[20/30] drm/amd/display: Add DPCD writes at key points

Message ID	20211122183418.73674-21-tjaalton@ubuntu.com
State	New
Headers	show Return-Path: <kernel-team-bounces@lists.ubuntu.com> From: Timo Aaltonen <tjaalton@ubuntu.com> To: kernel-team@lists.ubuntu.com Subject: [PATCH 20/30] drm/amd/display: Add DPCD writes at key points Date: Mon, 22 Nov 2021 20:34:08 +0200 Message-Id: <20211122183418.73674-21-tjaalton@ubuntu.com> In-Reply-To: <20211122183418.73674-1-tjaalton@ubuntu.com> References: <20211122183418.73674-1-tjaalton@ubuntu.com> MIME-Version: 1.0 Precedence: list Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" <kernel-team-bounces@lists.ubuntu.com>
Series	drm/amdgpu: Add USB4 support for DP tunneling \| expand [J,v2,00/30] drm/amdgpu: Add USB4 support for DP tunneling [01/30] drm/amd/display: Support for DMUB HPD interrupt handling [02/30] drm/amd/display: Update link encoder object creation. [03/30] drm/amd/display: USB4 DPIA enumeration and AUX Tunneling [04/30] drm/amd/display: Support for DMUB HPD and HPD RX interrupt handling [05/30] drm/amd/display: Set DPIA link endpoint type [06/30] drm/amd/display: Stub out DPIA link training call [07/30] drm/amd/display: Add stub to get DPIA tunneling device data [08/30] drm/amd/display: Skip DPCD read for DPTX-to-DPIA hop [09/30] drm/amd/display: Train DPIA links with fallback [10/30] drm/amd/display: Implement DPIA training loop [11/30] drm/amd/display: Implement DPIA link configuration [12/30] drm/amd/display: Implement DPIA clock recovery phase [13/30] drm/amd/display: Implement DPIA equalisation phase [14/30] drm/amd/display: Implement end of training for hop in DPIA display path [15/30] drm/amd/display: Support for SET_CONFIG processing with DMUB [16/30] drm/amd/display: isolate link training setting override to its own function [17/30] drm/amd/display: Read USB4 DP tunneling data from DPCD. [18/30] drm/amd/display: Add dpia debug options [19/30] drm/amd/display: Support for SET_CONFIG processing with DMUB [20/30] drm/amd/display: Add DPCD writes at key points [21/30] drm/amd/display: Fix DIG_HPD_SELECT for USB4 display endpoints. [22/30] drm/amd/display: Add helper for blanking all dp displays [23/30] drm/amd/display: Fix link training fallback logic [24/30] drm/amd/display: Add debug flags for USB4 DP link training. [25/30] drm/amd/display: Fix dynamic link encoder access. [26/30] drm/amd/display: Fix concurrent dynamic encoder assignment [27/30] drm/amd/display: Fix dynamic encoder reassignment [28/30] drm/amd/display: Fix for access for ddc pin and aux engine. [29/30] drm/amd/display: Deadlock/HPD Status/Crash Bug Fix [30/30] drm/amd/display: Fix USB4 Aux via DMUB terminate unexpectedly

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 4e0e7af267a9..42f49bb5a7f3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -3305,6 +3305,7 @@ void core_link_enable_stream( { struct dc *dc = pipe_ctx->stream->ctx->dc; struct dc_stream_state *stream = pipe_ctx->stream; + struct dc_link *link = stream->sink->link; enum dc_status status; #if defined(CONFIG_DRM_AMD_DC_DCN) enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO; @@ -3333,6 +3334,9 @@ void core_link_enable_stream( stream->use_vsc_sdp_for_colorimetry, stream->link->dpcd_caps.dprx_feature.bits.SST_SPLIT_SDP_CAP); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR); + if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) pipe_ctx->stream_res.stream_enc->funcs->hdmi_set_stream_attribute( pipe_ctx->stream_res.stream_enc, @@ -3368,6 +3372,9 @@ void core_link_enable_stream( resource_build_info_frame(pipe_ctx); dc->hwss.update_info_frame(pipe_ctx); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME); + /* Do not touch link on seamless boot optimization. */ if (pipe_ctx->stream->apply_seamless_boot_optimization) { pipe_ctx->stream->dpms_off = false; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index d18250751160..af721ded8458 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1810,8 +1810,11 @@ bool perform_link_training_with_retries( /* We need to do this before the link training to ensure the idle pattern in SST * mode will be sent right after the link training */ - link_enc->funcs->connect_dig_be_to_fe(link_enc, + if (dp_get_link_encoding_format(&current_setting) == DP_8b_10b_ENCODING) { + link_enc->funcs->connect_dig_be_to_fe(link_enc, pipe_ctx->stream_res.stream_enc->id, true); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE); + } for (j = 0; j < attempts; ++j) { @@ -4397,7 +4400,7 @@ bool dc_link_dp_set_test_pattern( * MuteAudioEndpoint(pPathMode->pDisplayPath, true); */ /* Blank stream */ - pipes->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc); + pipes->stream_res.stream_enc->funcs->dp_blank(link, pipe_ctx->stream_res.stream_enc); } dp_set_hw_test_pattern(link, test_pattern, diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 9c51cd09dcf1..2a064f7b669e 