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drm/msm/hdmi: use bulk regulator API

Browse source 
Switch to using bulk regulator API instead of hand coding loops.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20211015001100.4193241-1-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Dmitry Baryshkov 2021-10-15 03:10:59 +03:00 committed by Rob Clark
parent 89e56d5ed1
commit 31b3b1f5e3
5 changed files with 40 additions and 77 deletions
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34
drivers/gpu/drm/msm/hdmi/hdmi.c
View file

@ -152,19 +152,13 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev)
ret = -ENOMEM;
goto fail;
}
for (i = 0; i < config->hpd_reg_cnt; i++) {
struct regulator *reg;
for (i = 0; i < config->hpd_reg_cnt; i++)
hdmi->hpd_regs[i].supply = config->hpd_reg_names[i];
reg = devm_regulator_get(&pdev->dev,
config->hpd_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
goto fail;
}
hdmi->hpd_regs[i] = reg;
ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt, hdmi->hpd_regs);
if (ret) {
DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %d\n", ret);
goto fail;
}
hdmi->pwr_regs = devm_kcalloc(&pdev->dev,
@ -175,19 +169,11 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev)
ret = -ENOMEM;
goto fail;
}
for (i = 0; i < config->pwr_reg_cnt; i++) {
struct regulator *reg;
reg = devm_regulator_get(&pdev->dev,
config->pwr_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %s (%d)\n",
config->pwr_reg_names[i], ret);
goto fail;
}
hdmi->pwr_regs[i] = reg;
ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs);
if (ret) {
DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret);
goto fail;
}
hdmi->hpd_clks = devm_kcalloc(&pdev->dev,

6
drivers/gpu/drm/msm/hdmi/hdmi.h
View file

@ -56,8 +56,8 @@ struct hdmi {
void __iomem *qfprom_mmio;
phys_addr_t mmio_phy_addr;
struct regulator **hpd_regs;
struct regulator **pwr_regs;
struct regulator_bulk_data *hpd_regs;
struct regulator_bulk_data *pwr_regs;
struct clk **hpd_clks;
struct clk **pwr_clks;
@ -163,7 +163,7 @@ struct hdmi_phy {
void __iomem *mmio;
struct hdmi_phy_cfg *cfg;
const struct hdmi_phy_funcs *funcs;
struct regulator **regs;
struct regulator_bulk_data *regs;
struct clk **clks;
};

20
drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
View file

@ -28,13 +28,9 @@ static void msm_hdmi_power_on(struct drm_bridge *bridge)
pm_runtime_get_sync(&hdmi->pdev->dev);
for (i = 0; i < config->pwr_reg_cnt; i++) {
ret = regulator_enable(hdmi->pwr_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to enable pwr regulator: %s (%d)\n",
config->pwr_reg_names[i], ret);
}
}
ret = regulator_bulk_enable(config->pwr_reg_cnt, hdmi->pwr_regs);
if (ret)
DRM_DEV_ERROR(dev->dev, "failed to enable pwr regulator: %d\n", ret);
if (config->pwr_clk_cnt > 0) {
DBG("pixclock: %lu", hdmi->pixclock);
@ -70,13 +66,9 @@ static void power_off(struct drm_bridge *bridge)
for (i = 0; i < config->pwr_clk_cnt; i++)
clk_disable_unprepare(hdmi->pwr_clks[i]);
for (i = 0; i < config->pwr_reg_cnt; i++) {
ret = regulator_disable(hdmi->pwr_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to disable pwr regulator: %s (%d)\n",
config->pwr_reg_names[i], ret);
}
}
ret = regulator_bulk_disable(config->pwr_reg_cnt, hdmi->pwr_regs);
if (ret)
DRM_DEV_ERROR(dev->dev, "failed to disable pwr regulator: %d\n", ret);
pm_runtime_put_autosuspend(&hdmi->pdev->dev);
}

24
drivers/gpu/drm/msm/hdmi/hdmi_connector.c
View file

@ -146,16 +146,13 @@ int msm_hdmi_hpd_enable(struct drm_connector *connector)
const struct hdmi_platform_config *config = hdmi->config;
struct device *dev = &hdmi->pdev->dev;
uint32_t hpd_ctrl;
int i, ret;
int ret;
unsigned long flags;
for (i = 0; i < config->hpd_reg_cnt; i++) {
ret = regulator_enable(hdmi->hpd_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
goto fail;
}
ret = regulator_bulk_enable(config->hpd_reg_cnt, hdmi->hpd_regs);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable hpd regulators: %d\n", ret);
goto fail;
}
ret = pinctrl_pm_select_default_state(dev);
@ -207,7 +204,7 @@ static void hdp_disable(struct hdmi_connector *hdmi_connector)
struct hdmi *hdmi = hdmi_connector->hdmi;
const struct hdmi_platform_config *config = hdmi->config;
struct device *dev = &hdmi->pdev->dev;
int i, ret = 0;
int ret;
/* Disable HPD interrupt */
hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, 0);
@ -225,12 +222,9 @@ static void hdp_disable(struct hdmi_connector *hdmi_connector)
if (ret)
dev_warn(dev, "pinctrl state chg failed: %d\n", ret);
for (i = 0; i < config->hpd_reg_cnt; i++) {
ret = regulator_disable(hdmi->hpd_regs[i]);
if (ret)
dev_warn(dev, "failed to disable hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
}
ret = regulator_bulk_disable(config->hpd_reg_cnt, hdmi->hpd_regs);
if (ret)
dev_warn(dev, "failed to disable hpd regulator: %d\n", ret);
}
static void

33
drivers/gpu/drm/msm/hdmi/hdmi_phy.c
View file

@ -23,22 +23,15 @@ static int msm_hdmi_phy_resource_init(struct hdmi_phy *phy)
if (!phy->clks)
return -ENOMEM;
for (i = 0; i < cfg->num_regs; i++) {
struct regulator *reg;
for (i = 0; i < cfg->num_regs; i++)
phy->regs[i].supply = cfg->reg_names[i];
reg = devm_regulator_get(dev, cfg->reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
if (ret != -EPROBE_DEFER) {
DRM_DEV_ERROR(dev,
"failed to get phy regulator: %s (%d)\n",
cfg->reg_names[i], ret);
}
ret = devm_regulator_bulk_get(dev, cfg->num_regs, phy->regs);
if (ret) {
if (ret != -EPROBE_DEFER)
DRM_DEV_ERROR(dev, "failed to get phy regulators: %d\n", ret);
return ret;
}
phy->regs[i] = reg;
return ret;
}
for (i = 0; i < cfg->num_clks; i++) {
@ -66,11 +59,10 @@ int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy)
pm_runtime_get_sync(dev);
for (i = 0; i < cfg->num_regs; i++) {
ret = regulator_enable(phy->regs[i]);
if (ret)
DRM_DEV_ERROR(dev, "failed to enable regulator: %s (%d)\n",
cfg->reg_names[i], ret);
ret = regulator_bulk_enable(cfg->num_regs, phy->regs);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable regulators: (%d)\n", ret);
return ret;
}
for (i = 0; i < cfg->num_clks; i++) {
@ -92,8 +84,7 @@ void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy)
for (i = cfg->num_clks - 1; i >= 0; i--)
clk_disable_unprepare(phy->clks[i]);
for (i = cfg->num_regs - 1; i >= 0; i--)
regulator_disable(phy->regs[i]);
regulator_bulk_disable(cfg->num_regs, phy->regs);
pm_runtime_put_sync(dev);
}