diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 189 |
1 files changed, 122 insertions, 67 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 48df7a5ea503..3ed4cfcb350c 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1055,64 +1055,85 @@ static const struct drm_prop_enum_list drm_dp_subconnector_enum_list[] = { DRM_ENUM_NAME_FN(drm_get_dp_subconnector_name, drm_dp_subconnector_enum_list) -static const struct drm_prop_enum_list hdmi_colorspaces[] = { + +static const char * const colorspace_names[] = { /* For Default case, driver will set the colorspace */ - { DRM_MODE_COLORIMETRY_DEFAULT, "Default" }, + [DRM_MODE_COLORIMETRY_DEFAULT] = "Default", /* Standard Definition Colorimetry based on CEA 861 */ - { DRM_MODE_COLORIMETRY_SMPTE_170M_YCC, "SMPTE_170M_YCC" }, - { DRM_MODE_COLORIMETRY_BT709_YCC, "BT709_YCC" }, + [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = "SMPTE_170M_YCC", + [DRM_MODE_COLORIMETRY_BT709_YCC] = "BT709_YCC", /* Standard Definition Colorimetry based on IEC 61966-2-4 */ - { DRM_MODE_COLORIMETRY_XVYCC_601, "XVYCC_601" }, + [DRM_MODE_COLORIMETRY_XVYCC_601] = "XVYCC_601", /* High Definition Colorimetry based on IEC 61966-2-4 */ - { DRM_MODE_COLORIMETRY_XVYCC_709, "XVYCC_709" }, + [DRM_MODE_COLORIMETRY_XVYCC_709] = "XVYCC_709", /* Colorimetry based on IEC 61966-2-1/Amendment 1 */ - { DRM_MODE_COLORIMETRY_SYCC_601, "SYCC_601" }, + [DRM_MODE_COLORIMETRY_SYCC_601] = "SYCC_601", /* Colorimetry based on IEC 61966-2-5 [33] */ - { DRM_MODE_COLORIMETRY_OPYCC_601, "opYCC_601" }, + [DRM_MODE_COLORIMETRY_OPYCC_601] = "opYCC_601", /* Colorimetry based on IEC 61966-2-5 */ - { DRM_MODE_COLORIMETRY_OPRGB, "opRGB" }, + [DRM_MODE_COLORIMETRY_OPRGB] = "opRGB", /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_CYCC, "BT2020_CYCC" }, + [DRM_MODE_COLORIMETRY_BT2020_CYCC] = "BT2020_CYCC", /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_RGB, "BT2020_RGB" }, + [DRM_MODE_COLORIMETRY_BT2020_RGB] = "BT2020_RGB", /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_YCC, "BT2020_YCC" }, + [DRM_MODE_COLORIMETRY_BT2020_YCC] = "BT2020_YCC", /* Added as part of Additional Colorimetry Extension in 861.G */ - { DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65, "DCI-P3_RGB_D65" }, - { DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER, "DCI-P3_RGB_Theater" }, + [DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65] = "DCI-P3_RGB_D65", + [DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER] = "DCI-P3_RGB_Theater", + [DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED] = "RGB_WIDE_FIXED", + /* Colorimetry based on scRGB (IEC 61966-2-2) */ + [DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT] = "RGB_WIDE_FLOAT", + [DRM_MODE_COLORIMETRY_BT601_YCC] = "BT601_YCC", }; +/** + * drm_get_colorspace_name - return a string for color encoding + * @colorspace: color space to compute name of + * + * In contrast to the other drm_get_*_name functions this one here returns a + * const pointer and hence is threadsafe. + */ +const char *drm_get_colorspace_name(enum drm_colorspace colorspace) +{ + if (colorspace < ARRAY_SIZE(colorspace_names) && colorspace_names[colorspace]) + return colorspace_names[colorspace]; + else + return "(null)"; +} + +static const u32 hdmi_colorspaces = + BIT(DRM_MODE_COLORIMETRY_SMPTE_170M_YCC) | + BIT(DRM_MODE_COLORIMETRY_BT709_YCC) | + BIT(DRM_MODE_COLORIMETRY_XVYCC_601) | + BIT(DRM_MODE_COLORIMETRY_XVYCC_709) | + BIT(DRM_MODE_COLORIMETRY_SYCC_601) | + BIT(DRM_MODE_COLORIMETRY_OPYCC_601) | + BIT(DRM_MODE_COLORIMETRY_OPRGB) | + BIT(DRM_MODE_COLORIMETRY_BT2020_CYCC) | + BIT(DRM_MODE_COLORIMETRY_BT2020_RGB) | + BIT(DRM_MODE_COLORIMETRY_BT2020_YCC) | + BIT(DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65) | + BIT(DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER); + /* * As per DP 1.4a spec, 2.2.5.7.5 VSC SDP Payload for Pixel Encoding/Colorimetry * Format Table 2-120 */ -static const struct drm_prop_enum_list dp_colorspaces[] = { - /* For Default case, driver will set the colorspace */ - { DRM_MODE_COLORIMETRY_DEFAULT, "Default" }, - { DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED, "RGB_Wide_Gamut_Fixed_Point" }, - /* Colorimetry based on scRGB (IEC 61966-2-2) */ - { DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT, "RGB_Wide_Gamut_Floating_Point" }, - /* Colorimetry based on IEC 61966-2-5 */ - { DRM_MODE_COLORIMETRY_OPRGB, "opRGB" }, - /* Colorimetry based on SMPTE RP 431-2 */ - { DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65, "DCI-P3_RGB_D65" }, - /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_RGB, "BT2020_RGB" }, - { DRM_MODE_COLORIMETRY_BT601_YCC, "BT601_YCC" }, - { DRM_MODE_COLORIMETRY_BT709_YCC, "BT709_YCC" }, - /* Standard