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -61,6 +61,13 @@ void dp_receiver_power_ctrl(struct dc_link *link, bool on) sizeof(state)); } +void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode) +{ + if (link->dc->debug.enable_driver_sequence_debug) + core_link_write_dpcd(link, DP_SOURCE_SEQUENCE, + &dp_test_mode, sizeof(dp_test_mode)); +} + void dp_enable_link_phy( struct dc_link *link, enum signal_type signal, @@ -132,6 +139,7 @@ void dp_enable_link_phy( if (dmcu != NULL && dmcu->funcs->unlock_phy) dmcu->funcs->unlock_phy(dmcu); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY); dp_receiver_power_ctrl(link, true); } @@ -233,6 +241,8 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal) dmcu->funcs->unlock_phy(dmcu); } + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); + /* Clear current link setting.*/ memset(&link->cur_link_settings, 0, sizeof(link->cur_link_settings)); @@ -320,6 +330,7 @@ void dp_set_hw_test_pattern( pattern_param.dp_panel_mode = dp_get_panel_mode(link); encoder->funcs->dp_set_phy_pattern(encoder, &pattern_param); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); } void dp_retrain_link_dp_test(struct dc_link *link, @@ -338,7 +349,7 @@ void dp_retrain_link_dp_test(struct dc_link *link, pipes[i].stream->link == link) { udelay(100); - pipes[i].stream_res.stream_enc->funcs->dp_blank( + pipes[i].stream_res.stream_enc->funcs->dp_blank(link, pipes[i].stream_res.stream_enc); /* disable any test pattern that might be active */ diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 7233158c2a20..4841e99fe196 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -634,6 +634,7 @@ struct dc_debug_options { bool force_enable_edp_fec; /* FEC/PSR1 sequence enable delay in 100us */ uint8_t fec_enable_delay_in100us; + bool enable_driver_sequence_debug; #if defined(CONFIG_DRM_AMD_DC_DCN) bool disable_z10; bool enable_sw_cntl_psr; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 8d4263da59f2..779bc92a2968 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -919,6 +919,7 @@ static void dce110_stream_encoder_stop_dp_info_packets( } static void dce110_stream_encoder_dp_blank( + struct dc_link *link, struct stream_encoder *enc) { struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc); @@ -967,6 +968,7 @@ static void dce110_stream_encoder_dp_blank( /* output video stream to link encoder */ static void dce110_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param) { diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 62d595ded866..354db9f89e8e 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -57,7 +57,8 @@ #include "audio.h" #include "reg_helper.h" #include "panel_cntl.h" - +#include "inc/link_dpcd.h" +#include "dpcd_defs.h" /* include DCE11 register header files */ #include "dce/dce_11_0_d.h" #include "dce/dce_11_0_sh_mask.h" @@ -1113,6 +1114,9 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx) if (pipe_ctx->stream_res.audio) pipe_ctx->stream_res.audio->enabled = true; } + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(pipe_ctx->stream->link, DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM); } void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx) @@ -1151,6 +1155,9 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx) * stream->stream_engine_id); */ } + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(pipe_ctx->stream->link, DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM); } void dce110_disable_stream(struct pipe_ctx *pipe_ctx) @@ -1177,6 +1184,8 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx) pipe_ctx->stream_res.stream_enc->id, false); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE); } void dce110_unblank_stream(struct pipe_ctx *pipe_ctx, @@ -1192,7 +1201,7 @@ void dce110_unblank_stream(struct pipe_ctx *pipe_ctx, params.link_settings.link_rate = link_settings->link_rate; if (dc_is_dp_signal(pipe_ctx->stream->signal)) - pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, &params); + pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params); if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { hws->funcs.edp_backlight_control(link, true); @@ -1211,7 +1220,7 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx) } if (dc_is_dp_signal(pipe_ctx->stream->signal)) { - pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc); + pipe_ctx->stream_res.stream_enc->funcs->dp_blank(link, pipe_ctx->stream_res.stream_enc); if (!dc_is_embedded_signal(pipe_ctx->stream->signal)) { /* @@ -1436,6 +1445,7 @@ static enum dc_status apply_single_controller_ctx_to_hw( struct dc *dc) { struct dc_stream_state *stream = pipe_ctx->stream; + struct dc_link *link = stream->link; struct drr_params params = {0}; unsigned int event_triggers = 0; struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe; @@ -1499,6 +1509,9 @@ static enum dc_status