diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c new file mode 100644 index 000000000000..001f9eb66920 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_stream_encoder.c @@ -0,0 +1,528 @@ +/* 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 "dc_bios_types.h" +#include "dcn30/dcn30_dio_stream_encoder.h" +#include "dcn314/dcn314_dio_stream_encoder.h" +#include "dcn32/dcn32_dio_stream_encoder.h" +#include "dcn35_dio_stream_encoder.h" +#include "reg_helper.h" +#include "hw_shared.h" +#include "link.h" +#include "dpcd_defs.h" + +#define DC_LOGGER \ + enc1->base.ctx->logger + +#define REG(reg)\ + (enc1->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + enc1->se_shift->field_name, enc1->se_mask->field_name + +#define VBI_LINE_0 0 +#define HDMI_CLOCK_CHANNEL_RATE_MORE_340M 340000 + +#define CTX \ + enc1->base.ctx +/* setup stream encoder in dvi mode */ +static void enc35_stream_encoder_dvi_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + bool is_dual_link) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + if (!enc->ctx->dc->debug.avoid_vbios_exec_table) { + struct bp_encoder_control cntl = {0}; + + cntl.action = ENCODER_CONTROL_SETUP; + cntl.engine_id = enc1->base.id; + cntl.signal = is_dual_link ? + SIGNAL_TYPE_DVI_DUAL_LINK : SIGNAL_TYPE_DVI_SINGLE_LINK; + cntl.enable_dp_audio = false; + cntl.pixel_clock = crtc_timing->pix_clk_100hz / 10; + cntl.lanes_number = (is_dual_link) ? LANE_COUNT_EIGHT : LANE_COUNT_FOUR; + + if (enc1->base.bp->funcs->encoder_control( + enc1->base.bp, &cntl) != BP_RESULT_OK) + return; + + } else { + + //Set pattern for clock channel, default vlue 0x63 does not work + REG_UPDATE(DIG_CLOCK_PATTERN, DIG_CLOCK_PATTERN, 0x1F); + + //DIG_BE_TMDS_DVI_MODE : TMDS-DVI mode is already set in link_encoder_setup + + //DIG_SOURCE_SELECT is already set in dig_connect_to_otg + + /* DIG_START is removed from the register spec */ + } + + ASSERT(crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB); + ASSERT(crtc_timing->display_color_depth == COLOR_DEPTH_888); + enc1_stream_encoder_set_stream_attribute_helper(enc1, crtc_timing); +} +/* setup stream encoder in hdmi mode */ +static void enc35_stream_encoder_hdmi_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + int actual_pix_clk_khz, + bool enable_audio) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + if (!enc->ctx->dc->debug.avoid_vbios_exec_table) { + struct bp_encoder_control cntl = {0}; + + cntl.action = ENCODER_CONTROL_SETUP; + cntl.engine_id = enc1->base.id; + cntl.signal = SIGNAL_TYPE_HDMI_TYPE_A; + cntl.enable_dp_audio = enable_audio; + cntl.pixel_clock = actual_pix_clk_khz; + cntl.lanes_number = LANE_COUNT_FOUR; + + if (enc1->base.bp->funcs->encoder_control( + enc1->base.bp, &cntl) != BP_RESULT_OK) + return; + + } else { + + //Set pattern for clock channel, default vlue 0x63 does not work + REG_UPDATE(DIG_CLOCK_PATTERN, DIG_CLOCK_PATTERN, 0x1F); + + //DIG_BE_TMDS_HDMI_MODE : TMDS-HDMI mode is already set in link_encoder_setup + + //DIG_SOURCE_SELECT is already set in dig_connect_to_otg + + /* DIG_START is removed from the register spec */ + enc314_enable_fifo(enc); + } + + /* Configure pixel encoding */ + enc1_stream_encoder_set_stream_attribute_helper(enc1, crtc_timing); + + /* setup HDMI engine */ + REG_UPDATE_6(HDMI_CONTROL, + HDMI_PACKET_GEN_VERSION, 1, + HDMI_KEEPOUT_MODE, 1, + HDMI_DEEP_COLOR_ENABLE, 0, + HDMI_DATA_SCRAMBLE_EN, 0, + HDMI_NO_EXTRA_NULL_PACKET_FILLED, 1, + HDMI_CLOCK_CHANNEL_RATE, 0); + + /* Configure color depth */ + switch (crtc_timing->display_color_depth) { + case COLOR_DEPTH_888: + REG_UPDATE(HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); + break; + case COLOR_DEPTH_101010: + if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) { + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DEEP_COLOR_DEPTH, 