From bd00b29b5f236dce677089319176dee5872b5a7a Mon Sep 17 00:00:00 2001 From: Danny Wang Date: Thu, 13 Feb 2025 16:18:34 +0800 Subject: [PATCH 01/16] drm/amd/display: Do not enable replay when vtotal update is pending. [Why&How] Vtotal is not applied to HW when handling vsync interrupt. Make sure vtotal is aligned before enable replay. Reviewed-by: Anthony Koo Reviewed-by: Robin Chen Signed-off-by: Danny Wang Signed-off-by: Zhongwei Zhang Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 9 +++++++-- .../gpu/drm/amd/display/dc/core/dc_hw_sequencer.c | 15 +++++++++++++++ drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 1 + .../drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 7 ++----- .../drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c | 7 ++----- .../drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c | 8 ++------ .../drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c | 4 +--- .../drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 3 +-- .../drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 10 +++------- .../gpu/drm/amd/display/dc/hwss/hw_sequencer.h | 6 ++++++ 10 files changed, 40 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index e71ea21401f5..5a43e4901cc0 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -453,6 +453,7 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc, if (dc->caps.max_v_total != 0 && (adjust->v_total_max > dc->caps.max_v_total || adjust->v_total_min > dc->caps.max_v_total)) { + stream->adjust.timing_adjust_pending = false; if (adjust->allow_otg_v_count_halt) return set_long_vtotal(dc, stream, adjust); else @@ -466,7 +467,7 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc, dc->hwss.set_drr(&pipe, 1, *adjust); - + stream->adjust.timing_adjust_pending = false; return true; } } @@ -3165,8 +3166,12 @@ static void copy_stream_update_to_stream(struct dc *dc, if (update->vrr_active_fixed) stream->vrr_active_fixed = *update->vrr_active_fixed; - if (update->crtc_timing_adjust) + if (update->crtc_timing_adjust) { + if (stream->adjust.v_total_min != update->crtc_timing_adjust->v_total_min || + stream->adjust.v_total_max != update->crtc_timing_adjust->v_total_max) + stream->adjust.timing_adjust_pending = true; stream->adjust = *update->crtc_timing_adjust; + } if (update->dpms_off) stream->dpms_off = *update->dpms_off; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c index e0277728268a..52ee2225e132 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c @@ -659,6 +659,21 @@ void set_p_state_switch_method( } } +void set_drr_and_clear_adjust_pending( + struct pipe_ctx *pipe_ctx, + struct dc_stream_state *stream, + struct drr_params *params) +{ + /* params can be null.*/ + if (pipe_ctx && pipe_ctx->stream_res.tg && + pipe_ctx->stream_res.tg->funcs->set_drr) + pipe_ctx->stream_res.tg->funcs->set_drr( + pipe_ctx->stream_res.tg, params); + + if (stream) + stream->adjust.timing_adjust_pending = false; +} + void get_fams2_visual_confirm_color( struct dc *dc, struct dc_state *context, diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h index 9f3dd8824ed5..d562ddeca512 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h @@ -1017,6 +1017,7 @@ struct dc_crtc_timing_adjust { uint32_t v_total_mid; uint32_t v_total_mid_frame_num; uint32_t allow_otg_v_count_halt; + uint8_t timing_adjust_pending; }; diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 9c9947fc5d44..bfd734e15731 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1658,9 +1658,7 @@ enum dc_status dce110_apply_single_controller_ctx_to_hw( params.vertical_total_min = stream->adjust.v_total_min; params.vertical_total_max = stream->adjust.v_total_max; - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx, stream, ¶ms); // DRR should set trigger event to monitor surface update event if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0) @@ -2109,8 +2107,7 @@ static void set_drr(struct pipe_ctx **pipe_ctx, struct timing_generator *tg = pipe_ctx[i]->stream_res.tg; if ((tg != NULL) && tg->funcs) { - if (tg->funcs->set_drr) - tg->funcs->set_drr(tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx[i], pipe_ctx[i]->stream, ¶ms); if (adjust.v_total_max != 0 && adjust.v_total_min != 0) if (tg->funcs->set_static_screen_control) tg->funcs->set_static_screen_control( diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c index 301ef36d3d05..912f96323ed6 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c @@ -1113,9 +1113,7 @@ static void dcn10_reset_back_end_for_pipe( pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg); pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false); - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, NULL); + set_drr_and_clear_adjust_pending(pipe_ctx, pipe_ctx->stream, NULL); if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) pipe_ctx->stream->link->phy_state.symclk_ref_cnts.otg = 0; } @@ -3218,8 +3216,7 @@ void dcn10_set_drr(struct pipe_ctx **pipe_ctx, struct timing_generator *tg = pipe_ctx[i]->stream_res.tg; if ((tg != NULL) && tg->funcs) { - if (tg->funcs->set_drr) - tg->funcs->set_drr(tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx[i], pipe_ctx[i]->stream, ¶ms); if (adjust.v_total_max != 0 && adjust.v_total_min != 0) if (tg->funcs->set_static_screen_control) tg->funcs->set_static_screen_control( diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index a5a3e0823e21..926c08e790c1 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -952,9 +952,7 @@ enum dc_status dcn20_enable_stream_timing( params.vertical_total_max = stream->adjust.v_total_max; params.vertical_total_mid = stream->adjust.v_total_mid; params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num; - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx, stream, ¶ms); // DRR should set trigger event to monitor surface update event if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0) @@ -2856,9 +2854,7 @@ void dcn20_reset_back_end_for_pipe( pipe_ctx->stream_res.tg->funcs->set_odm_bypass( pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, NULL); + set_drr_and_clear_adjust_pending(pipe_ctx, pipe_ctx->stream, NULL); /* TODO - convert symclk_ref_cnts for otg to a bit map to solve * the case where the same symclk is shared across multiple otg * instances diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c index 288e9dd9205d..f38340aa3f15 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c @@ -543,9 +543,7 @@ static void dcn31_reset_back_end_for_pipe( if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) pipe_ctx->stream->link->phy_state.symclk_ref_cnts.otg = 0; - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, NULL); + set_drr_and_clear_adjust_pending(pipe_ctx, pipe_ctx->stream, NULL); /* DPMS may already disable or */ /* dpms_off status is incorrect due to fastboot diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index b907ad1acedd..922b8d71cf1a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -1473,8 +1473,7 @@ void dcn35_set_drr(struct pipe_ctx **pipe_ctx, num_frames = 2 * (frame_rate % 60); } } - if (tg->funcs->set_drr) - tg->funcs->set_drr(tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx[i], pipe_ctx[i]->stream, ¶ms); if (adjust.v_total_max != 0 && adjust.v_total_min != 0) if (tg->funcs->set_static_screen_control) tg->funcs->set_static_screen_control( diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index 39668d8cc13a..8f5da0ded850 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -830,10 +830,7 @@ enum dc_status dcn401_enable_stream_timing( } hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp); - - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, ¶ms); + set_drr_and_clear_adjust_pending(pipe_ctx, stream, ¶ms); /* Event triggers and num frames initialized for DRR, but can be * later updated for PSR use. Note DRR trigger events are generated @@ -1820,9 +1817,8 @@ void dcn401_reset_back_end_for_pipe( pipe_ctx->stream_res.tg->funcs->set_odm_bypass( pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); - if (pipe_ctx->stream_res.tg->funcs->set_drr) - pipe_ctx->stream_res.tg->funcs->set_drr( - pipe_ctx->stream_res.tg, NULL); + set_drr_and_clear_adjust_pending(pipe_ctx, pipe_ctx->stream, NULL); + /* TODO - convert symclk_ref_cnts for otg to a bit map to solve * the case where the same symclk is shared across multiple otg * instances diff --git