diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link')
11 files changed, 240 insertions, 113 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c index db9f1baa27e5..bce0428ad612 100644 --- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c +++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c @@ -428,15 +428,24 @@ static void set_crtc_test_pattern(struct dc_link *link, stream->timing.display_color_depth; struct bit_depth_reduction_params params; struct output_pixel_processor *opp = pipe_ctx->stream_res.opp; - int width = pipe_ctx->stream->timing.h_addressable + + struct pipe_ctx *odm_pipe; + int odm_cnt = 1; + int h_active = pipe_ctx->stream->timing.h_addressable + pipe_ctx->stream->timing.h_border_left + pipe_ctx->stream->timing.h_border_right; - int height = pipe_ctx->stream->timing.v_addressable + + int v_active = pipe_ctx->stream->timing.v_addressable + pipe_ctx->stream->timing.v_border_bottom + pipe_ctx->stream->timing.v_border_top; + int odm_slice_width, last_odm_slice_width, offset = 0; memset(¶ms, 0, sizeof(params)); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) + odm_cnt++; + + odm_slice_width = h_active / odm_cnt; + last_odm_slice_width = h_active - odm_slice_width * (odm_cnt - 1); + switch (test_pattern) { case DP_TEST_PATTERN_COLOR_SQUARES: controller_test_pattern = @@ -473,16 +482,13 @@ static void set_crtc_test_pattern(struct dc_link *link, { /* disable bit depth reduction */ pipe_ctx->stream->bit_depth_params = params; - opp->funcs->opp_program_bit_depth_reduction(opp, ¶ms); - if (pipe_ctx->stream_res.tg->funcs->set_test_pattern) + if (pipe_ctx->stream_res.tg->funcs->set_test_pattern) { + opp->funcs->opp_program_bit_depth_reduction(opp, ¶ms); pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg, controller_test_pattern, color_depth); - else if (link->dc->hwss.set_disp_pattern_generator) { - struct pipe_ctx *odm_pipe; + } else if (link->dc->hwss.set_disp_pattern_generator) { enum controller_dp_color_space controller_color_space; - int opp_cnt = 1; - int offset = 0; - int dpg_width = width; + struct output_pixel_processor *odm_opp; switch (test_pattern_color_space) { case DP_TEST_PATTERN_COLOR_SPACE_RGB: @@ -502,36 +508,33 @@ static void set_crtc_test_pattern(struct dc_link *link, break; } - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) - opp_cnt++; - dpg_width = width / opp_cnt; - offset = dpg_width; - - link->dc->hwss.set_disp_pattern_generator(link->dc, - pipe_ctx, - controller_test_pattern, - controller_color_space, - color_depth, - NULL, - dpg_width, - height, - 0); - - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { - struct output_pixel_processor *odm_opp = odm_pipe->stream_res.opp; - + odm_pipe = pipe_ctx; + while (odm_pipe->next_odm_pipe) { + odm_opp = odm_pipe->stream_res.opp; odm_opp->funcs->opp_program_bit_depth_reduction(odm_opp, ¶ms); link->dc->hwss.set_disp_pattern_generator(link->dc, - odm_pipe, + pipe_ctx, controller_test_pattern, controller_color_space, color_depth, NULL, - dpg_width, - height, + odm_slice_width, + v_active, offset); - offset += offset; + offset += odm_slice_width; + odm_pipe = odm_pipe->next_odm_pipe; } + odm_opp = odm_pipe->stream_res.opp; + odm_opp->funcs->opp_program_bit_depth_reduction(odm_opp, ¶ms); + link->dc->hwss.set_disp_pattern_generator(link->dc, + odm_pipe, + controller_test_pattern, + controller_color_space, + color_depth, + NULL, + last_odm_slice_width, + v_active, + offset); } } break; @@ -540,23 +543,17 @@ static void set_crtc_test_pattern(struct dc_link *link, /* restore bitdepth reduction */ resource_build_bit_depth_reduction_params(pipe_ctx->stream, ¶ms); pipe_ctx->stream->bit_depth_params = params; - opp->funcs->opp_program_bit_depth_reduction(opp, ¶ms); - if (pipe_ctx->stream_res.tg->funcs->set_test_pattern) + if (pipe_ctx->stream_res.tg->funcs->set_test_pattern) { + opp->funcs->opp_program_bit_depth_reduction(opp, ¶ms); pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg, - CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, - color_depth); - else if (link->dc->hwss.set_disp_pattern_generator) { - struct