1, + HDMI_DEEP_COLOR_ENABLE, 0); + } else { + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DEEP_COLOR_DEPTH, 1, + HDMI_DEEP_COLOR_ENABLE, 1); + } + break; + case COLOR_DEPTH_121212: + if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) { + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DEEP_COLOR_DEPTH, 2, + HDMI_DEEP_COLOR_ENABLE, 0); + } else { + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DEEP_COLOR_DEPTH, 2, + HDMI_DEEP_COLOR_ENABLE, 1); + } + break; + case COLOR_DEPTH_161616: + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DEEP_COLOR_DEPTH, 3, + HDMI_DEEP_COLOR_ENABLE, 1); + break; + default: + break; + } + + if (actual_pix_clk_khz >= HDMI_CLOCK_CHANNEL_RATE_MORE_340M) { + /* enable HDMI data scrambler + * HDMI_CLOCK_CHANNEL_RATE_MORE_340M + * Clock channel frequency is 1/4 of character rate. + */ + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DATA_SCRAMBLE_EN, 1, + HDMI_CLOCK_CHANNEL_RATE, 1); + } else if (crtc_timing->flags.LTE_340MCSC_SCRAMBLE) { + + /* TODO: New feature for DCE11, still need to implement */ + + /* enable HDMI data scrambler + * HDMI_CLOCK_CHANNEL_FREQ_EQUAL_TO_CHAR_RATE + * Clock channel frequency is the same + * as character rate + */ + REG_UPDATE_2(HDMI_CONTROL, + HDMI_DATA_SCRAMBLE_EN, 1, + HDMI_CLOCK_CHANNEL_RATE, 0); + } + + + /* Enable transmission of General Control packet on every frame */ + REG_UPDATE_3(HDMI_VBI_PACKET_CONTROL, + HDMI_GC_CONT, 1, + HDMI_GC_SEND, 1, + HDMI_NULL_SEND, 1); + + /* Disable Audio Content Protection packet transmission */ + REG_UPDATE(HDMI_VBI_PACKET_CONTROL, HDMI_ACP_SEND, 0); + + /* following belongs to audio */ + /* Enable Audio InfoFrame packet transmission. */ + REG_UPDATE(HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); + + /* update double-buffered AUDIO_INFO registers immediately */ + ASSERT(enc->afmt); + enc->afmt->funcs->audio_info_immediate_update(enc->afmt); + + /* Select line number on which to send Audio InfoFrame packets */ + REG_UPDATE(HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, + VBI_LINE_0 + 2); + + /* set HDMI GC AVMUTE */ + REG_UPDATE(HDMI_GC, HDMI_GC_AVMUTE, 0); + switch (crtc_timing->pixel_encoding) { + case PIXEL_ENCODING_YCBCR422: + REG_UPDATE(HDMI_CONTROL, TMDS_PIXEL_ENCODING, 1); + break; + default: + REG_UPDATE(HDMI_CONTROL, TMDS_PIXEL_ENCODING, 0); + break; + } + REG_UPDATE(HDMI_CONTROL, TMDS_COLOR_FORMAT, 0); +} + + + +static void enc35_stream_encoder_enable( + struct stream_encoder *enc, + enum signal_type signal, + bool enable) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + if (enable) { + switch (signal) { + case SIGNAL_TYPE_DVI_SINGLE_LINK: + case SIGNAL_TYPE_DVI_DUAL_LINK: + /* TMDS-DVI */ + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 2); + break; + case SIGNAL_TYPE_HDMI_TYPE_A: + /* TMDS-HDMI */ + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 3); + break; + case SIGNAL_TYPE_DISPLAY_PORT_MST: + /* DP MST */ + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 5); + break; + case SIGNAL_TYPE_EDP: + case SIGNAL_TYPE_DISPLAY_PORT: + /* DP SST */ + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_MODE, 0); + break; + default: + /* invalid mode ! */ + ASSERT_CRITICAL(false); + } + + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_CLK_EN, 1); + REG_UPDATE(DIG_FE_EN_CNTL, DIG_FE_ENABLE, 1); + } else { + REG_UPDATE(DIG_FE_EN_CNTL, DIG_FE_ENABLE, 0); + REG_UPDATE(DIG_FE_CLK_CNTL, DIG_FE_CLK_EN, 0); + } +} + +static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing) +{ + bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420; + + two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422 + && !timing->dsc_cfg.ycbcr422_simple); + return two_pix; +} + +static bool is_h_timing_divisible_by_2(const