a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h index 2b1a2a00648a..c8b5ed834579 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h @@ -46,6 +46,7 @@ struct dce_hwseq; struct link_resource; struct dc_dmub_cmd; struct pg_block_update; +struct drr_params; struct subvp_pipe_control_lock_fast_params { struct dc *dc; @@ -527,6 +528,11 @@ void set_p_state_switch_method( struct dc_state *context, struct pipe_ctx *pipe_ctx); +void set_drr_and_clear_adjust_pending( + struct pipe_ctx *pipe_ctx, + struct dc_stream_state *stream, + struct drr_params *params); + void hwss_execute_sequence(struct dc *dc, struct block_sequence block_sequence[], int num_steps); -- 2.51.0 From 8a21da2842bb22b2b80e5902d0438030d729bfd3 Mon Sep 17 00:00:00 2001 From: Peichen Huang Date: Tue, 25 Feb 2025 14:52:30 +0800 Subject: [PATCH 02/16] drm/amd/display: not abort link train when bw is low [WHY] DP tunneling should not abort link train even bandwidth become too low after downgrade. Otherwise, it would fail compliance test. [HOW} Do link train with downgrade settings even bandwidth is not enough Reviewed-by: Cruise Hung Reviewed-by: Meenakshikumar Somasundaram Signed-off-by: Peichen Huang Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/link/protocols/link_dp_training.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) 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 613298d21d03..ef358afdfb65 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 @@ -1789,13 +1789,10 @@ bool perform_link_training_with_retries( is_link_bw_min = ((cur_link_settings.link_rate <= LINK_RATE_LOW) && (cur_link_settings.lane_count <= LANE_COUNT_ONE)); - if (is_link_bw_low) { + if (is_link_bw_low) DC_LOG_WARNING( "%s: Link(%d) bandwidth too low after fallback req_bw(%d) > link_bw(%d)\n", __func__, link->link_index, req_bw, link_bw); - - return false; - } } msleep(delay_between_attempts); -- 2.51.0 From 084e0735448ae4d01928b537c03c7042aef2ab81 Mon Sep 17 00:00:00 2001 From: George Shen Date: Thu, 13 Feb 2025 14:46:49 -0500 Subject: [PATCH 03/16] drm/amd/display: Implement PCON regulated autonomous mode handling [Why/How] DP spec has been updated recently to make regulated autonomous mode more well-defined. In case any PCON vendors choose to implement regulated autonomous mode in the future, pre-emptively add handling for the regulated autonomous mode based on current spec. Reviewed-by: Wenjing Liu Signed-off-by: George Shen Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 27 ++++++++- .../dc/link/protocols/link_dp_capability.c | 55 +++++++++++++++---- 2 files changed, 71 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h index 1f4f11adc491..77c87ad57220 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -432,7 +432,28 @@ union hdmi_encoded_link_bw { uint8_t BW_32Gbps:1; uint8_t BW_40Gbps:1; uint8_t BW_48Gbps:1; - uint8_t RESERVED:1; // Bit 7 + uint8_t FRL_LINK_TRAINING_FINISHED:1; // Bit 7 + } bits; + uint8_t raw; +}; + +union hdmi_tx_link_status { + struct { + uint8_t HDMI_TX_LINK_ACTIVE_STATUS:1; + uint8_t HDMI_TX_READY_STATUS:1; + uint8_t RESERVED:6; + } bits; + uint8_t raw; +}; + +union autonomous_mode_and_frl_link_status { + struct { + uint8_t FRL_LT_IN_PROGRESS_STATUS:1; + uint8_t FRL_LT_LINK_CONFIG_IN_PROGRESS:3; + uint8_t RESERVED:1; + uint8_t FALLBACK_POLICY:1; + uint8_t FALLBACK_POLICY_VALID:1; + uint8_t REGULATED_AUTONOMOUS_MODE_SUPPORTED:1; } bits; uint8_t raw; }; @@ -1166,6 +1187,7 @@ struct dc_dongle_caps { uint32_t dp_hdmi_max_bpc; uint32_t dp_hdmi_max_pixel_clk_in_khz; uint32_t dp_hdmi_frl_max_link_bw_in_kbps; + uint32_t dp_hdmi_regulated_autonomous_mode_support; struct dc_dongle_dfp_cap_ext dfp_cap_ext; }; @@ -1394,6 +1416,9 @@ struct dp_trace { #ifndef DP_LTTPR_ALPM_CAPABILITIES #define DP_LTTPR_ALPM_CAPABILITIES 0xF0009 #endif +#ifndef DP_REGULATED_AUTONOMOUS_MODE_SUPPORTED_AND_HDMI_LINK_TRAINING_STATUS +#define DP_REGULATED_AUTONOMOUS_MODE_SUPPORTED_AND_HDMI_LINK_TRAINING_STATUS 0x303C +#endif #ifndef DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE #define DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE 0x50 #endif 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 