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path: root/drivers/gpu/drm/msm/hdmi/hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi.c')
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c133
1 files changed, 66 insertions, 67 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 248541ff4492..2fd388b892dc 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -8,6 +8,7 @@
#include <linux/gpio/consumer.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <drm/drm_bridge_connector.h>
@@ -199,12 +200,6 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
goto fail;
}
- ret = msm_hdmi_hpd_enable(hdmi->bridge);
- if (ret < 0) {
- DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n", ret);
- goto fail;
- }
-
return 0;
fail:
@@ -220,28 +215,24 @@ fail:
* The hdmi device:
*/
-#define HDMI_CFG(item, entry) \
- .item ## _names = item ##_names_ ## entry, \
- .item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry)
-
-static const char *hpd_reg_names_8960[] = {"core-vdda"};
-static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"};
+static const char * const pwr_reg_names_8960[] = {"core-vdda"};
+static const char * const pwr_clk_names_8960[] = {"core", "master_iface", "slave_iface"};
static const struct hdmi_platform_config hdmi_tx_8960_config = {
- HDMI_CFG(hpd_reg, 8960),
- HDMI_CFG(hpd_clk, 8960),
+ .pwr_reg_names = pwr_reg_names_8960,
+ .pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names_8960),
+ .pwr_clk_names = pwr_clk_names_8960,
+ .pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names_8960),
};
-static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
-static const char *pwr_clk_names_8x74[] = {"extp", "alt_iface"};
-static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core"};
-static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0};
+static const char * const pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
+static const char * const pwr_clk_names_8x74[] = {"iface", "core", "mdp_core", "alt_iface"};
static const struct hdmi_platform_config hdmi_tx_8974_config = {
- HDMI_CFG(pwr_reg, 8x74),
- HDMI_CFG(pwr_clk, 8x74),
- HDMI_CFG(hpd_clk, 8x74),
- .hpd_freq = hpd_clk_freq_8x74,
+ .pwr_reg_names = pwr_reg_names_8x74,
+ .pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names_8x74),
+ .pwr_clk_names = pwr_clk_names_8x74,
+ .pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names_8x74),
};
static int msm_hdmi_bind(struct device *dev, struct device *master, void *data)
@@ -264,9 +255,6 @@ static void msm_hdmi_unbind(struct device *dev, struct device *master,
struct msm_drm_private *priv = dev_get_drvdata(master);
if (priv->hdmi) {
- if (priv->hdmi->bridge)
- msm_hdmi_hpd_disable(priv->hdmi);
-
msm_hdmi_destroy(priv->hdmi);
priv->hdmi = NULL;
}
@@ -296,6 +284,7 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
hdmi->pdev = pdev;
hdmi->config = config;
spin_lock_init(&hdmi->reg_lock);
+ mutex_init(&hdmi->state_mutex);
ret = drm_of_find_panel_or_bridge(pdev->dev.of_node, 1, 0, NULL, &hdmi->next_bridge);
if (ret && ret != -ENODEV)
@@ -322,20 +311,6 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
if (hdmi->irq < 0)
return hdmi->irq;
- hdmi->hpd_regs = devm_kcalloc(&pdev->dev,
- config->hpd_reg_cnt,
- sizeof(hdmi->hpd_regs[0]),
- GFP_KERNEL);
- if (!hdmi->hpd_regs)
- return -ENOMEM;
-
- for (i = 0; i < config->hpd_reg_cnt; i++)
