samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

disp: msm: add colorimetry block parsing to SDE EDID parser

Browse Source 
Add colorimetry data block parsing to SDE EDID parser so that
we can eliminate usage of the same information parsed in upstream
EDID parser.

Change-Id: I53692bb90eeee1f8a865da54ce0e8932c381489a
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
This commit is contained in:
Abhinav Kumar
2020-02-12 19:07:31 -08:00
committed by Gerrit - the friendly Code Review server
parent f1959d903b
commit 6082221107
3 changed files with 58 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
msm/sde_edid_parser.c
View File

@@ -548,6 +548,58 @@ sde_edid_parse_hdr_db(struct drm_connector *connector, const u8 *db)
SDE_EDID_DEBUG("min luminance %d\n", c_conn->hdr_min_luminance);
}
/*
* drm_extract_clrmetry_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
sde_parse_clrmetry_db(struct drm_connector *connector, const u8 *db)
{
struct sde_connector *c_conn;
c_conn = to_sde_connector(connector);
if (!db) {
DRM_ERROR("invalid db\n");
return;
}
/* Byte 3 Bit 0: xvYCC_601 */
if (db[2] & BIT(0))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_xvYCC_601;
/* Byte 3 Bit 1: xvYCC_709 */
if (db[2] & BIT(1))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_xvYCC_709;
/* Byte 3 Bit 2: sYCC_601 */
if (db[2] & BIT(2))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_sYCC_601;
/* Byte 3 Bit 3: ADBYCC_601 */
if (db[2] & BIT(3))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_ADBYCC_601;
/* Byte 3 Bit 4: ADB_RGB */
if (db[2] & BIT(4))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_ADB_RGB;
/* Byte 3 Bit 5: BT2020_CYCC */
if (db[2] & BIT(5))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_BT2020_CYCC;
/* Byte 3 Bit 6: BT2020_YCC */
if (db[2] & BIT(6))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_BT2020_YCC;
/* Byte 3 Bit 7: BT2020_RGB */
if (db[2] & BIT(7))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_BT2020_RGB;
/* Byte 4 Bit 7: DCI-P3 */
if (db[3] & BIT(7))
c_conn->color_enc_fmt |= DRM_EDID_CLRMETRY_DCI_P3;
DRM_DEBUG_KMS("colorimetry fmts = 0x%x\n", c_conn->color_enc_fmt);
}
/*
* sde_edid_parse_extended_blk_info - Parse the HDMI extended tag blocks
* @connector: connector corresponding to external sink
@@ -581,6 +633,8 @@ sde_edid_parse_extended_blk_info(struct drm_connector *connector,
case HDR_STATIC_METADATA_DATA_BLOCK:
sde_edid_parse_hdr_db(connector, db);
break;
case COLORIMETRY_EXTENDED_DATA_BLOCK:
sde_parse_clrmetry_db(connector, db);
default:
break;
}