a77410122636..21ee0d96c9d4 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 @@ -265,6 +265,8 @@ static uint32_t intersect_frl_link_bw_support( supported_bw_in_kbps = 18000000; else if (hdmi_encoded_link_bw.bits.BW_9Gbps) supported_bw_in_kbps = 9000000; + else if (hdmi_encoded_link_bw.bits.FRL_LINK_TRAINING_FINISHED) + supported_bw_in_kbps = 0; /* This case should only get hit in regulated autonomous mode. */ return supported_bw_in_kbps; } @@ -1075,6 +1077,48 @@ static enum dc_status wake_up_aux_channel(struct dc_link *link) return DC_OK; } +static void read_and_intersect_post_frl_lt_status( + struct dc_link *link) +{ + union autonomous_mode_and_frl_link_status autonomous_mode_caps = {0}; + union hdmi_tx_link_status hdmi_tx_link_status = {0}; + union hdmi_encoded_link_bw hdmi_encoded_link_bw = {0}; + + /* Check if dongle supports regulated autonomous mode. */ + core_link_read_dpcd(link, DP_REGULATED_AUTONOMOUS_MODE_SUPPORTED_AND_HDMI_LINK_TRAINING_STATUS, + &autonomous_mode_caps.raw, sizeof(autonomous_mode_caps)); + + link->dpcd_caps.dongle_caps.dp_hdmi_regulated_autonomous_mode_support = + autonomous_mode_caps.bits.REGULATED_AUTONOMOUS_MODE_SUPPORTED; + + if (link->dpcd_caps.dongle_caps.dp_hdmi_regulated_autonomous_mode_support) { + DC_LOG_DC("%s: PCON supports regulated autonomous mode.\n", __func__); + + core_link_read_dpcd(link, DP_PCON_HDMI_TX_LINK_STATUS, + &hdmi_tx_link_status.raw, sizeof(hdmi_tx_link_status)); + } + + // Intersect reported max link bw support with the supported link rate post FRL link training + if (core_link_read_dpcd(link, DP_PCON_HDMI_POST_FRL_STATUS, + &hdmi_encoded_link_bw.raw, sizeof(hdmi_encoded_link_bw)) == DC_OK) { + + if (link->dpcd_caps.dongle_caps.dp_hdmi_regulated_autonomous_mode_support && + (!hdmi_tx_link_status.bits.HDMI_TX_READY_STATUS || + !hdmi_encoded_link_bw.bits.FRL_LINK_TRAINING_FINISHED)) { + DC_LOG_WARNING("%s: PCON TX link training has not finished.\n", __func__); + + /* Link training not finished, ignore values from this DPCD reg. */ + return; + } + + link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps = intersect_frl_link_bw_support( + link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps, + hdmi_encoded_link_bw); + DC_LOG_DC("%s: pcon frl link bw = %u\n", __func__, + link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps); + } +} + static void get_active_converter_info( uint8_t data, struct dc_link *link) { @@ -1163,21 +1207,12 @@ static void get_active_converter_info( hdmi_color_caps.bits.MAX_BITS_PER_COLOR_COMPONENT); if (link->dc->caps.dp_hdmi21_pcon_support) { - union hdmi_encoded_link_bw hdmi_encoded_link_bw; link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps = link_bw_kbps_from_raw_frl_link_rate_data( hdmi_color_caps.bits.MAX_ENCODED_LINK_BW_SUPPORT); - // Intersect reported max link bw support with the supported link rate post FRL link training - if (core_link_read_dpcd(link, DP_PCON_HDMI_POST_FRL_STATUS, - &hdmi_encoded_link_bw.raw, sizeof(hdmi_encoded_link_bw)) == DC_OK) { - link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps = intersect_frl_link_bw_support( - link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps, - hdmi_encoded_link_bw); - DC_LOG_DC("%s: pcon frl link bw = %u\n", __func__, - link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps); - } + read_and_intersect_post_frl_lt_status(link); if (link->dpcd_caps.dongle_caps.dp_hdmi_frl_max_link_bw_in_kbps > 0) link->dpcd_caps.dongle_caps.extendedCapValid = true; -- 2.51.0 From 50bcdef7b616cc6471172fd8cee32a57d6fb39a6 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Wed, 26 Feb 2025 23:52:57 -0500 Subject: [PATCH 04/16] drm/amd/display: assume VBIOS supports DSC as default [Why & How] The clear_dsc_setting at boot logic was based on dcn version check. As such new ASIC lost this DSC clear up logic, change the assumption to BIOS support eDP DSC for new ASIC. Reviewed-by: Alvin Lee Signed-off-by: Charlene Liu Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index bfd734e15731..dbc6e533dcac 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1836,11 +1836,10 @@ static void clean_up_dsc_blocks(struct dc *dc) struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl; int i; - if (dc->ctx->dce_version != DCN_VERSION_3_5 && - dc->ctx->dce_version != DCN_VERSION_3_6 && - dc->ctx->dce_version != DCN_VERSION_3_51) + if (!dc->caps.is_apu || + dc->ctx->dce_version < DCN_VERSION_3_15) return; - + /*VBIOS supports dsc starts from dcn315*/ for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) { struct dcn_dsc_state s = {0}; -- 2.51.0 From 15d1c2e6bf60511ba068d7d735d051911c6c5b92 Mon Sep 17 00:00:00 2001 From: Dillon Varone Date: Fri, 20 Dec 2024 17:01:29 -0500 Subject: [PATCH 05/16] drm/amd/display: Add Support for reg inbox0 for host->DMUB CMDs [WHY] DCN4+ supports a new register based mailbox for sending messages from host to DMCUB. This mailbox supports 64 byte commands, which makes it compatible with the same structure as the frame buffer based mailbox. [HOW] The intention for reg_inbox0 is to be slot in replacement for the frame buffer based mailbox (Inbox1). It supports all of the required features: - Supports all messages handled by FB Inbox1 - Supports multi command batching Reviewed-by: Joshua Aberback Signed-off-by: Dillon Varone Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 185 ++++++----- drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h | 2 +- drivers/gpu/drm/amd/display/dc/dc_helper.c | 2 +- .../gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c | 3 +- .../gpu/drm/amd/display/dc/dce/dmub_replay.c | 19 +- .../display/dc/link/protocols/link_dp_dpia.c | 1 + drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 133 +++++--- .../gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 49 ++- .../drm/amd/display/dmub/src/dmub_dcn401.c | 121 ++++--- .../drm/amd/display/dmub/src/dmub_dcn401.h | 4 +- .../gpu/drm/amd/display/dmub/src/dmub_srv.c | 302 ++++++++++++------ 11 files changed, 547 insertions(+), 274 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 614e03bfd598..ca6da53f45ad 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -70,20 +70,28 @@ void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv) } } -void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv) +bool dc_dmub_srv_wait_for_pending(struct dc_dmub_srv *dc_dmub_srv) { - struct dmub_srv *dmub = dc_dmub_srv->dmub; - struct dc_context *dc_ctx = dc_dmub_srv->ctx; + struct dmub_srv *dmub; + struct dc_context *dc_ctx; enum dmub_status status; + if (!dc_dmub_srv || !dc_dmub_srv->dmub) + return false; + + dc_ctx = dc_dmub_srv->ctx; + dmub = dc_dmub_srv->dmub; + do { - status = dmub_srv_wait_for_idle(dmub, 100000); + status = dmub_srv_wait_for_pending(dmub, 100000); } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); if (status != DMUB_STATUS_OK) { DC_ERROR("Error waiting for DMUB idle: status=%d\n", status); dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); } + + return status == DMUB_STATUS_OK; } void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dc_dmub_srv) @@ -126,7 +134,49 @@ void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dc_dmub_srv, } } -bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, +static bool dc_dmub_srv_reg_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, + unsigned int count, + union dmub_rb_cmd *cmd_list) +{ + struct dc_context *dc_ctx; + struct dmub_srv *dmub; + enum dmub_status status = DMUB_STATUS_OK; + int i; + + if (!dc_dmub_srv || !dc_dmub_srv->dmub) + return false; + + dc_ctx = dc_dmub_srv->ctx; + dmub = dc_dmub_srv->dmub; + + for (i = 0 ; i < count; i++) { + /* confirm no messages pending */ + do { + status = dmub_srv_wait_for_idle(dmub, 100000); + } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); + + /* queue command */ + if (status == DMUB_STATUS_OK) + status = dmub_srv_reg_cmd_execute(dmub, &cmd_list[i]); + + /* check for errors */ + if (status != DMUB_STATUS_OK) { + break; + } + } + + if (status != DMUB_STATUS_OK) { + if (status != DMUB_STATUS_POWER_STATE_D3) { + DC_ERROR("Error starting DMUB execution: status=%d\n", status); + dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); + } + return false; + } + + return true; +} + +static bool dc_dmub_srv_fb_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, unsigned int