pipe_ctx *odm_pipe; - int opp_cnt = 1; - int dpg_width; - - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) - opp_cnt++; - - dpg_width = width / opp_cnt; - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { - struct output_pixel_processor *odm_opp = odm_pipe->stream_res.opp; + CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, + color_depth); + } else if (link->dc->hwss.set_disp_pattern_generator) { + struct output_pixel_processor *odm_opp; + odm_pipe = pipe_ctx; + while (odm_pipe->next_odm_pipe) { + odm_opp = odm_pipe->stream_res.opp; odm_opp->funcs->opp_program_bit_depth_reduction(odm_opp, ¶ms); link->dc->hwss.set_disp_pattern_generator(link->dc, odm_pipe, @@ -564,19 +561,23 @@ static void set_crtc_test_pattern(struct dc_link *link, CONTROLLER_DP_COLOR_SPACE_UDEFINED, color_depth, NULL, - dpg_width, - height, - 0); + odm_slice_width, + v_active, + offset); + offset += odm_slice_width; + odm_pipe = odm_pipe->next_odm_pipe; } + odm_opp = odm_pipe->stream_res.opp; + odm_opp->funcs->opp_program_bit_depth_reduction(odm_opp, ¶ms); link->dc->hwss.set_disp_pattern_generator(link->dc, - pipe_ctx, + odm_pipe, CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, CONTROLLER_DP_COLOR_SPACE_UDEFINED, color_depth, NULL, - dpg_width, - height, - 0); + last_odm_slice_width, + v_active, + offset); } } break; diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c index 586fe25c1702..dc1cb5478e08 100644 --- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c +++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c @@ -108,6 +108,11 @@ static void enable_hpo_dp_link_output(struct dc_link *link, enum clock_source_id clock_source, const struct dc_link_settings *link_settings) { + if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating) + link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating( + link->dc->res_pool->dccg, + link_res->hpo_dp_link_enc->inst, + true); link_res->hpo_dp_link_enc->funcs->enable_link_phy( link_res->hpo_dp_link_enc, link_settings, @@ -122,6 +127,11 @@ static void disable_hpo_dp_link_output(struct dc_link *link, link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc); link_res->hpo_dp_link_enc->funcs->disable_link_phy( link_res->hpo_dp_link_enc, signal); + if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating) + link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating( + link->dc->res_pool->dccg, + link_res->hpo_dp_link_enc->inst, + false); } static void set_hpo_dp_link_test_pattern(struct dc_link *link, diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index 8041b8369e45..c9b6676eaf53 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -876,8 +876,7 @@ static bool detect_link_and_local_sink(struct dc_link *link, (link->dpcd_sink_ext_caps.bits.oled == 1)) { dpcd_set_source_specific_data(link); msleep(post_oui_delay); - set_default_brightness_aux(link); - //TODO: use cached + set_cached_brightness_aux(link); } return true; diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 1a7b93e41e35..7997936613fc 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -1079,8 +1079,14 @@ static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps) static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx) { uint64_t kbps; + enum dc_link_encoding_format link_encoding; - kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing); + if (dp_is_128b_132b_signal(pipe_ctx)) + link_encoding = DC_LINK_ENCODING_DP_128b_132b; + else + link_encoding = DC_LINK_ENCODING_DP_8b_10b; + + kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing, link_encoding); return get_pbn_from_bw_in_kbps(kbps); } @@ -1538,7 +1544,8 @@ struct fixed31_32 link_calculate_sst_avg_time_slots_per_mtp( dc_fixpt_div_int(link_bw_effective, MAX_MTP_SLOT_COUNT); struct fixed31_32 timing_bw = dc_fixpt_from_int( - dc_bandwidth_in_kbps_from_timing(&stream->timing)); + dc_bandwidth_in_kbps_from_timing(&stream->timing, + dc_link_get_highest_encoding_format(link))); struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_div(timing_bw, timeslot_bw_effective); @@ -1971,6 +1978,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) bool is_vga_mode = (stream->timing.h_addressable == 640) && (stream->timing.v_addressable == 480); struct dc *dc = pipe_ctx->stream->ctx->dc; + const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); if (stream->phy_pix_clk == 0) stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10; @@ -2010,6 +2018,12 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) display_color_depth = COLOR_DEPTH_888; + /* We need to enable stream encoder for TMDS first to apply 1/4 TMDS + * character clock in case that beyond 340MHz. + */ + if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) + link_hwss->setup_stream_encoder(pipe_ctx); + dc->hwss.enable_tmds_link_output( link, &pipe_ctx->link_res, @@ -2129,7 +2143,8 @@ static enum dc_status enable_link_dp(struct dc_state *state, if (link->dpcd_sink_ext_caps.bits.oled == 1 || link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 || link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) { - set_default_brightness_aux(link); // TODO: use cached if known + set_cached_brightness_aux(link); + if (link->dpcd_sink_ext_caps.bits.oled == 1) msleep(bl_oled_enable_delay); edp_backlight_enable_aux(link, true); diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.c b/drivers/gpu/drm/amd/display/dc/link/link_validation.c index e8b2fc4002a5..b45fda96eaf6 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_validation.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c @@ -130,7 +130,8 @@ static bool dp_active_dongle_validate_timing( /* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */ outputTiming.flags.DSC = 0; #endif - if (dc_bandwidth_in_kbps_from_timing(&outputTiming) > dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps) + if (dc_bandwidth_in_kbps_from_timing(&outputTiming, DC_LINK_ENCODING_HDMI_FRL) > + dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps) return false; } else { // DP to HDMI TMDS converter if (get_tmds_output_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10)) @@ -285,7 +286,7 @@ static bool dp_validate_mode_timing( link_setting = &link->verified_link_cap; */ - req_bw = dc_bandwidth_in_kbps_from_timing(timing); + req_bw = dc_bandwidth_in_kbps_from_timing(timing, dc_link_get_highest_encoding_format(link)); max_bw = dp_link_bandwidth_kbps(link, link_setting); if (req_bw <= max_bw) { @@ -357,7 +358,8 @@ bool link_validate_dpia_bandwidth(const struct dc_stream_state *stream, const un for (uint8_t i = 0; i < num_streams; ++i) { link[i] = stream[i].link; - bw_needed[i] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing); + bw_needed[i] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing, + dc_link_get_highest_encoding_format(link[i])); } ret = dpia_validate_usb4_bw(link, bw_needed, num_streams); diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c index 0fa1228bc178..0f19c07011b5 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c @@ -427,7 +427,7 @@ bool try_to_configure_aux_timeout(struct ddc_service *ddc, if ((ddc->link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) && !ddc->link->dc->debug.disable_fixed_vs_aux_timeout_wa && - ASICREV_IS_YELLOW_CARP(ddc->ctx->asic_id.hw_internal_rev)) { + ddc->ctx->dce_version == DCN_VERSION_3_1) { /* Fixed VS workaround for AUX timeout */ const uint32_t fixed_vs_address = 0xF004F; const uint8_t fixed_vs_data[4] = {0x1, 0x22, 0x63, 0xc}; diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 3a5e80b57711..b38ac3ea06b0 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -906,7 +906,7 @@ bool link_decide_link_settings(struct dc_stream_state *stream, struct dc_link_settings *link_setting) { struct dc_link *link = stream->link; - uint32_t req_bw = dc_bandwidth_in_kbps_from_timing(&stream->timing); + uint32_t req_bw = dc_bandwidth_in_kbps_from_timing(&stream->timing, dc_link_get_highest_encoding_format(link)); memset(link_setting, 0, sizeof(*link_setting)); @@ -939,7 +939,8 @@ bool link_decide_link_settings(struct dc_stream_state *stream, tmp_link_setting.link_rate = LINK_RATE_UNKNOWN; tmp_timing.flags.DSC = 0; - orig_req_bw = dc_bandwidth_in_kbps_from_timing(&tmp_timing); + orig_req_bw = dc_bandwidth_in_kbps_from_timing(&tmp_timing, + dc_link_get_highest_encoding_format(link)); edp_decide_link_settings(link, &tmp_link_setting, orig_req_bw); max_link_rate = tmp_link_setting.link_rate; } @@ -2165,7 +2166,9 @@ static bool dp_verify_link_cap( link, &irq_data)) (*fail_count)++; - + } else if (status == LINK_TRAINING_LINK_LOSS) { + success = true; + (*fail_count)++; } else { (*fail_count)++; } @@ -2188,6 +2191,7 @@ bool dp_verify_link_cap_with_retries( int i = 0; bool success = false; int fail_count = 0; + struct dc_link_settings last_verified_link_cap = fail_safe_link_settings; dp_trace_detect_lt_init(link); @@ -2204,10 +2208,14 @@ bool dp_verify_link_cap_with_retries( if (!link_detect_connection_type(link, &type) || type == dc_connection_none) { link->verified_link_cap = fail_safe_link_settings; break; - } else if (dp_verify_link_cap(link, known_limit_link_setting, - &fail_count) && fail_count == 0) { - success = true; - break; + } else if (dp_verify_link_cap(link, known_limit_link_setting, &fail_count)) { + last_verified_link_cap = link->verified_link_cap; + if (fail_count == 0) { + success = true; + break; + } + } else { + link->verified_link_cap = last_verified_link_cap; } fsleep(10 * 1000); } diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c index e011df4bdaf2..90339c2dfd84 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c @@ -1699,13 +1699,20 @@ bool perform_link_training_with_retries( } else if (do_fallback) { /* Try training at lower link bandwidth if doing fallback. */ uint32_t req_bw; uint32_t link_bw; + enum dc_link_encoding_format link_encoding = DC_LINK_ENCODING_UNSPECIFIED; decide_fallback_link_setting(link, &max_link_settings, &cur_link_settings, status); + + if (link_dp_get_encoding_format(&cur_link_settings) == DP_8b_10b_ENCODING) + link_encoding = DC_LINK_ENCODING_DP_8b_10b; + else if (link_dp_get_encoding_format(&cur_link_settings) == DP_128b_132b_ENCODING) + link_encoding = DC_LINK_ENCODING_DP_128b_132b; + /* Flag if reduced link bandwidth no longer meets stream requirements or fallen back to * minimum link bandwidth. */ - req_bw = dc_bandwidth_in_kbps_from_timing(&stream->timing); + req_bw = dc_bandwidth_in_kbps_from_timing(&stream->timing, link_encoding); link_bw = dp_link_bandwidth_kbps(link, &cur_link_settings); is_link_bw_low = (req_bw > link_bw); is_link_bw_min = ((cur_link_settings.link_rate <= LINK_RATE_LOW) && diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c index 15faaf645b14..ca0543e62917 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c @@ -236,6 +236,11 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( uint32_t pre_disable_intercept_delay_ms = 0; uint8_t vendor_lttpr_write_data_vs[4] = {0x1, 0x51, 0x63, 0x0}; uint8_t vendor_lttpr_write_data_pe[4] = {0x1, 0x52, 0x63, 0x0}; + const uint8_t vendor_lttpr_write_data_4lane_1[4] = {0x1, 0x6E, 0xF2, 0x19}; + const uint8_t vendor_lttpr_write_data_4lane_2[4] = {0x1, 0x6B, 0xF2, 0x01}; + const uint8_t vendor_lttpr_write_data_4lane_3[4] = {0x1, 0x6D, 0xF2, 0x18}; + const uint8_t vendor_lttpr_write_data_4lane_4[4] = {0x1, 0x6C, 0xF2, 0x03}; + const uint8_t vendor_lttpr_write_data_4lane_5[4] = {0x1, 0x03, 0xF3, 0x06}; uint32_t vendor_lttpr_write_address = 0xF004F; enum link_training_result status = LINK_TRAINING_SUCCESS; uint8_t lane = 0; @@ -244,10 +249,6 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( uint8_t toggle_rate; uint8_t rate; - if (link->local_sink) - pre_disable_intercept_delay_ms = - link->local_sink->edid_caps.panel_patch.delay_disable_aux_intercept_ms; - /* Only 8b/10b is supported */ ASSERT(link_dp_get_encoding_format(<_settings->link_settings) == DP_8b_10b_ENCODING); @@ -260,10 +261,13 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( if (offset != 0xFF) { vendor_lttpr_write_address += ((DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE) * (offset - 1)); + if (offset == 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa; /* Certain display and cable configuration require extra delay */ - if (offset > 2) - pre_disable_intercept_delay_ms = pre_disable_intercept_delay_ms * 2; + } else if (offset > 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa * 2; + } } /* Vendor specific: Reset lane settings */ @@ -339,6 +343,34 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( DP_DOWNSPREAD_CTRL, lt_settings->link_settings.link_spread); + if (lt_settings->link_settings.lane_count == LANE_COUNT_FOUR) { + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_1[0], + sizeof(vendor_lttpr_write_data_4lane_1)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_2[0], + sizeof(vendor_lttpr_write_data_4lane_2)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_3[0], + sizeof(vendor_lttpr_write_data_4lane_3)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_4[0], + sizeof(vendor_lttpr_write_data_4lane_4)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_5[0], + sizeof(vendor_lttpr_write_data_4lane_5)); + } + /* 2. Perform link training */ /* Perform Clock Recovery Sequence */ @@ -596,9 +628,14 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( const uint8_t vendor_lttpr_write_data_adicora_eq1[4] = {0x1, 0x55, 0x63, 0x2E}; const uint8_t vendor_lttpr_write_data_adicora_eq2[4] = {0x1, 0x55, 0x63, 0x01}; const uint8_t vendor_lttpr_write_data_adicora_eq3[4] = {0x1, 0x55, 0x63, 0x68}; + uint32_t pre_disable_intercept_delay_ms = 0; uint8_t vendor_lttpr_write_data_vs[4] = {0x1, 0x51, 0x63, 0x0}; uint8_t vendor_lttpr_write_data_pe[4] = {0x1, 0x52, 0x63, 0x0}; - uint32_t pre_disable_intercept_delay_ms = 0; + const uint8_t vendor_lttpr_write_data_4lane_1[4] = {0x1, 0x6E, 0xF2, 0x19}; + const uint8_t vendor_lttpr_write_data_4lane_2[4] = {0x1, 0x6B, 0xF2, 0x01}; + const uint8_t vendor_lttpr_write_data_4lane_3[4] = {0x1, 0x6D, 0xF2, 0x18}; + const uint8_t vendor_lttpr_write_data_4lane_4[4] = {0x1, 0x6C, 0xF2, 0x03}; + const uint8_t vendor_lttpr_write_data_4lane_5[4] = {0x1, 0x03, 0xF3, 0x06}; uint32_t vendor_lttpr_write_address = 0xF004F; enum link_training_result status = LINK_TRAINING_SUCCESS; uint8_t lane = 0; @@ -607,10 +644,6 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( uint8_t toggle_rate; uint8_t rate; - if (link->local_sink) - pre_disable_intercept_delay_ms = - link->local_sink->edid_caps.panel_patch.delay_disable_aux_intercept_ms; - /* Only 8b/10b is supported */ ASSERT(link_dp_get_encoding_format(<_settings->link_settings) == DP_8b_10b_ENCODING); @@ -623,10 +656,13 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( if (offset != 0xFF) { vendor_lttpr_write_address += ((DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE) * (offset - 1)); + if (offset == 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa; /* Certain display and cable configuration require extra delay */ - if (offset > 2) - pre_disable_intercept_delay_ms = pre_disable_intercept_delay_ms * 2; + } else if (offset > 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa * 2; + } } /* Vendor specific: Reset lane settings */ @@ -702,6 +738,34 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( DP_DOWNSPREAD_CTRL, lt_settings->link_settings.link_spread); + if (lt_settings->link_settings.lane_count == LANE_COUNT_FOUR) { + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_1[0], + sizeof(vendor_lttpr_write_data_4lane_1)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_2[0], + sizeof(vendor_lttpr_write_data_4lane_2)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_3[0], + sizeof(vendor_lttpr_write_data_4lane_3)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_4[0], + sizeof(vendor_lttpr_write_data_4lane_4)); + core_link_write_dpcd( + link, + vendor_lttpr_write_address, + &vendor_lttpr_write_data_4lane_5[0], + sizeof(vendor_lttpr_write_data_4lane_5)); + } + /* 2. Perform link training */ /* Perform Clock Recovery Sequence */ diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 2039a345f23a..8b360c09e0e8 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -46,43 +46,42 @@ void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode) { union dpcd_edp_config edp_config_set; bool panel_mode_edp = false; + enum