apply_single_controller_ctx_to_hw( pipe_ctx->stream_res.stream_enc, pipe_ctx->stream_res.tg->inst); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG); + pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion( pipe_ctx->stream_res.opp, COLOR_SPACE_YCBCR601, @@ -1543,7 +1556,7 @@ static void power_down_encoders(struct dc *dc) * hurt for non-DP */ for (i = 0; i < dc->res_pool->stream_enc_count; i++) { - dc->res_pool->stream_enc[i]->funcs->dp_blank( + dc->res_pool->stream_enc[i]->funcs->dp_blank(dc->links[i], dc->res_pool->stream_enc[i]); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index df8a7718a85f..6bdba3922dd5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1424,7 +1424,7 @@ void dcn10_init_hw(struct dc *dc) for (j = 0; j < dc->res_pool->stream_enc_count; j++) { if (fe == dc->res_pool->stream_enc[j]->id) { - dc->res_pool->stream_enc[j]->funcs->dp_blank( + dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i], dc->res_pool->stream_enc[j]); break; } @@ -3613,7 +3613,7 @@ void dcn10_unblank_stream(struct pipe_ctx *pipe_ctx, if (dc_is_dp_signal(pipe_ctx->stream->signal)) { if (params.timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) params.timing.pix_clk_100hz /= 2; - pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, &params); + pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params); } if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index cf364ae93138..ff0ef6f5071a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -29,6 +29,8 @@ #include "dcn10_stream_encoder.h" #include "reg_helper.h" #include "hw_shared.h" +#include "inc/link_dpcd.h" +#include "dpcd_defs.h" #define DC_LOGGER \ enc1->base.ctx->logger @@ -884,6 +886,7 @@ void enc1_stream_encoder_stop_dp_info_packets( } void enc1_stream_encoder_dp_blank( + struct dc_link *link, struct stream_encoder *enc) { struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); @@ -914,6 +917,8 @@ void enc1_stream_encoder_dp_blank( /* disable DP stream */ REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM); + /* the encoder stops sending the video stream * at the start of the vertical blanking. * Poll for DP_VID_STREAM_STATUS == 0 @@ -930,10 +935,13 @@ void enc1_stream_encoder_dp_blank( */ REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, true); + + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET); } /* output video stream to link encoder */ void enc1_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param) { @@ -1000,6 +1008,8 @@ void enc1_stream_encoder_dp_unblank( */ REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true); + + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM); } void enc1_stream_encoder_set_avmute( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h index 0d86df97878c..687d7e4bf7ca 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h @@ -627,9 +627,11 @@ void enc1_stream_encoder_stop_dp_info_packets( struct stream_encoder *enc); void enc1_stream_encoder_dp_blank( + struct dc_link *link, struct stream_encoder *enc); void enc1_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param); diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index a47ba1d45be9..f15c1944bd1b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -52,6 +52,8 @@ #include "dc_dmub_srv.h" #include "dce/dmub_hw_lock_mgr.h" #include "hw_sequencer.h" +#include "inc/link_dpcd.h" +#include "dpcd_defs.h" #define DC_LOGGER_INIT(logger) @@ -2140,7 +2142,7 @@ void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx, params.timing.pix_clk_100hz /= 2; pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine( pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1); - pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, &params); + pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params); } if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { @@ -2383,6 +2385,9 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx) link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc, pipe_ctx->stream_res.stream_enc->id, true); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE); + if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) { if (link->dc->hwss.program_dmdata_engine) link->dc->hwss.program_dmdata_engine(pipe_ctx); @@ -2390,6 +2395,9 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx) link->dc->hwss.update_info_frame(pipe_ctx); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME); + /* enable early control to avoid corruption on DP monitor*/ active_total_with_borders = timing->h_addressable diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c index e6307397e0d2..44f31b7b9ac9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c @@ -29,6 +29,8 @@ #include "dcn20_stream_encoder.h" #include "reg_helper.h" #include "hw_shared.h" +#include "inc/link_dpcd.h" +#include "dpcd_defs.h" #define DC_LOGGER \ enc1->base.ctx->logger @@ -444,6 +446,7 @@ static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing) } void enc2_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param) { @@ -522,6 +525,8 @@ void enc2_stream_encoder_dp_unblank( */ REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true); + + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM); } static void enc2_dp_set_odm_combine( diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.h index f3d1a0237bda..baa1e539f341 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.h @@ -104,6 +104,7 @@ void enc2_stream_encoder_dp_set_stream_attribute( uint32_t enable_sdp_splitting); void enc2_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param); diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index fafed1e4a998..b132ebed09d4 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -559,7 +559,7 @@ void dcn30_init_hw(struct dc *dc) for (j = 0; j < dc->res_pool->stream_enc_count; j++) { if (fe == dc->res_pool->stream_enc[j]->id) { - dc->res_pool->stream_enc[j]->funcs->dp_blank( + dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i], dc->res_pool->stream_enc[j]); break; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index fdf7969767be..efa07c4dc31b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -197,7 +197,7 @@ void dcn31_init_hw(struct dc *dc) for (j = 0; j < dc->res_pool->stream_enc_count; j++) { if (fe == dc->res_pool->stream_enc[j]->id) { - dc->res_pool->stream_enc[j]->funcs->dp_blank( + dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i], dc->res_pool->stream_enc[j]); break; } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h index 564ea6a727b0..bdfdb9323909 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h @@ -165,9 +165,11 @@ struct stream_encoder_funcs { struct stream_encoder *enc); void (*dp_blank)( + struct dc_link *link, struct stream_encoder *enc); void (*dp_unblank)( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param); diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h index fc1d289bb9fe..ba664bc49595 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h @@ -37,6 +37,7 @@ void dp_enable_link_phy( const struct dc_link_settings *link_settings); void dp_receiver_power_ctrl(struct dc_link *link, bool on); +void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode); void edp_add_delay_for_T9(struct dc_link *link); bool edp_receiver_ready_T9(struct dc_link *link); bool edp_receiver_ready_T7(struct dc_link *link); diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c index 1053b165c139..42a29b712e0e 100644 --- a/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_stream_encoder.c @@ -69,9 +69,11 @@ static void virtual_stream_encoder_stop_dp_info_packets( struct stream_encoder *enc) {} static void virtual_stream_encoder_dp_blank( + struct dc_link *link, struct stream_encoder *enc) {} static void virtual_stream_encoder_dp_unblank( + struct dc_link *link, struct stream_encoder *enc, const struct encoder_unblank_param *param) {} diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h index aec7389aff37..cd276f564c53 100644 --- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h +++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h @@ -149,6 +149,7 @@ enum dpcd_psr_sink_states { PSR_SINK_STATE_SINK_INTERNAL_ERROR = 7, }; +#define DP_SOURCE_SEQUENCE 0x30c #define DP_SOURCE_TABLE_REVISION 0x310 #define DP_SOURCE_PAYLOAD_SIZE 0x311 #define DP_SOURCE_SINK_CAP 0x317 diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h index 32f5274ed34e..cbf2f0b55f0c 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -152,6 +152,22 @@ enum dp_panel_mode { DP_PANEL_MODE_SPECIAL }; +enum dpcd_source_sequence { + DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG = 1, /*done in apply_single_controller_ctx_to_hw */ + DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR, /*done in core_link_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME, /*done in core_link_enable_stream/dcn20_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE, /*done in perform_link_training_with_retries/dcn20_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY, /*done in dp_enable_link_phy */ + DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN, /*done in dp_set_hw_test_pattern */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM, /*done in dce110_enable_audio_stream */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_unblank */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_blank */ + DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET, /*done in enc1_stream_encoder_dp_blank */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM, /*done in dce110_disable_audio_stream */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY, /*done in dp_disable_link_phy */ + DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE, /*done in dce110_disable_stream */ +}; + /* DPCD_ADDR_TRAINING_LANEx_SET registers value */ union dpcd_training_lane_set { struct {

[20/30] drm/amd/display: Add DPCD writes at key points

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Patch