drm/amd/display: Revise VSC SDP header for Panel Replay

[WAHT]
Add vsc sdp header setting for Panel Replay.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Chang 2025-10-14 16:28:51 +08:00 committed by Alex Deucher
parent 6d76189a84
commit a6edaf5700
2 changed files with 206 additions and 145 deletions

View File

@ -33,6 +33,12 @@ struct dc_stream_state;
struct dc_info_packet;
struct mod_vrr_params;
void set_vsc_packet_colorimetry_data(
const struct dc_stream_state *stream,
struct dc_info_packet *info_packet,
enum dc_color_space cs,
enum color_transfer_func tf);
void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
struct dc_info_packet *info_packet,
enum dc_color_space cs,

View File

@ -42,6 +42,10 @@ enum vsc_packet_revision {
vsc_packet_rev4 = 4,
//05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format
vsc_packet_rev5 = 5,
//06h = 3D stereo + PR + Y-coordinate
vsc_packet_rev6 = 6,
//07h = 3D stereo + PR + Y-coordinate + Pixel Encoding/Colorimetry Format
vsc_packet_rev7 = 7,
};
#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
@ -130,6 +134,163 @@ enum ColorimetryYCCDP {
ColorimetryYCC_DP_ITU2020YCbCr = 7,
};
/* Helper function to set VSC packet colorimetry data */
void set_vsc_packet_colorimetry_data(
const struct dc_stream_state *stream,
struct dc_info_packet *info_packet,
enum dc_color_space cs,
enum color_transfer_func tf)
{
/* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
* Data Bytes DB 18~16
* Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
* ----------------------------------------------------------------------------------------------------
* 0x0 = sRGB | 0 = RGB
* 0x1 = RGB Wide Gamut Fixed Point
* 0x2 = RGB Wide Gamut Floating Point
* 0x3 = AdobeRGB
* 0x4 = DCI-P3
* 0x5 = CustomColorProfile
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 1 = YCbCr444
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 2 = YCbCr422
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 3 = YCbCr420
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 =DICOM Part14 Grayscale | 4 = Yonly
* Display Function
* (others reserved)
*/
unsigned int pixelEncoding = 0;
unsigned int colorimetryFormat = 0;
/* Set Pixel Encoding */
switch (stream->timing.pixel_encoding) {
case PIXEL_ENCODING_RGB:
pixelEncoding = 0x0; /* RGB = 0h */
break;
case PIXEL_ENCODING_YCBCR444:
pixelEncoding = 0x1; /* YCbCr444 = 1h */
break;
case PIXEL_ENCODING_YCBCR422:
pixelEncoding = 0x2; /* YCbCr422 = 2h */
break;
case PIXEL_ENCODING_YCBCR420:
pixelEncoding = 0x3; /* YCbCr420 = 3h */
break;
default:
pixelEncoding = 0x0; /* default RGB = 0h */
break;
}
/* Set Colorimetry format based on pixel encoding */
switch (stream->timing.pixel_encoding) {
case PIXEL_ENCODING_RGB:
if ((cs == COLOR_SPACE_SRGB) ||
(cs == COLOR_SPACE_SRGB_LIMITED))
colorimetryFormat = ColorimetryRGB_DP_sRGB;
else if (cs == COLOR_SPACE_ADOBERGB)
colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
else if ((cs == COLOR_SPACE_2020_RGB_FULLRANGE) ||
(cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
break;
case PIXEL_ENCODING_YCBCR444:
case PIXEL_ENCODING_YCBCR422:
case PIXEL_ENCODING_YCBCR420:
/* Note: xvYCC probably not supported correctly here on DP since colorspace translation
* loses distinction between BT601 vs xvYCC601 in translation
*/
if (cs == COLOR_SPACE_YCBCR601)
colorimetryFormat = ColorimetryYCC_DP_ITU601;
else if (cs == COLOR_SPACE_YCBCR709)
colorimetryFormat = ColorimetryYCC_DP_ITU709;
else if (cs == COLOR_SPACE_ADOBERGB)
colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
else if (cs == COLOR_SPACE_2020_YCBCR_LIMITED)
colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
if (cs == COLOR_SPACE_2020_YCBCR_LIMITED && tf == TRANSFER_FUNC_GAMMA_22)
colorimetryFormat = ColorimetryYCC_DP_ITU709;
break;
default:
colorimetryFormat = ColorimetryRGB_DP_sRGB;
break;
}
info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
/* Set color depth */
switch (stream->timing.display_color_depth) {
case COLOR_DEPTH_666:
/* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
* as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
*/
info_packet->sb[17] = 0;
break;
case COLOR_DEPTH_888:
info_packet->sb[17] = 1;
break;
case COLOR_DEPTH_101010:
info_packet->sb[17] = 2;
break;
case COLOR_DEPTH_121212:
info_packet->sb[17] = 3;
break;
/*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
case COLOR_DEPTH_161616:
info_packet->sb[17] = 4;
break;
default:
info_packet->sb[17] = 0;
break;
}
/* all YCbCr are always limited range */
if ((cs == COLOR_SPACE_SRGB_LIMITED) ||
(cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
(pixelEncoding != 0x0)) {
info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
}
/* Content Type (Bits 2:0)
* 0 = Not defined.
* 1 = Graphics.
* 2 = Photo.
* 3 = Video.
* 4 = Game.
*/
info_packet->sb[18] = 0;
}
void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
struct dc_info_packet *info_packet,
enum dc_color_space cs,
@ -137,8 +298,6 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
{
unsigned int vsc_packet_revision = vsc_packet_undefined;
unsigned int i;
unsigned int pixelEncoding = 0;
unsigned int colorimetryFormat = 0;
bool stereo3dSupport = false;
if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) {
@ -158,12 +317,38 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
if (stream->use_vsc_sdp_for_colorimetry)
vsc_packet_revision = vsc_packet_rev5;
/* Check for Panel Replay (highest priority) */
if (stream->link->replay_settings.config.replay_version == DC_VESA_PANEL_REPLAY)
vsc_packet_revision = stream->use_vsc_sdp_for_colorimetry ? vsc_packet_rev7 : vsc_packet_rev6;
/* VSC packet not needed based on the features
* supported by this DP display
*/
if (vsc_packet_revision == vsc_packet_undefined)
return;
if (vsc_packet_revision == vsc_packet_rev6) {
/* Secondary-data Packet ID = 0*/
info_packet->hb0 = 0x00;
/* 07h - Packet Type Value indicating Video
* Stream Configuration packet
*/
info_packet->hb1 = 0x07;
/* 06h = VSC SDP supporting 3D stereo + PR
*/
info_packet->hb2 = 0x06;
/* 0Eh = VSC SDP supporting 3D stereo + PR
* (HB2 = 06h), with Y-coordinate of first scan
* line of the SU region
*/
info_packet->hb3 = 0x10;
for (i = 0; i < 28; i++)
info_packet->sb[i] = 0;
info_packet->valid = true;
}
if (vsc_packet_revision == vsc_packet_rev4) {
/* Secondary-data Packet ID = 0*/
info_packet->hb0 = 0x00;
@ -292,152 +477,22 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
info_packet->valid = true;
/* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
* Data Bytes DB 18~16
* Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
* ----------------------------------------------------------------------------------------------------
* 0x0 = sRGB | 0 = RGB
* 0x1 = RGB Wide Gamut Fixed Point
* 0x2 = RGB Wide Gamut Floating Point
* 0x3 = AdobeRGB
* 0x4 = DCI-P3
* 0x5 = CustomColorProfile
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 1 = YCbCr444
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 2 = YCbCr422
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 = ITU-R BT.601 | 3 = YCbCr420
* 0x1 = ITU-R BT.709
* 0x2 = xvYCC601
* 0x3 = xvYCC709
* 0x4 = sYCC601
