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drm/rockchip: dw_hdmi: Support switch hdmi quantization range

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Add property hdmi_quant_range to switch hdmi quantization range.

Change-Id: I084cd2e1ccb46ed9757fe39802b90eedfbe466b4
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
This commit is contained in:
Algea Cao
2019-03-12 10:10:30 +08:00
committed by Tao Huang
parent 415f90e967
commit f4af517045
1 changed files with 39 additions and 0 deletions
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39
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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@@ -111,8 +111,10 @@ struct rockchip_hdmi {
struct drm_property *hdmi_output_property;
struct drm_property *colordepth_capacity;
struct drm_property *outputmode_capacity;
struct drm_property *quant_range;
unsigned int colordepth;
unsigned int hdmi_quant_range;
enum drm_hdmi_output_type hdmi_output;
};
@@ -645,6 +647,14 @@ dw_hdmi_rockchip_get_output_bus_format(void *data)
return hdmi->output_bus_format;
}
static unsigned long
dw_hdmi_rockchip_get_quant_range(void *data)
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
return hdmi->hdmi_quant_range;
}
static const struct drm_prop_enum_list color_depth_enum_list[] = {
{ 0, "Automatic" }, /* Prefer highest color depth */
{ 8, "24bit" },
@@ -661,6 +671,12 @@ static const struct drm_prop_enum_list drm_hdmi_output_enum_list[] = {
{ DRM_HDMI_OUTPUT_INVALID, "invalid_output" },
};
static const struct drm_prop_enum_list quant_range_enum_list[] = {
{ HDMI_QUANTIZATION_RANGE_DEFAULT, "default" },
{ HDMI_QUANTIZATION_RANGE_LIMITED, "limit" },
{ HDMI_QUANTIZATION_RANGE_FULL, "full" },
};
static void
dw_hdmi_rockchip_attach_properties(struct drm_connector *connector,
unsigned int color, int version,
@@ -739,6 +755,15 @@ dw_hdmi_rockchip_attach_properties(struct drm_connector *connector,
hdmi->outputmode_capacity = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
prop = drm_property_create_enum(connector->dev, 0,
"hdmi_quant_range",
quant_range_enum_list,
ARRAY_SIZE(quant_range_enum_list));
if (prop) {
hdmi->quant_range = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
}
static void
@@ -770,6 +795,12 @@ dw_hdmi_rockchip_destroy_properties(struct drm_connector *connector,
hdmi->outputmode_capacity);
hdmi->outputmode_capacity = NULL;
}
if (hdmi->quant_range) {
drm_property_destroy(connector->dev,
hdmi->quant_range);
hdmi->quant_range = NULL;
}
}
static int
@@ -787,6 +818,9 @@ dw_hdmi_rockchip_set_property(struct drm_connector *connector,
} else if (property == hdmi->hdmi_output_property) {
hdmi->hdmi_output = val;
return 0;
} else if (property == hdmi->quant_range) {
hdmi->hdmi_quant_range = val;
return 0;
}
DRM_ERROR("failed to set rockchip hdmi connector property\n");
@@ -837,6 +871,9 @@ dw_hdmi_rockchip_get_property(struct drm_connector *connector,
info->color_formats & DRM_COLOR_FORMAT_YCRCB420)
*val |= BIT(DRM_HDMI_OUTPUT_YCBCR420);
return 0;
} else if (property == hdmi->quant_range) {
*val = hdmi->hdmi_quant_range;
return 0;
}
DRM_ERROR("failed to get rockchip hdmi connector property\n");
@@ -1072,6 +1109,8 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
dw_hdmi_rockchip_get_input_bus_format;
plat_data->get_output_bus_format =
dw_hdmi_rockchip_get_output_bus_format;
plat_data->get_quant_range =
dw_hdmi_rockchip_get_quant_range;
plat_data->property_ops = &dw_hdmi_rockchip_property_ops;
encoder = &hdmi->encoder;