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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c | |
parent | Adding debian version 6.6.15-2. (diff) | |
download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c new file mode 100644 index 0000000000..81e349d583 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c @@ -0,0 +1,272 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright 2023 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. + * + */ + +#include "reg_helper.h" + +#include "core_types.h" +#include "link_encoder.h" +#include "dcn31/dcn31_dio_link_encoder.h" +#include "dcn35_dio_link_encoder.h" +#define CTX \ + enc10->base.ctx +#define DC_LOGGER \ + enc10->base.ctx->logger + +#define REG(reg)\ + (enc10->link_regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + enc10->link_shift->field_name, enc10->link_mask->field_name +/* + * @brief + * Trigger Source Select + * ASIC-dependent, actual values for register programming + */ +#define DCN35_DIG_FE_SOURCE_SELECT_INVALID 0x0 +#define DCN35_DIG_FE_SOURCE_SELECT_DIGA 0x1 +#define DCN35_DIG_FE_SOURCE_SELECT_DIGB 0x2 +#define DCN35_DIG_FE_SOURCE_SELECT_DIGC 0x4 +#define DCN35_DIG_FE_SOURCE_SELECT_DIGD 0x08 +#define DCN35_DIG_FE_SOURCE_SELECT_DIGE 0x10 + + +bool dcn35_is_dig_enabled(struct link_encoder *enc) +{ + uint32_t enabled; + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + + REG_GET(DIG_BE_CLK_CNTL, DIG_BE_CLK_EN, &enabled); + return (enabled == 1); +} + +enum signal_type dcn35_get_dig_mode( + struct link_encoder *enc) +{ + uint32_t value; + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + + REG_GET(DIG_BE_CLK_CNTL, DIG_BE_MODE, &value); + switch (value) { + case 0: + return SIGNAL_TYPE_DISPLAY_PORT; + case 2: + return SIGNAL_TYPE_DVI_SINGLE_LINK; + case 3: + return SIGNAL_TYPE_HDMI_TYPE_A; + case 5: + return SIGNAL_TYPE_DISPLAY_PORT_MST; + default: + return SIGNAL_TYPE_NONE; + } + return SIGNAL_TYPE_NONE; +} + +void dcn35_link_encoder_setup( + struct link_encoder *enc, + enum signal_type signal) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + + switch (signal) { + case SIGNAL_TYPE_EDP: + case SIGNAL_TYPE_DISPLAY_PORT: + /* DP SST */ + REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 0); + break; + case SIGNAL_TYPE_DVI_SINGLE_LINK: + case SIGNAL_TYPE_DVI_DUAL_LINK: + /* TMDS-DVI */ + REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 2); + break; + case SIGNAL_TYPE_HDMI_TYPE_A: + /* TMDS-HDMI */ + REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 3); + break; + case SIGNAL_TYPE_DISPLAY_PORT_MST: + /* DP MST */ + REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 5); + break; + default: + ASSERT_CRITICAL(false); + /* invalid mode ! */ + break; + } + REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_CLK_EN, 1); + +} + +void dcn35_link_encoder_init(struct link_encoder *enc) +{ + enc32_hw_init(enc); + dcn35_link_encoder_set_fgcg(enc, enc->ctx->dc->debug.enable_fine_grain_clock_gating.bits.dio); +} + +void dcn35_link_encoder_set_fgcg(struct link_encoder *enc, bool enable) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + + REG_UPDATE(DIO_CLK_CNTL, DIO_FGCG_REP_DIS, !enable); +} + +static const struct link_encoder_funcs dcn35_link_enc_funcs = { + .read_state = link_enc2_read_state, + .validate_output_with_stream = + dcn30_link_encoder_validate_output_with_stream, + .hw_init = dcn35_link_encoder_init, + .setup = dcn35_link_encoder_setup, + .enable_tmds_output = dcn10_link_encoder_enable_tmds_output, + .enable_dp_output = dcn31_link_encoder_enable_dp_output, + .enable_dp_mst_output = dcn31_link_encoder_enable_dp_mst_output, + .disable_output = dcn31_link_encoder_disable_output, + .dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings, + .dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern, + .update_mst_stream_allocation_table = + dcn10_link_encoder_update_mst_stream_allocation_table, + .psr_program_dp_dphy_fast_training = + dcn10_psr_program_dp_dphy_fast_training, + .psr_program_secondary_packet = dcn10_psr_program_secondary_packet, + .connect_dig_be_to_fe = dcn10_link_encoder_connect_dig_be_to_fe, + .enable_hpd = dcn10_link_encoder_enable_hpd, + .disable_hpd = dcn10_link_encoder_disable_hpd, + .is_dig_enabled = dcn35_is_dig_enabled, + .destroy = dcn10_link_encoder_destroy, + .fec_set_enable = enc2_fec_set_enable, + .fec_set_ready = enc2_fec_set_ready, + .fec_is_active = enc2_fec_is_active, + .get_dig_frontend = dcn10_get_dig_frontend, + .get_dig_mode = dcn35_get_dig_mode, + .is_in_alt_mode = dcn31_link_encoder_is_in_alt_mode, + .get_max_link_cap = dcn31_link_encoder_get_max_link_cap, + .set_dio_phy_mux = dcn31_link_encoder_set_dio_phy_mux, +}; + +void dcn35_link_encoder_construct( + struct dcn20_link_encoder *enc20, + const struct encoder_init_data *init_data, + const struct encoder_feature_support *enc_features, + const struct dcn10_link_enc_registers *link_regs, + const struct dcn10_link_enc_aux_registers *aux_regs, + const struct dcn10_link_enc_hpd_registers *hpd_regs, + const struct dcn10_link_enc_shift *link_shift, + const struct dcn10_link_enc_mask *link_mask) +{ + struct bp_connector_speed_cap_info bp_cap_info = {0}; + const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs; + enum bp_result result = BP_RESULT_OK; + struct dcn10_link_encoder *enc10 = &enc20->enc10; + + enc10->base.funcs = &dcn35_link_enc_funcs; + enc10->base.ctx = init_data->ctx; + enc10->base.id = init_data->encoder; + + enc10->base.hpd_source = init_data->hpd_source; + enc10->base.connector = init_data->connector; + + + enc10->base.preferred_engine = ENGINE_ID_UNKNOWN; + + enc10->base.features = *enc_features; + + enc10->base.transmitter = init_data->transmitter; + + /* set the flag to indicate whether driver poll the I2C data pin + * while doing the DP sink detect + */ + +/* if (dal_adapter_service_is_feature_supported(as, + * FEATURE_DP_SINK_DETECT_POLL_DATA_PIN)) + * enc10->base.features.flags.bits. + * DP_SINK_DETECT_POLL_DATA_PIN = true; + */ + + enc10->base.output_signals = + SIGNAL_TYPE_DVI_SINGLE_LINK | + SIGNAL_TYPE_DVI_DUAL_LINK | + SIGNAL_TYPE_LVDS | + SIGNAL_TYPE_DISPLAY_PORT | + SIGNAL_TYPE_DISPLAY_PORT_MST | + SIGNAL_TYPE_EDP | + SIGNAL_TYPE_HDMI_TYPE_A; + + enc10->link_regs = link_regs; + enc10->aux_regs = aux_regs; + enc10->hpd_regs = hpd_regs; + enc10->link_shift = link_shift; + enc10->link_mask = link_mask; + + switch (enc10->base.transmitter) { + case TRANSMITTER_UNIPHY_A: + enc10->base.preferred_engine = ENGINE_ID_DIGA; + break; + case TRANSMITTER_UNIPHY_B: + enc10->base.preferred_engine = ENGINE_ID_DIGB; + break; + case TRANSMITTER_UNIPHY_C: + enc10->base.preferred_engine = ENGINE_ID_DIGC; + break; + case TRANSMITTER_UNIPHY_D: + enc10->base.preferred_engine = ENGINE_ID_DIGD; + break; + case TRANSMITTER_UNIPHY_E: + enc10->base.preferred_engine = ENGINE_ID_DIGE; + break; + default: + ASSERT_CRITICAL(false); + enc10->base.preferred_engine = ENGINE_ID_UNKNOWN; + } + + enc10->base.features.flags.bits.HDMI_6GB_EN = 1; + if (enc10->base.connector.id == CONNECTOR_ID_USBC) + enc10->base.features.flags.bits.DP_IS_USB_C = 1; + + if (bp_funcs->get_connector_speed_cap_info) + result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios, + enc10->base.connector, &bp_cap_info); + + /* Override features with DCE-specific values */ + if (result == BP_RESULT_OK) { + enc10->base.features.flags.bits.IS_HBR2_CAPABLE = + bp_cap_info.DP_HBR2_EN; + enc10->base.features.flags.bits.IS_HBR3_CAPABLE = + bp_cap_info.DP_HBR3_EN; + enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN; + enc10->base.features.flags.bits.IS_DP2_CAPABLE = 1; + enc10->base.features.flags.bits.IS_UHBR10_CAPABLE = bp_cap_info.DP_UHBR10_EN; + enc10->base.features.flags.bits.IS_UHBR13_5_CAPABLE = bp_cap_info.DP_UHBR13_5_EN; + enc10->base.features.flags.bits.IS_UHBR20_CAPABLE = bp_cap_info.DP_UHBR20_EN; + if (bp_cap_info.DP_IS_USB_C) { + /*BIOS not switch to use CONNECTOR_ID_USBC = 24 yet*/ + enc10->base.features.flags.bits.DP_IS_USB_C = 1; + } + + } else { + DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n", + __func__, + result); + } + if (enc10->base.ctx->dc->debug.hdmi20_disable) + enc10->base.features.flags.bits.HDMI_6GB_EN = 0; + +} |