- hdmi->hpd_regs[i].supply = config->hpd_reg_names[i];
-
- ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt, hdmi->hpd_regs);
- if (ret)
- return dev_err_probe(dev, ret, "failed to get hpd regulators\n");
-
hdmi->pwr_regs = devm_kcalloc(&pdev->dev,
config->pwr_reg_cnt,
sizeof(hdmi->pwr_regs[0]),
@@ -350,25 +325,6 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(dev, ret, "failed to get pwr regulators\n");
- hdmi->hpd_clks = devm_kcalloc(&pdev->dev,
- config->hpd_clk_cnt,
- sizeof(hdmi->hpd_clks[0]),
- GFP_KERNEL);
- if (!hdmi->hpd_clks)
- return -ENOMEM;
-
- for (i = 0; i < config->hpd_clk_cnt; i++) {
- struct clk *clk;
-
- clk = msm_clk_get(pdev, config->hpd_clk_names[i]);
- if (IS_ERR(clk))
- return dev_err_probe(dev, PTR_ERR(clk),
- "failed to get hpd clk: %s\n",
- config->hpd_clk_names[i]);
-
- hdmi->hpd_clks[i] = clk;
- }
-
hdmi->pwr_clks = devm_kcalloc(&pdev->dev,
config->pwr_clk_cnt,
sizeof(hdmi->pwr_clks[0]),
@@ -376,17 +332,17 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
if (!hdmi->pwr_clks)
return -ENOMEM;
- for (i = 0; i < config->pwr_clk_cnt; i++) {
- struct clk *clk;
+ for (i = 0; i < config->pwr_clk_cnt; i++)
+ hdmi->pwr_clks[i].id = config->pwr_clk_names[i];
- clk = msm_clk_get(pdev, config->pwr_clk_names[i]);
- if (IS_ERR(clk))
- return dev_err_probe(dev, PTR_ERR(clk),
- "failed to get pwr clk: %s\n",
- config->pwr_clk_names[i]);
+ ret = devm_clk_bulk_get(&pdev->dev, config->pwr_clk_cnt, hdmi->pwr_clks);
+ if (ret)
+ return ret;
- hdmi->pwr_clks[i] = clk;
- }
+ hdmi->extp_clk = devm_clk_get_optional(&pdev->dev, "extp");
+ if (IS_ERR(hdmi->extp_clk))
+ return dev_err_probe(dev, PTR_ERR(hdmi->extp_clk),
+ "failed to get extp clock\n");
hdmi->hpd_gpiod = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
/* This will catch e.g. -EPROBE_DEFER */
@@ -432,6 +388,48 @@ static void msm_hdmi_dev_remove(struct platform_device *pdev)
msm_hdmi_put_phy(hdmi);
}
+static int msm_hdmi_runtime_suspend(struct device *dev)
+{
+ struct hdmi *hdmi = dev_get_drvdata(dev);
+ const struct hdmi_platform_config *config = hdmi->config;
+
+ clk_bulk_disable_unprepare(config->pwr_clk_cnt, hdmi->pwr_clks);
+
+ pinctrl_pm_select_sleep_state(dev);
+
+ regulator_bulk_disable(config->pwr_reg_cnt, hdmi->pwr_regs);
+
+ return 0;
+}
+
+static int msm_hdmi_runtime_resume(struct device *dev)
+{
+ struct hdmi *hdmi = dev_get_drvdata(dev);
+ const struct hdmi_platform_config *config = hdmi->config;
+ int ret;
+
+ ret = regulator_bulk_enable(config->pwr_reg_cnt, hdmi->pwr_regs);
+ if (ret)
+ return ret;
+
+ ret = pinctrl_pm_select_default_state(dev);
+ if (ret)
+ goto fail;
+
+ ret = clk_bulk_prepare_enable(config->pwr_clk_cnt, hdmi->pwr_clks);
+ if (ret)
+ goto fail;
+
+ return 0;
+
+fail:
+ pinctrl_pm_select_sleep_state(dev);
+
+ return ret;
+}
+
+DEFINE_RUNTIME_DEV_PM_OPS(msm_hdmi_pm_ops, msm_hdmi_runtime_suspend, msm_hdmi_runtime_resume, NULL);
+
static const struct of_device_id msm_hdmi_dt_match[] = {
{ .compatible = "qcom,hdmi-tx-8998", .data = &hdmi_tx_8974_config },
{ .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8974_config },
@@ -449,6 +447,7 @@ static struct platform_driver msm_hdmi_driver = {
.driver = {
.name = "hdmi_msm",
.of_match_table = msm_hdmi_dt_match,
+ .pm = &msm_hdmi_pm_ops,
},
};
generated by cgit (git 2.34.1) at 2025-05-30 15:19:08 +0000