struct dc_crtc_timing *timing) +{ + /* math borrowed from function of same name in inc/resource + * checks if h_timing is divisible by 2 + */ + + bool divisible = false; + uint16_t h_blank_start = 0; + uint16_t h_blank_end = 0; + + if (timing) { + h_blank_start = timing->h_total - timing->h_front_porch; + h_blank_end = h_blank_start - timing->h_addressable; + + /* HTOTAL, Hblank start/end, and Hsync start/end all must be + * divisible by 2 in order for the horizontal timing params + * to be considered divisible by 2. Hsync start is always 0. + */ + divisible = (timing->h_total % 2 == 0) && + (h_blank_start % 2 == 0) && + (h_blank_end % 2 == 0) && + (timing->h_sync_width % 2 == 0); + } + return divisible; +} + +static bool is_dp_dig_pixel_rate_div_policy(struct dc *dc, const struct dc_crtc_timing *timing) +{ + /* should be functionally the same as dcn32_is_dp_dig_pixel_rate_div_policy for DP encoders*/ + return is_h_timing_divisible_by_2(timing) && + dc->debug.enable_dp_dig_pixel_rate_div_policy; +} + +static void enc35_stream_encoder_dp_unblank( + struct dc_link *link, + struct stream_encoder *enc, + const struct encoder_unblank_param *param) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + struct dc *dc = enc->ctx->dc; + + if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) { + uint32_t n_vid = 0x8000; + uint32_t m_vid; + uint32_t n_multiply = 0; + uint32_t pix_per_cycle = 0; + uint64_t m_vid_l = n_vid; + + /* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */ + if (is_two_pixels_per_containter(¶m->timing) || param->opp_cnt > 1 + || is_dp_dig_pixel_rate_div_policy(dc, ¶m->timing)) { + /*this logic should be the same in get_pixel_clock_parameters() */ + n_multiply = 1; + pix_per_cycle = 1; + } + /* M / N = Fstream / Flink + * m_vid / n_vid = pixel rate / link rate + */ + + m_vid_l *= param->timing.pix_clk_100hz / 10; + m_vid_l = div_u64(m_vid_l, + param->link_settings.link_rate + * LINK_RATE_REF_FREQ_IN_KHZ); + + m_vid = (uint32_t) m_vid_l; + + /* enable auto measurement */ + + REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0); + + /* auto measurement need 1 full 0x8000 symbol cycle to kick in, + * therefore program initial value for Mvid and Nvid + */ + + REG_UPDATE(DP_VID_N, DP_VID_N, n_vid); + + REG_UPDATE(DP_VID_M, DP_VID_M, m_vid); + + REG_UPDATE_2(DP_VID_TIMING, + DP_VID_M_N_GEN_EN, 1, + DP_VID_N_MUL, n_multiply); + + REG_UPDATE(DP_PIXEL_FORMAT, + DP_PIXEL_PER_CYCLE_PROCESSING_MODE, + pix_per_cycle); + } + + /* make sure stream is disabled before resetting steer fifo */ + REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, false); + REG_WAIT(DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, 0, 10, 5000); + + /* DIG_START is removed from the register spec */ + + /* switch DP encoder to CRTC data, but reset it the fifo first. It may happen + * that it overflows during mode transition, and sometimes doesn't recover. + */ + REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 1); + udelay(10); + + REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0); + + /* wait 100us for DIG/DP logic to prime + * (i.e. a few video lines) + */ + udelay(100); + + /* the hardware would start sending video at the start of the next DP + * frame (i.e. rising edge of the vblank). + * NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this + * register has no effect on enable transition! HW always makes sure + * VID_STREAM enable at start of next frame, and this is not + * programmable + */ + + REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true); + + /* + * DIG Resync FIFO now needs to be explicitly enabled. + * This should come after DP_VID_STREAM_ENABLE per HW docs. + */ + enc314_enable_fifo(enc); + + link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM); +} + +static void enc35_stream_encoder_map_to_link( + struct stream_encoder *enc, + uint32_t stream_enc_inst, + uint32_t link_enc_inst) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + ASSERT(stream_enc_inst < 5 && link_enc_inst < 5); + REG_UPDATE(STREAM_MAPPER_CONTROL, + DIG_STREAM_LINK_TARGET, link_enc_inst); +} + +static void enc35_reset_fifo(struct stream_encoder *enc, bool reset) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + uint32_t reset_val = reset ? 