| /* |
| * Copyright 2018 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: AMD |
| * |
| */ |
| |
| #include "mod_info_packet.h" |
| #include "core_types.h" |
| #include "dc_types.h" |
| #include "mod_shared.h" |
| #include "mod_freesync.h" |
| #include "dc.h" |
| |
| enum vsc_packet_revision { |
| vsc_packet_undefined = 0, |
| //01h = VSC SDP supports only 3D stereo. |
| vsc_packet_rev1 = 1, |
| //02h = 3D stereo + PSR. |
| vsc_packet_rev2 = 2, |
| //03h = 3D stereo + PSR2. |
| vsc_packet_rev3 = 3, |
| //04h = 3D stereo + PSR/PSR2 + Y-coordinate. |
| vsc_packet_rev4 = 4, |
| //05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format |
| vsc_packet_rev5 = 5, |
| }; |
| |
| #define HDMI_INFOFRAME_TYPE_VENDOR 0x81 |
| #define HF_VSIF_VERSION 1 |
| |
| // VTEM Byte Offset |
| #define VTEM_PB0 0 |
| #define VTEM_PB1 1 |
| #define VTEM_PB2 2 |
| #define VTEM_PB3 3 |
| #define VTEM_PB4 4 |
| #define VTEM_PB5 5 |
| #define VTEM_PB6 6 |
| |
| #define VTEM_MD0 7 |
| #define VTEM_MD1 8 |
| #define VTEM_MD2 9 |
| #define VTEM_MD3 10 |
| |
| |
| // VTEM Byte Masks |
| //PB0 |
| #define MASK_VTEM_PB0__RESERVED0 0x01 |
| #define MASK_VTEM_PB0__SYNC 0x02 |
| #define MASK_VTEM_PB0__VFR 0x04 |
| #define MASK_VTEM_PB0__AFR 0x08 |
| #define MASK_VTEM_PB0__DS_TYPE 0x30 |
| //0: Periodic pseudo-static EM Data Set |
| //1: Periodic dynamic EM Data Set |
| //2: Unique EM Data Set |
| //3: Reserved |
| #define MASK_VTEM_PB0__END 0x40 |
| #define MASK_VTEM_PB0__NEW 0x80 |
| |
| //PB1 |
| #define MASK_VTEM_PB1__RESERVED1 0xFF |
| |
| //PB2 |
| #define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF |
| //0: This is a Vendor Specific EM Data Set |
| //1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean) |
| //2: This EM Data Set is defined by CTA-861-G |
| //3: This EM Data Set is defined by VESA |
| //PB3 |
| #define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF |
| //PB4 |
| #define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF |
| //PB5 |
| #define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF |
| //PB6 |
| #define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF |
| |
| |
| |
| //PB7-27 (20 bytes): |
| //PB7 = MD0 |
| #define MASK_VTEM_MD0__VRR_EN 0x01 |
| #define MASK_VTEM_MD0__M_CONST 0x02 |
| #define MASK_VTEM_MD0__QMS_EN 0x04 |
| #define MASK_VTEM_MD0__RESERVED2 0x08 |
| #define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0 |
| |
| //MD1 |
| #define MASK_VTEM_MD1__BASE_VFRONT 0xFF |
| |
| //MD2 |
| #define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03 |
| #define MASK_VTEM_MD2__RB 0x04 |
| #define MASK_VTEM_MD2__NEXT_TFR 0xF8 |
| |
| //MD3 |
| #define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF |
| |
| enum ColorimetryRGBDP { |
| ColorimetryRGB_DP_sRGB = 0, |
| ColorimetryRGB_DP_AdobeRGB = 3, |
| ColorimetryRGB_DP_P3 = 4, |
| ColorimetryRGB_DP_CustomColorProfile = 5, |
| ColorimetryRGB_DP_ITU_R_BT2020RGB = 6, |
| }; |
| enum ColorimetryYCCDP { |
| ColorimetryYCC_DP_ITU601 = 0, |
| ColorimetryYCC_DP_ITU709 = 1, |
| ColorimetryYCC_DP_AdobeYCC = 5, |
| ColorimetryYCC_DP_ITU2020YCC = 6, |
| ColorimetryYCC_DP_ITU2020YCbCr = 7, |
| }; |
| |
| void mod_build_vsc_infopacket(const struct dc_stream_state *stream, |
| struct dc_info_packet *info_packet, |
| enum dc_color_space cs, |
| enum color_transfer_func tf) |
| { |
| 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) { |