dc_status result; memset(&edp_config_set, '\0', sizeof(union dpcd_edp_config)); - if (panel_mode != DP_PANEL_MODE_DEFAULT) { + switch (panel_mode) { + case DP_PANEL_MODE_EDP: + case DP_PANEL_MODE_SPECIAL: + panel_mode_edp = true; + break; - switch (panel_mode) { - case DP_PANEL_MODE_EDP: - case DP_PANEL_MODE_SPECIAL: - panel_mode_edp = true; - break; + default: + break; + } - default: - break; - } + /*set edp panel mode in receiver*/ + result = core_link_read_dpcd( + link, + DP_EDP_CONFIGURATION_SET, + &edp_config_set.raw, + sizeof(edp_config_set.raw)); - /*set edp panel mode in receiver*/ - core_link_read_dpcd( + if (result == DC_OK && + edp_config_set.bits.PANEL_MODE_EDP + != panel_mode_edp) { + + edp_config_set.bits.PANEL_MODE_EDP = + panel_mode_edp; + result = core_link_write_dpcd( link, DP_EDP_CONFIGURATION_SET, &edp_config_set.raw, sizeof(edp_config_set.raw)); - if (edp_config_set.bits.PANEL_MODE_EDP - != panel_mode_edp) { - enum dc_status result; - - edp_config_set.bits.PANEL_MODE_EDP = - panel_mode_edp; - result = core_link_write_dpcd( - link, - DP_EDP_CONFIGURATION_SET, - &edp_config_set.raw, - sizeof(edp_config_set.raw)); - - ASSERT(result == DC_OK); - } + ASSERT(result == DC_OK); } + link->panel_mode = panel_mode; DC_LOG_DETECTION_DP_CAPS("Link: %d eDP panel mode supported: %d " "eDP panel mode enabled: %d \n", @@ -164,6 +163,7 @@ bool edp_set_backlight_level_nits(struct dc_link *link, *(uint32_t *)&dpcd_backlight_set.backlight_level_millinits = backlight_millinits; *(uint16_t *)&dpcd_backlight_set.backlight_transition_time_ms = (uint16_t)transition_time_in_ms; + link->backlight_settings.backlight_millinits = backlight_millinits; if (!link->dpcd_caps.panel_luminance_control) { if (core_link_write_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL, @@ -251,10 +251,20 @@ static bool read_default_bl_aux(struct dc_link *link, uint32_t *backlight_millin link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)) return false; - if (!core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL, - (uint8_t *) backlight_millinits, - sizeof(uint32_t))) - return false; + if (!link->dpcd_caps.panel_luminance_control) { + if (!core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL, + (uint8_t *)backlight_millinits, + sizeof(uint32_t))) + return false; + } else { + //setting to 0 as a precaution, since target_luminance_value is 3 bytes + memset(backlight_millinits, 0, sizeof(uint32_t)); + + if (!core_link_read_dpcd(link, DP_EDP_PANEL_TARGET_LUMINANCE_VALUE, + (uint8_t *)backlight_millinits, + sizeof(struct target_luminance_value))) + return false; + } return true; } @@ -276,6 +286,16 @@ bool set_default_brightness_aux(struct dc_link *link) return false; } +bool set_cached_brightness_aux(struct dc_link *link) +{ + if (link->backlight_settings.backlight_millinits) + return edp_set_backlight_level_nits(link, true, + link->backlight_settings.backlight_millinits, 0); + else + return set_default_brightness_aux(link); + return false; +} + bool edp_is_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timing *crtc_timing) { @@ -309,7 +329,7 @@ bool edp_is_ilr_optimization_required(struct dc_link *link, core_link_read_dpcd(link, DP_LANE_COUNT_SET, &lane_count_set.raw, sizeof(lane_count_set)); - req_bw = dc_bandwidth_in_kbps_from_timing(crtc_timing); + req_bw = dc_bandwidth_in_kbps_from_timing(crtc_timing, dc_link_get_highest_encoding_format(link)); if (!crtc_timing->flags.DSC) edp_decide_link_settings(link, &link_setting, req_bw); diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h index 28f552080558..fa89bdb3a336 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h @@ -30,6 +30,7 @@ enum dp_panel_mode dp_get_panel_mode(struct dc_link *link); void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode); bool set_default_brightness_aux(struct dc_link *link); +bool set_cached_brightness_aux(struct dc_link *link); void edp_panel_backlight_power_on(struct dc_link *link, bool wait_for_hpd); int edp_get_backlight_level(const struct dc_link *link); bool edp_get_backlight_level_nits(struct dc_link *link, |