1 : 0; + uint32_t is_symclk_on; + + REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_RESET, reset_val); + REG_GET(DIG_FE_CLK_CNTL, DIG_FE_SYMCLK_FE_G_CLOCK_ON, &is_symclk_on); + + if (is_symclk_on) + REG_WAIT(DIG_FIFO_CTRL0, DIG_FIFO_RESET_DONE, reset_val, 10, 5000); + else + udelay(10); +} + +static void enc35_disable_fifo(struct stream_encoder *enc) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 0); +} + +static void enc35_enable_fifo(struct stream_encoder *enc) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_READ_START_LEVEL, 0x7); + + enc35_reset_fifo(enc, true); + enc35_reset_fifo(enc, false); + + REG_UPDATE(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, 1); +} + +static const struct stream_encoder_funcs dcn35_str_enc_funcs = { + .dp_set_odm_combine = + enc314_dp_set_odm_combine, + .dp_set_stream_attribute = + enc2_stream_encoder_dp_set_stream_attribute, + .hdmi_set_stream_attribute = + enc35_stream_encoder_hdmi_set_stream_attribute, + .dvi_set_stream_attribute = + enc35_stream_encoder_dvi_set_stream_attribute, + .set_throttled_vcp_size = + enc1_stream_encoder_set_throttled_vcp_size, + .update_hdmi_info_packets = + enc3_stream_encoder_update_hdmi_info_packets, + .stop_hdmi_info_packets = + enc3_stream_encoder_stop_hdmi_info_packets, + .update_dp_info_packets_sdp_line_num = + enc3_stream_encoder_update_dp_info_packets_sdp_line_num, + .update_dp_info_packets = + enc3_stream_encoder_update_dp_info_packets, + .stop_dp_info_packets = + enc1_stream_encoder_stop_dp_info_packets, + .dp_blank = + enc314_stream_encoder_dp_blank, + .dp_unblank = + enc35_stream_encoder_dp_unblank, + .audio_mute_control = enc3_audio_mute_control, + + .dp_audio_setup = enc3_se_dp_audio_setup, + .dp_audio_enable = enc3_se_dp_audio_enable, + .dp_audio_disable = enc1_se_dp_audio_disable, + + .hdmi_audio_setup = enc3_se_hdmi_audio_setup, + .hdmi_audio_disable = enc1_se_hdmi_audio_disable, + .setup_stereo_sync = enc1_setup_stereo_sync, + .set_avmute = enc1_stream_encoder_set_avmute, + .dig_connect_to_otg = enc1_dig_connect_to_otg, + .dig_source_otg = enc1_dig_source_otg, + + .dp_get_pixel_format = enc1_stream_encoder_dp_get_pixel_format, + + .enc_read_state = enc314_read_state, + .dp_set_dsc_config = enc314_dp_set_dsc_config, + .dp_set_dsc_pps_info_packet = enc3_dp_set_dsc_pps_info_packet, + .set_dynamic_metadata = enc2_set_dynamic_metadata, + .hdmi_reset_stream_attribute = enc1_reset_hdmi_stream_attribute, + .dig_stream_enable = enc35_stream_encoder_enable, + + .set_input_mode = enc314_set_dig_input_mode, + .enable_fifo = enc35_enable_fifo, + .disable_fifo = enc35_disable_fifo, + .map_stream_to_link = enc35_stream_encoder_map_to_link, +}; + +void dcn35_dio_stream_encoder_construct( + struct dcn10_stream_encoder *enc1, + struct dc_context *ctx, + struct dc_bios *bp, + enum engine_id eng_id, + struct vpg *vpg, + struct afmt *afmt, + const struct dcn10_stream_enc_registers *regs, + const struct dcn10_stream_encoder_shift *se_shift, + const struct dcn10_stream_encoder_mask *se_mask) +{ + enc1->base.funcs = &dcn35_str_enc_funcs; + enc1->base.ctx = ctx; + enc1->base.id = eng_id; + enc1->base.bp = bp; + enc1->base.vpg = vpg; + enc1->base.afmt = afmt; + enc1->regs = regs; + enc1->se_shift = se_shift; + enc1->se_mask = se_mask; + enc1->base.stream_enc_inst = vpg->inst; +} + |