| vsc_packet_revision = vsc_packet_rev1; |
| stereo3dSupport = true; |
| } |
| |
| /* VSC packet set to 4 for PSR-SU, or 2 for PSR1 */ |
| if (stream->link->psr_settings.psr_feature_enabled) { |
| if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) |
| vsc_packet_revision = vsc_packet_rev4; |
| else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) |
| vsc_packet_revision = vsc_packet_rev2; |
| } |
| |
| if (stream->link->replay_settings.config.replay_supported) |
| vsc_packet_revision = vsc_packet_rev4; |
| |
| /* Update to revision 5 for extended colorimetry support */ |
| if (stream->use_vsc_sdp_for_colorimetry) |
| vsc_packet_revision = vsc_packet_rev5; |
| |
| /* 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_rev4) { |
| /* Secondary-data Packet ID = 0*/ |
| info_packet->hb0 = 0x00; |
| /* 07h - Packet Type Value indicating Video |
| * Stream Configuration packet |
| */ |
| info_packet->hb1 = 0x07; |
| /* 04h = VSC SDP supporting 3D stereo + PSR/PSR2 + Y-coordinate |
| * (applies to eDP v1.4 or higher). |
| */ |
| info_packet->hb2 = 0x04; |
| /* 0Eh = VSC SDP supporting 3D stereo + PSR2 |
| * (HB2 = 04h), with Y-coordinate of first scan |
| * line of the SU region |
| */ |
| info_packet->hb3 = 0x0E; |
| |
| for (i = 0; i < 28; i++) |
| info_packet->sb[i] = 0; |
| |
| info_packet->valid = true; |
| } |
| |
| if (vsc_packet_revision == vsc_packet_rev2) { |
| /* Secondary-data Packet ID = 0*/ |
| info_packet->hb0 = 0x00; |
| /* 07h - Packet Type Value indicating Video |
| * Stream Configuration packet |
| */ |
| info_packet->hb1 = 0x07; |
| /* 02h = VSC SDP supporting 3D stereo and PSR |
| * (applies to eDP v1.3 or higher). |
| */ |
| info_packet->hb2 = 0x02; |
| /* 08h = VSC packet supporting 3D stereo + PSR |
| * (HB2 = 02h). |
| */ |
| info_packet->hb3 = 0x08; |
| |
| for (i = 0; i < 28; i++) |
| info_packet->sb[i] = 0; |
| |
| info_packet->valid = true; |
| } |
| |
| if (vsc_packet_revision == vsc_packet_rev1) { |
| |
| info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0 |
| info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet |
| info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only |
| info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h). |
| |
| info_packet->valid = true; |
| } |
| |
| if (stereo3dSupport) { |
| /* ==============================================================================================================| |
| * A. STEREO 3D |
| * ==============================================================================================================| |
| * VSC Payload (1 byte) From DP1.2 spec |
| * |
| * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter) |
| * ----------------------------------------------------------------------------------------------------- |
| * 0 = Non Stereo Video | Must be set to 0x0 |
| * ----------------------------------------------------------------------------------------------------- |
| * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1 |
| * | 0x1: Right when Stereo Signal = 1 |
| * | 0x2: Left when Stereo Signal = 1 |
| * | (others reserved) |
| * ----------------------------------------------------------------------------------------------------- |
| * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom |
| * | (others reserved) |
| * ----------------------------------------------------------------------------------------------------- |
| * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines |
| * | 0x1: horiz interleaved, right view pixels on odd lines |
| * | 0x2: checker board, start with left view pixel |
| * | 0x3: vertical interleaved, start with left view pixels |
| * | 0x4: vertical interleaved, start with right view pixels |
| * | (others reserved) |
| * ----------------------------------------------------------------------------------------------------- |
| * 4 = Side-by-side | 0x0: left half represents left eye view |
| * | 0x1: left half represents right eye view |
| */ |
| switch (stream->timing.timing_3d_format) { |
| case TIMING_3D_FORMAT_HW_FRAME_PACKING: |
| case TIMING_3D_FORMAT_SW_FRAME_PACKING: |
| case TIMING_3D_FORMAT_TOP_AND_BOTTOM: |
| case TIMING_3D_FORMAT_TB_SW_PACKED: |
| info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom. |
| break; |
| case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA: |
| case TIMING_3D_FORMAT_INBAND_FA: |
| info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1 |
| break; |
| case TIMING_3D_FORMAT_SIDE_BY_SIDE: |
| case TIMING_3D_FORMAT_SBS_SW_PACKED: |
| info_packet->sb[0] = 0x04; // Side-by-side |
| break; |
| default: |
| info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0. |
| break; |
| } |
| |
| } |
| |
| /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. |
| * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry |
| * format to the DP Sink device with VSC SDP only when the DP Sink device supports it |
| * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST |
| * register (DPCD Address 02210h, bit 3) is set to 1). |
| * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This |
| * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4 |
| * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate |
| * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and |
| * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become "don't care").) |
| */ |
| if (vsc_packet_revision == vsc_packet_rev5) { |
| /* Secondary-data Packet ID = 0 */ |
| info_packet->hb0 = 0x00; |
| /* 07h - Packet Type Value indicating Video Stream Configuration packet */ |
| info_packet->hb1 = 0x07; |
| /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */ |
| info_packet->hb2 = 0x05; |
| /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */ |
| info_packet->hb3 = 0x13; |
| |
| 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 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) |
| colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr; |
| |
| if (cs == COLOR_SPACE_2020_YCBCR && 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; |
| } |
| } |
| |
| /** |
| * mod_build_hf_vsif_infopacket - Prepare HDMI Vendor Specific info frame. |
| * Follows HDMI Spec to build up Vendor Specific info frame |
| * |
| * @stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.) |
| * @info_packet: output structure where to store VSIF |
| */ |
| void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream, |
| struct dc_info_packet *info_packet) |
| { |
| unsigned int length = 5; |
| bool hdmi_vic_mode = false; |
| uint8_t checksum = 0; |
| uint32_t i = 0; |
| enum dc_timing_3d_format format; |
| |
| info_packet->valid = false; |
| format = stream->timing.timing_3d_format; |
| if (stream->view_format == VIEW_3D_FORMAT_NONE) |
| format = TIMING_3D_FORMAT_NONE; |
| |
| if (stream->timing.hdmi_vic != 0 |
| && stream->timing.h_total >= 3840 |
