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drm/rockchip: hdmi: add hdmi output colorimetry property

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This patch add hdmi_output_colorimetry to support modify
hdmi output colorimetry. It could be following value:
	- None
	- IUT_2020
Default value is None, which means normal hdmi outout
colorimetry.

Change-Id: Ib4883fd0553d9d4193c7295812d2c1433724fe63
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2017-06-29 15:01:31 +08:00
committed by Tao Huang
parent d4d8a3a789
commit fe10dc7aae
1 changed files with 45 additions and 3 deletions
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48
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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@@ -97,8 +97,10 @@ struct rockchip_hdmi {
struct drm_property *hdmi_output_property;
struct drm_property *colordepth_capacity;
struct drm_property *outputmode_capacity;
struct drm_property *colorimetry_property;
unsigned int colordepth;
unsigned int colorimetry;
enum drm_hdmi_output_type hdmi_output;
};
@@ -688,8 +690,10 @@ dw_hdmi_rockchip_select_output(struct drm_connector_state *conn_state,
*eotf = hdr_metadata->eotf;
}
if (*eotf > TRADITIONAL_GAMMA_HDR &&
info->hdmi.hdr_panel_metadata.eotf & BIT(*eotf))
if ((*eotf > TRADITIONAL_GAMMA_HDR &&
info->hdmi.hdr_panel_metadata.eotf & BIT(*eotf)) ||
(hdmi->colorimetry == HDMI_EXTENDED_COLORIMETRY_BT2020 &&
info->hdmi.colorimetry & (BIT(6) | BIT(7))))
*enc_out_encoding = V4L2_YCBCR_ENC_BT2020;
else if ((vic == 6) || (vic == 7) || (vic == 21) || (vic == 22) ||
(vic == 2) || (vic == 3) || (vic == 17) || (vic == 18))
@@ -698,8 +702,9 @@ dw_hdmi_rockchip_select_output(struct drm_connector_state *conn_state,
*enc_out_encoding = V4L2_YCBCR_ENC_709;
if (*enc_out_encoding == V4L2_YCBCR_ENC_BT2020) {
/* According to ITU.BT2020, color depth is at lest 10bit */
/* BT2020 require color depth at lest 10bit */
*color_depth = 10;
/* We prefer use YCbCr422 to send 10bit */
if (info->color_formats & DRM_COLOR_FORMAT_YCRCB422)
*color_format = DRM_HDMI_OUTPUT_YCBCR422;
}
@@ -788,6 +793,14 @@ dw_hdmi_rockchip_get_output_bus_format(void *data)
return hdmi->output_bus_format;
}
static unsigned long
dw_hdmi_rockchip_get_enc_in_encoding(void *data)
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
return hdmi->enc_out_encoding;
}
static unsigned long
dw_hdmi_rockchip_get_enc_out_encoding(void *data)
{
@@ -812,6 +825,12 @@ 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 colorimetry_enum_list[] = {
{ HDMI_COLORIMETRY_NONE, "None" },
{ HDMI_COLORIMETRY_EXTENDED + HDMI_EXTENDED_COLORIMETRY_BT2020,
"ITU_2020" },
};
static void
dw_hdmi_rockchip_attatch_properties(struct drm_connector *connector,
int version, void *data)
@@ -840,6 +859,15 @@ dw_hdmi_rockchip_attatch_properties(struct drm_connector *connector,
drm_object_attach_property(&connector->base, prop, 0);
}
prop = drm_property_create_enum(connector->dev, 0,
"hdmi_output_colorimetry",
colorimetry_enum_list,
ARRAY_SIZE(colorimetry_enum_list));
if (prop) {
hdmi->colorimetry_property = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
prop = drm_property_create_range(connector->dev, 0,
"hdmi_color_depth_capacity",
0, 0xff);
@@ -893,6 +921,12 @@ dw_hdmi_rockchip_destroy_properties(struct drm_connector *connector,
hdmi->outputmode_capacity);
hdmi->outputmode_capacity = NULL;
}
if (hdmi->colorimetry_property) {
drm_property_destroy(connector->dev,
hdmi->colorimetry_property);
hdmi->colordepth_capacity = NULL;
}
}
static int
@@ -913,6 +947,9 @@ dw_hdmi_rockchip_set_property(struct drm_connector *connector,
return 0;
} else if (property == config->hdr_source_metadata_property) {
return 0;
} else if (property == hdmi->colorimetry_property) {
hdmi->colorimetry = val;
return 0;
}
DRM_ERROR("failed to set rockchip hdmi connector property\n");
@@ -968,6 +1005,9 @@ dw_hdmi_rockchip_get_property(struct drm_connector *connector,
} else if (property == config->hdr_source_metadata_property) {
*val = conn_state->blob_id;
return 0;
} else if (property == hdmi->colorimetry_property) {
*val = hdmi->colorimetry;
return 0;
}
DRM_ERROR("failed to get rockchip hdmi connector property\n");
@@ -1121,6 +1161,8 @@ 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_enc_in_encoding =
dw_hdmi_rockchip_get_enc_in_encoding;
plat_data->get_enc_out_encoding =
dw_hdmi_rockchip_get_enc_out_encoding;
plat_data->property_ops = &dw_hdmi_rockchip_property_ops;