97 lines
2.7 KiB
Diff
97 lines
2.7 KiB
Diff
From d5f4cb5822810fb9310d976216330c988e94848d Mon Sep 17 00:00:00 2001
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From: Brian Kim <brian.kim@hardkernel.com>
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Date: Thu, 5 Jan 2017 19:05:44 +0900
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Subject: [PATCH 01/75] ODROID-XU4: drm/exynos/hdmi: add 'HPD' and 'vout' as
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boot parameters
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Change-Id: Ia3c94b0ee99e761a774ac63398ca86477b703b8c
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Signed-off-by: Brian Kim <brian.kim@hardkernel.com>
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Signed-off-by: memeka <mihailescu2m@gmail.com>
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Signed-off-by: Dongjin Kim <tobetter@gmail.com>
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Signed-off-by: memeka <mihailescu2m@gmail.com>
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---
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drivers/gpu/drm/exynos/exynos_hdmi.c | 39 +++++++++++++++++++++++++++-
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1 file changed, 38 insertions(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
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index 7655142a4651..70c2e90df12e 100644
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--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
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+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
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@@ -145,6 +145,33 @@ struct hdmi_context {
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bool powered;
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};
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+static bool gdvi_mode = false;
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+static bool gEnableHPD = true;
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+
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+static int __init dvi_force_enable(char *str)
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+{
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+ if (!strcmp(str, "dvi")) {
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+ gdvi_mode = true;
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+ pr_info("hdmi: using DVI mode\n");
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+ } else {
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+ gdvi_mode = false;
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+ pr_info("hdmi: using HDMI mode\n");
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+ }
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+
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+ return 0;
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+}
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+__setup("vout=", dvi_force_enable);
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+
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+static int __init hdmi_hpd_enable(char *str)
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+{
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+ if (!strcmp(str, "false")) {
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+ gEnableHPD = false;
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+ }
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+
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+ return 0;
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+}
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+__setup("HPD=", hdmi_hpd_enable);
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+
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static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
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{
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return container_of(e, struct hdmi_context, encoder);
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@@ -854,6 +881,9 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
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{
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struct hdmi_context *hdata = connector_to_hdmi(connector);
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+ if (!gEnableHPD)
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+ return connector_status_connected;
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+
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if (gpiod_get_value(hdata->hpd_gpio))
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return connector_status_connected;
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@@ -893,7 +923,10 @@ static int hdmi_get_modes(struct drm_connector *connector)
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if (!edid)
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return -ENODEV;
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- hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
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+ if (gdvi_mode)
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+ hdata->dvi_mode = true;
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+ else
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+ hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
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DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
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(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
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edid->width_cm, edid->height_cm);
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@@ -1593,6 +1626,9 @@ static int hdmi_audio_hw_params(struct device *dev, void *data,
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{
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struct hdmi_context *hdata = dev_get_drvdata(dev);
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+ if (hdata->dvi_mode)
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+ return 0;
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+
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if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
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daifmt->frame_clk_inv || daifmt->bit_clk_master ||
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daifmt->frame_clk_master) {
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@@ -1968,6 +2004,7 @@ static int hdmi_probe(struct platform_device *pdev)
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platform_set_drvdata(pdev, hdata);
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hdata->dev = dev;
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+ hdata->dvi_mode = gdvi_mode;
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mutex_init(&hdata->mutex);
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--
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2.25.1
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