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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.c66
1 files changed, 15 insertions, 51 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 7267167d5ef1..6d79f1b910a5 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -233,6 +233,20 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev)
hdmi->pwr_clks[i] = clk;
}
+ hdmi->hpd_gpiod = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
+ /* This will catch e.g. -EPROBE_DEFER */
+ if (IS_ERR(hdmi->hpd_gpiod)) {
+ ret = PTR_ERR(hdmi->hpd_gpiod);
+ DRM_DEV_ERROR(&pdev->dev, "failed to get hpd gpio: (%d)\n", ret);
+ goto fail;
+ }
+
+ if (!hdmi->hpd_gpiod)
+ DBG("failed to get HPD gpio");
+
+ if (hdmi->hpd_gpiod)
+ gpiod_set_consumer_name(hdmi->hpd_gpiod, "HDMI_HPD");
+
pm_runtime_enable(&pdev->dev);
hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0);
@@ -409,20 +423,6 @@ static struct hdmi_platform_config hdmi_tx_8996_config = {
.hpd_freq = hpd_clk_freq_8x74,
};
-static const struct {
- const char *name;
- const bool output;
- const int value;
- const char *label;
-} msm_hdmi_gpio_pdata[] = {
- { "qcom,hdmi-tx-ddc-clk", true, 1, "HDMI_DDC_CLK" },
- { "qcom,hdmi-tx-ddc-data", true, 1, "HDMI_DDC_DATA" },
- { "qcom,hdmi-tx-hpd", false, 1, "HDMI_HPD" },
- { "qcom,hdmi-tx-mux-en", true, 1, "HDMI_MUX_EN" },
- { "qcom,hdmi-tx-mux-sel", true, 0, "HDMI_MUX_SEL" },
- { "qcom,hdmi-tx-mux-lpm", true, 1, "HDMI_MUX_LPM" },
-};
-
/*
* HDMI audio codec callbacks
*/
@@ -534,7 +534,7 @@ static int msm_hdmi_bind(struct device *dev, struct device *master, void *data)
struct hdmi_platform_config *hdmi_cfg;
struct hdmi *hdmi;
struct device_node *of_node = dev->of_node;
- int i, err;
+ int err;
hdmi_cfg = (struct hdmi_platform_config *)
of_device_get_match_data(dev);
@@ -546,42 +546,6 @@ static int msm_hdmi_bind(struct device *dev, struct device *master, void *data)
hdmi_cfg->mmio_name = "core_physical";
hdmi_cfg->qfprom_mmio_name = "qfprom_physical";
- for (i = 0; i < HDMI_MAX_NUM_GPIO; i++) {
- const char *name = msm_hdmi_gpio_pdata[i].name;
- struct gpio_desc *gpiod;
-
- /*
- * We are fetching the GPIO lines "as is" since the connector
- * code is enabling and disabling the lines. Until that point
- * the power-on default value will be kept.
- */
- gpiod = devm_gpiod_get_optional(dev, name, GPIOD_ASIS);
- /* This will catch e.g. -PROBE_DEFER */
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- if (!gpiod) {
- /* Try a second time, stripping down the name */
- char name3[32];
-
- /*
- * Try again after stripping out the "qcom,hdmi-tx"
- * prefix. This is mainly to match "hpd-gpios" used
- * in the upstream bindings.
- */
- if (sscanf(name, "qcom,hdmi-tx-%s", name3))
- gpiod = devm_gpiod_get_optional(dev, name3, GPIOD_ASIS);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- if (!gpiod)
- DBG("failed to get gpio: %s", name);
- }
- hdmi_cfg->gpios[i].gpiod = gpiod;
- if (gpiod)
- gpiod_set_consumer_name(gpiod, msm_hdmi_gpio_pdata[i].label);
- hdmi_cfg->gpios[i].output = msm_hdmi_gpio_pdata[i].output;
- hdmi_cfg->gpios[i].value = msm_hdmi_gpio_pdata[i].value;
- }
-
dev->platform_data = hdmi_cfg;
hdmi = msm_hdmi_init(to_platform_device(dev));