diff options
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 48 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_edid.h | 9 |
3 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c3574c5042da..47c1747e7ae3 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2716,6 +2716,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid, #define VENDOR_BLOCK 0x03 #define SPEAKER_BLOCK 0x04 #define HDR_STATIC_METADATA_EXTENDED_DATA_BLOCK 0x06 +#define COLORIMETRY_EXTENDED_DATA_BLOCK 0x05 #define EXTENDED_TAG 0x07 #define VIDEO_CAPABILITY_BLOCK 0x07 #define Y420_VIDEO_DATA_BLOCK 0x0E @@ -3595,6 +3596,50 @@ drm_extract_hdr_db(struct drm_connector *connector, const u8 *db) } /* + * drm_extract_colorimetry_db - Parse the HDMI colorimetry extended block + * @connector: connector corresponding to the HDMI sink + * @db: start of the HDMI colorimetry extended block + * + * Parses the HDMI colorimetry block to extract sink info for @connector. + */ +static void +drm_extract_clrmetry_db(struct drm_connector *connector, const u8 *db) +{ + + if (!db) { + DRM_ERROR("invalid db\n"); + return; + } + + /* Bit 0: xvYCC_601 */ + if (db[2] & BIT(0)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_xvYCC_601; + /* Bit 0: xvYCC_709 */ + if (db[2] & BIT(1)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_xvYCC_709; + /* Bit 0: sYCC_601 */ + if (db[2] & BIT(2)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_sYCC_601; + /* Bit 0: ADBYCC_601 */ + if (db[2] & BIT(3)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_ADBYCC_601; + /* Bit 0: ADB_RGB */ + if (db[2] & BIT(4)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_ADB_RGB; + /* Bit 0: BT2020_CYCC */ + if (db[2] & BIT(5)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_BT2020_CYCC; + /* Bit 0: BT2020_YCC */ + if (db[2] & BIT(6)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_BT2020_YCC; + /* Bit 0: BT2020_RGB */ + if (db[2] & BIT(7)) + connector->color_enc_fmt |= DRM_EDID_COLORIMETRY_BT2020_RGB; + + DRM_DEBUG_KMS("colorimetry fmt 0x%x\n", connector->color_enc_fmt); +} + +/* * drm_hdmi_extract_extended_blk_info - Parse the HDMI extended tag blocks * @connector: connector corresponding to the HDMI sink * @edid: handle to the EDID structure @@ -3626,6 +3671,9 @@ struct edid *edid) case HDR_STATIC_METADATA_EXTENDED_DATA_BLOCK: drm_extract_hdr_db(connector, db); break; + case COLORIMETRY_EXTENDED_DATA_BLOCK: + drm_extract_clrmetry_db(connector, db); + break; default: break; } diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index f2b42825fb7a..f710a7075c0e 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -652,6 +652,7 @@ struct drm_encoder { * @pt_scan_info: PT scan info obtained from the VCDB of EDID * @it_scan_info: IT scan info obtained from the VCDB of EDID * @ce_scan_info: CE scan info obtained from the VCDB of EDID + * @color_enc_fmt: Colorimetry encoding formats of sink * @hdr_eotf: Electro optical transfer function obtained from HDR block * @hdr_metadata_type_one: Metadata type one obtained from HDR block * @hdr_max_luminance: desired max luminance obtained from HDR block @@ -742,6 +743,7 @@ struct drm_connector { u8 pt_scan_info; u8 it_scan_info; u8 ce_scan_info; + u8 color_enc_fmt; u32 hdr_eotf; bool hdr_metadata_type_one; u32 hdr_max_luminance; diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 69cb2ba37116..c0884e120041 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -214,6 +214,15 @@ struct detailed_timing { #define DRM_EDID_YCBCR420_DC_36 (1 << 1) #define DRM_EDID_YCBCR420_DC_30 (1 << 0) +#define DRM_EDID_COLORIMETRY_xvYCC_601 (1 << 0) +#define DRM_EDID_COLORIMETRY_xvYCC_709 (1 << 1) +#define DRM_EDID_COLORIMETRY_sYCC_601 (1 << 2) +#define DRM_EDID_COLORIMETRY_ADBYCC_601 (1 << 3) +#define DRM_EDID_COLORIMETRY_ADB_RGB (1 << 4) +#define DRM_EDID_COLORIMETRY_BT2020_CYCC (1 << 5) +#define DRM_EDID_COLORIMETRY_BT2020_YCC (1 << 6) +#define DRM_EDID_COLORIMETRY_BT2020_RGB (1 << 7) + /* ELD Header Block */ #define DRM_ELD_HEADER_BLOCK_SIZE 4 |