Definition Colorimetry based on IEC 61966-2-4 */ - { DRM_MODE_COLORIMETRY_XVYCC_601, "XVYCC_601" }, - /* High Definition Colorimetry based on IEC 61966-2-4 */ - { DRM_MODE_COLORIMETRY_XVYCC_709, "XVYCC_709" }, - /* Colorimetry based on IEC 61966-2-1/Amendment 1 */ - { DRM_MODE_COLORIMETRY_SYCC_601, "SYCC_601" }, - /* Colorimetry based on IEC 61966-2-5 [33] */ - { DRM_MODE_COLORIMETRY_OPYCC_601, "opYCC_601" }, - /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_CYCC, "BT2020_CYCC" }, - /* Colorimetry based on ITU-R BT.2020 */ - { DRM_MODE_COLORIMETRY_BT2020_YCC, "BT2020_YCC" }, -}; +static const u32 dp_colorspaces = + BIT(DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED) | + BIT(DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT) | + BIT(DRM_MODE_COLORIMETRY_OPRGB) | + BIT(DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65) | + BIT(DRM_MODE_COLORIMETRY_BT2020_RGB) | + BIT(DRM_MODE_COLORIMETRY_BT601_YCC) | + BIT(DRM_MODE_COLORIMETRY_BT709_YCC) | + BIT(DRM_MODE_COLORIMETRY_XVYCC_601) | + BIT(DRM_MODE_COLORIMETRY_XVYCC_709) | + BIT(DRM_MODE_COLORIMETRY_SYCC_601) | + BIT(DRM_MODE_COLORIMETRY_OPYCC_601) | + BIT(DRM_MODE_COLORIMETRY_BT2020_CYCC) | + BIT(DRM_MODE_COLORIMETRY_BT2020_YCC); /** * DOC: standard connector properties @@ -2135,33 +2156,72 @@ EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); * drm_mode_create_dp_colorspace_property() is used for DP connector. */ -/** - * drm_mode_create_hdmi_colorspace_property - create hdmi colorspace property - * @connector: connector to create the Colorspace property on. - * - * Called by a driver the first time it's needed, must be attached to desired - * HDMI connectors. - * - * Returns: - * Zero on success, negative errno on failure. - */ -int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector) +static int drm_mode_create_colorspace_property(struct drm_connector *connector, + u32 supported_colorspaces) { struct drm_device *dev = connector->dev; + u32 colorspaces = supported_colorspaces | BIT(DRM_MODE_COLORIMETRY_DEFAULT); + struct drm_prop_enum_list enum_list[DRM_MODE_COLORIMETRY_COUNT]; + int i, len; if (connector->colorspace_property) return 0; + if (!supported_colorspaces) { + drm_err(dev, "No supported colorspaces provded on [CONNECTOR:%d:%s]\n", + connector->base.id, connector->name); + return -EINVAL; + } + + if ((supported_colorspaces & -BIT(DRM_MODE_COLORIMETRY_COUNT)) != 0) { + drm_err(dev, "Unknown colorspace provded on [CONNECTOR:%d:%s]\n", + connector->base.id, connector->name); + return -EINVAL; + } + + len = 0; + for (i = 0; i < DRM_MODE_COLORIMETRY_COUNT; i++) { + if ((colorspaces & BIT(i)) == 0) + continue; + + enum_list[len].type = i; + enum_list[len].name = colorspace_names[i]; + len++; + } + connector->colorspace_property = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Colorspace", - hdmi_colorspaces, - ARRAY_SIZE(hdmi_colorspaces)); + enum_list, + len); if (!connector->colorspace_property) return -ENOMEM; return 0; } + +/** + * drm_mode_create_hdmi_colorspace_property - create hdmi colorspace property + * @connector: connector to create the Colorspace property on. + * + * Called by a driver the first time it's needed, must be attached to desired + * HDMI connectors. + * + * Returns: + * Zero on success, negative errno on failure. + */ +int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector, + u32 supported_colorspaces) +{ + u32 colorspaces; + + if (supported_colorspaces) + colorspaces = supported_colorspaces & hdmi_colorspaces; + else + colorspaces = hdmi_colorspaces; + + return drm_mode_create_colorspace_property(connector, colorspaces); +} EXPORT_SYMBOL(drm_mode_create_hdmi_colorspace_property); /** @@ -2174,22 +2234,17 @@ EXPORT_SYMBOL(drm_mode_create_hdmi_colorspace_property); * Returns: * Zero on success, negative errno on failure. */ -int drm_mode_create_dp_colorspace_property(struct drm_connector *connector) +int drm_mode_create_dp_colorspace_property(struct drm_connector *connector, + u32 supported_colorspaces) { - struct drm_device *dev = connector->dev; + u32 colorspaces; - if (connector->colorspace_property) - return 0; - - connector->colorspace_property = - drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Colorspace", - dp_colorspaces, - ARRAY_SIZE(dp_colorspaces)); - - if (!connector->colorspace_property) - return -ENOMEM; + if (supported_colorspaces) + colorspaces = supported_colorspaces & dp_colorspaces; + else + colorspaces = dp_colorspaces; - return 0; + return drm_mode_create_colorspace_property(connector, colorspaces); } EXPORT_SYMBOL(drm_mode_create_dp_colorspace_property); |