* 0x5 = AdobeYCC601
* 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
* 0x7 = ITU-R BT.2020 Y'C'bC'r
* (others reserved)
* ----------------------------------------------------------------------------------------------------
* 0x0 =DICOM Part14 Grayscale | 4 = Yonly
* Display Function
* (others reserved)
*/
set_vsc_packet_colorimetry_data(stream, info_packet, cs, tf);
}
/* Set Pixel Encoding */
switch (stream->timing.pixel_encoding) {
case PIXEL_ENCODING_RGB:
pixelEncoding = 0x0; /* RGB = 0h */
break;
case PIXEL_ENCODING_YCBCR444:
pixelEncoding = 0x1; /* YCbCr444 = 1h */
break;
case PIXEL_ENCODING_YCBCR422:
pixelEncoding = 0x2; /* YCbCr422 = 2h */
break;
case PIXEL_ENCODING_YCBCR420:
pixelEncoding = 0x3; /* YCbCr420 = 3h */
break;
default:
pixelEncoding = 0x0; /* default RGB = 0h */
break;
}
if (vsc_packet_revision == vsc_packet_rev7) {
/* Secondary-data Packet ID = 0 */
info_packet->hb0 = 0x00;
/* 07h - Packet Type Value indicating Video Stream Configuration packet */
info_packet->hb1 = 0x07;
/* 07h = VSC SDP supporting 3D stereo, PR, and Pixel Encoding/Colorimetry Format indication. */
info_packet->hb2 = 0x07;
/* 13h = VSC SDP supporting 3D stereo, + PR, + Pixel Encoding/Colorimetry Format indication (HB2 = 07h). */
info_packet->hb3 = 0x13;
/* Set Colorimetry format based on pixel encoding */
switch (stream->timing.pixel_encoding) {
case PIXEL_ENCODING_RGB:
if ((cs == COLOR_SPACE_SRGB) ||
(cs == COLOR_SPACE_SRGB_LIMITED))
colorimetryFormat = ColorimetryRGB_DP_sRGB;
else if (cs == COLOR_SPACE_ADOBERGB)
colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
else if ((cs == COLOR_SPACE_2020_RGB_FULLRANGE) ||
(cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
break;
info_packet->valid = true;
case PIXEL_ENCODING_YCBCR444:
case PIXEL_ENCODING_YCBCR422:
case PIXEL_ENCODING_YCBCR420:
/* Note: xvYCC probably not supported correctly here on DP since colorspace translation
* loses distinction between BT601 vs xvYCC601 in translation
*/
if (cs == COLOR_SPACE_YCBCR601)
colorimetryFormat = ColorimetryYCC_DP_ITU601;
else if (cs == COLOR_SPACE_YCBCR709)
colorimetryFormat = ColorimetryYCC_DP_ITU709;
else if (cs == COLOR_SPACE_ADOBERGB)
colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
else if (cs == COLOR_SPACE_2020_YCBCR_LIMITED)
colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
if (cs == COLOR_SPACE_2020_YCBCR_LIMITED && tf == TRANSFER_FUNC_GAMMA_22)
colorimetryFormat = ColorimetryYCC_DP_ITU709;
break;
default:
colorimetryFormat = ColorimetryRGB_DP_sRGB;
break;
}
info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
/* Set color depth */
switch (stream->timing.display_color_depth) {
case COLOR_DEPTH_666:
/* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
* as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
*/
info_packet->sb[17] = 0;
break;
case COLOR_DEPTH_888:
info_packet->sb[17] = 1;
break;
case COLOR_DEPTH_101010:
info_packet->sb[17] = 2;
break;
case COLOR_DEPTH_121212:
info_packet->sb[17] = 3;
break;
/*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
case COLOR_DEPTH_161616:
info_packet->sb[17] = 4;
break;
default:
info_packet->sb[17] = 0;
break;
}
/* all YCbCr are always limited range */
if ((cs == COLOR_SPACE_SRGB_LIMITED) ||
(cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
(pixelEncoding != 0x0)) {
info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
}
/* Content Type (Bits 2:0)
* 0 = Not defined.
* 1 = Graphics.
* 2 = Photo.
* 3 = Video.
* 4 = Game.
*/
info_packet->sb[18] = 0;
set_vsc_packet_colorimetry_data(stream, info_packet, cs, tf);
}
}