| && stream->timing.v_total >= 2160 |
| && format == TIMING_3D_FORMAT_NONE) |
| hdmi_vic_mode = true; |
| |
| if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode) |
| return; |
| |
| info_packet->sb[1] = 0x03; |
| info_packet->sb[2] = 0x0C; |
| info_packet->sb[3] = 0x00; |
| |
| if (format != TIMING_3D_FORMAT_NONE) |
| info_packet->sb[4] = (2 << 5); |
| |
| else if (hdmi_vic_mode) |
| info_packet->sb[4] = (1 << 5); |
| |
| switch (format) { |
| case TIMING_3D_FORMAT_HW_FRAME_PACKING: |
| case TIMING_3D_FORMAT_SW_FRAME_PACKING: |
| info_packet->sb[5] = (0x0 << 4); |
| break; |
| |
| case TIMING_3D_FORMAT_SIDE_BY_SIDE: |
| case TIMING_3D_FORMAT_SBS_SW_PACKED: |
| info_packet->sb[5] = (0x8 << 4); |
| length = 6; |
| break; |
| |
| case TIMING_3D_FORMAT_TOP_AND_BOTTOM: |
| case TIMING_3D_FORMAT_TB_SW_PACKED: |
| info_packet->sb[5] = (0x6 << 4); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (hdmi_vic_mode) |
| info_packet->sb[5] = stream->timing.hdmi_vic; |
| |
| info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR; |
| info_packet->hb1 = 0x01; |
| info_packet->hb2 = (uint8_t) (length); |
| |
| checksum += info_packet->hb0; |
| checksum += info_packet->hb1; |
| checksum += info_packet->hb2; |
| |
| for (i = 1; i <= length; i++) |
| checksum += info_packet->sb[i]; |
| |
| info_packet->sb[0] = (uint8_t) (0x100 - checksum); |
| |
| info_packet->valid = true; |
| } |
| |
| void mod_build_adaptive_sync_infopacket(const struct dc_stream_state *stream, |
| enum adaptive_sync_type asType, |
| const struct AS_Df_params *param, |
| struct dc_info_packet *info_packet) |
| { |
| info_packet->valid = false; |
| |
| memset(info_packet, 0, sizeof(struct dc_info_packet)); |
| |
| switch (asType) { |
| case ADAPTIVE_SYNC_TYPE_DP: |
| if (stream != NULL) |
| mod_build_adaptive_sync_infopacket_v2(stream, param, info_packet); |
| break; |
| case FREESYNC_TYPE_PCON_IN_WHITELIST: |
| mod_build_adaptive_sync_infopacket_v1(info_packet); |
| break; |
| case ADAPTIVE_SYNC_TYPE_EDP: |
| mod_build_adaptive_sync_infopacket_v1(info_packet); |
| break; |
| case ADAPTIVE_SYNC_TYPE_NONE: |
| case FREESYNC_TYPE_PCON_NOT_IN_WHITELIST: |
| default: |
| break; |
| } |
| } |
| |
| void mod_build_adaptive_sync_infopacket_v1(struct dc_info_packet *info_packet) |
| { |
| info_packet->valid = true; |
| // HEADER {HB0, HB1, HB2, HB3} = {00, Type, Version, Length} |
| info_packet->hb0 = 0x00; |
| info_packet->hb1 = 0x22; |
| info_packet->hb2 = AS_SDP_VER_1; |
| info_packet->hb3 = 0x00; |
| } |
| |
| void mod_build_adaptive_sync_infopacket_v2(const struct dc_stream_state *stream, |
| const struct AS_Df_params *param, |
| struct dc_info_packet *info_packet) |
| { |
| info_packet->valid = true; |
| // HEADER {HB0, HB1, HB2, HB3} = {00, Type, Version, Length} |
| info_packet->hb0 = 0x00; |
| info_packet->hb1 = 0x22; |
| info_packet->hb2 = AS_SDP_VER_2; |
| info_packet->hb3 = AS_DP_SDP_LENGTH; |
| |
| //Payload |
| info_packet->sb[0] = param->supportMode; //1: AVT; 0: FAVT |
| info_packet->sb[1] = (stream->timing.v_total & 0x00FF); |
| info_packet->sb[2] = (stream->timing.v_total & 0xFF00) >> 8; |
| //info_packet->sb[3] = 0x00; Target RR, not use fot AVT |
| info_packet->sb[4] = (param->increase.support << 6 | param->decrease.support << 7); |
| info_packet->sb[5] = param->increase.frame_duration_hex; |
| info_packet->sb[6] = param->decrease.frame_duration_hex; |
| } |
| |
