LDO)
regulator_set_load(curr_vreg->vreg, 0);
vreg_set_voltage_fail:
regulator_put(curr_vreg->vreg);
curr_vreg->vreg = NULL;
vreg_get_fail:
for (i--; i >= 0; i--) {
curr_vreg = &in_vreg[i];
type = (regulator_count_voltages(curr_vreg->vreg) > 0)
? DSS_REG_LDO : DSS_REG_VS;
goto vreg_unconfig;
regulator_set_load(curr_vreg->vreg, 0);
regulator_put(curr_vreg->vreg);
curr_vreg->vreg = NULL;
}
return rc;
} /* msm_dss_config_vreg */
EXPORT_SYMBOL(msm_dss_config_vreg);
} /* msm_dss_get_vreg */
EXPORT_SYMBOL(msm_dss_get_vreg);
static bool msm_dss_is_hw_controlled(struct dss_vreg in_vreg)
{
@ -255,6 +224,10 @@ int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
in_vreg[i].vreg_name);
goto vreg_set_opt_mode_fail;
}
if (regulator_count_voltages(in_vreg[i].vreg) > 0)
regulator_set_voltage(in_vreg[i].vreg,
in_vreg[i].min_voltage,
in_vreg[i].max_voltage);
rc = regulator_enable(in_vreg[i].vreg);
if (in_vreg[i].post_on_sleep && need_sleep)
usleep_range(in_vreg[i].post_on_sleep * 1000,
@ -277,6 +250,9 @@ int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
regulator_set_load(in_vreg[i].vreg,
in_vreg[i].disable_load);
regulator_disable(in_vreg[i].vreg);
if (regulator_count_voltages(in_vreg[i].vreg) > 0)
regulator_set_voltage(in_vreg[i].vreg, 0,
in_vreg[i].max_voltage);
if (in_vreg[i].post_off_sleep)
usleep_range(in_vreg[i].post_off_sleep * 1000,
(in_vreg[i].post_off_sleep * 1000) + 10);

8
msm/sde_power_handle.c
View File

@ -574,10 +574,10 @@ int sde_power_resource_init(struct platform_device *pdev,
goto parse_vreg_err;
}
rc = msm_dss_config_vreg(&pdev->dev,
rc = msm_dss_get_vreg(&pdev->dev,
mp->vreg_config, mp->num_vreg, 1);
if (rc) {
pr_err("vreg config failed rc=%d\n", rc);
pr_err("get config failed rc=%d\n", rc);
goto vreg_err;
}
@ -613,7 +613,7 @@ bus_err:
clkset_err:
msm_dss_put_clk(mp->clk_config, mp->num_clk);
clkget_err:
msm_dss_config_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
msm_dss_get_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
vreg_err:
if (mp->vreg_config)
devm_kfree(&pdev->dev, mp->vreg_config);
@ -653,7 +653,7 @@ void sde_power_resource_deinit(struct platform_device *pdev,
msm_dss_put_clk(mp->clk_config, mp->num_clk);
msm_dss_config_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
msm_dss_get_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
if (mp->clk_config)
devm_kfree(&pdev->dev, mp->clk_config);