count, union dmub_rb_cmd *cmd_list) { @@ -143,11 +193,16 @@ bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, for (i = 0 ; i < count; i++) { // Queue command - status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); + if (!cmd_list[i].cmd_common.header.multi_cmd_pending || + dmub_rb_num_free(&dmub->inbox1.rb) >= count - i) { + status = dmub_srv_fb_cmd_queue(dmub, &cmd_list[i]); + } else { + status = DMUB_STATUS_QUEUE_FULL; + } if (status == DMUB_STATUS_QUEUE_FULL) { /* Execute and wait for queue to become empty again. */ - status = dmub_srv_cmd_execute(dmub); + status = dmub_srv_fb_cmd_execute(dmub); if (status == DMUB_STATUS_POWER_STATE_D3) return false; @@ -156,7 +211,7 @@ bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); /* Requeue the command. */ - status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); + status = dmub_srv_fb_cmd_queue(dmub, &cmd_list[i]); } if (status != DMUB_STATUS_OK) { @@ -168,7 +223,7 @@ bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, } } - status = dmub_srv_cmd_execute(dmub); + status = dmub_srv_fb_cmd_execute(dmub); if (status != DMUB_STATUS_OK) { if (status != DMUB_STATUS_POWER_STATE_D3) { DC_ERROR("Error starting DMUB execution: status=%d\n", status); @@ -180,6 +235,23 @@ bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, return true; } +bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, + unsigned int count, + union dmub_rb_cmd *cmd_list) +{ + bool res = false; + + if (dc_dmub_srv && dc_dmub_srv->dmub) { + if (dc_dmub_srv->dmub->inbox_type == DMUB_CMD_INTERFACE_REG) { + res = dc_dmub_srv_reg_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list); + } else { + res = dc_dmub_srv_fb_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list); + } + } + + return res; +} + bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv, enum dm_dmub_wait_type wait_type, union dmub_rb_cmd *cmd_list) @@ -202,7 +274,8 @@ bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv, DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status); if (!dmub->debug.timeout_info.timeout_occured) { dmub->debug.timeout_info.timeout_occured = true; - dmub->debug.timeout_info.timeout_cmd = *cmd_list; + if (cmd_list) + dmub->debug.timeout_info.timeout_cmd = *cmd_list; dmub->debug.timeout_info.timestamp = dm_get_timestamp(dc_dmub_srv->ctx); } dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); @@ -210,8 +283,9 @@ bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv, } // Copy data back from ring buffer into command - if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) - dmub_rb_get_return_data(&dmub->inbox1_rb, cmd_list); + if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY && cmd_list) { + dmub_srv_cmd_get_response(dc_dmub_srv->dmub, cmd_list); + } } return true; @@ -224,74 +298,10 @@ bool dc_dmub_srv_cmd_run(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd bool dc_dmub_srv_cmd_run_list(struct dc_dmub_srv *dc_dmub_srv, unsigned int count, union dmub_rb_cmd *cmd_list, enum dm_dmub_wait_type wait_type) { - struct dc_context *dc_ctx; - struct dmub_srv *dmub; - enum dmub_status status; - int i; - - if (!dc_dmub_srv || !dc_dmub_srv->dmub) - return false; - - dc_ctx = dc_dmub_srv->ctx; - dmub = dc_dmub_srv->dmub; - - for (i = 0 ; i < count; i++) { - // Queue command - status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); - - if (status == DMUB_STATUS_QUEUE_FULL) { - /* Execute and wait for queue to become empty again. */ - status = dmub_srv_cmd_execute(dmub); - if (status == DMUB_STATUS_POWER_STATE_D3) - return false; - - status = dmub_srv_wait_for_idle(dmub, 100000); - if (status != DMUB_STATUS_OK) - return false; - - /* Requeue the command. */ - status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); - } - - if (status != DMUB_STATUS_OK) { - if (status != DMUB_STATUS_POWER_STATE_D3) { - DC_ERROR("Error queueing DMUB command: status=%d\n", status); - dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); - } - return false; - } - } - - status = dmub_srv_cmd_execute(dmub); - if (status != DMUB_STATUS_OK) { - if (status != DMUB_STATUS_POWER_STATE_D3) { - DC_ERROR("Error starting DMUB execution: status=%d\n", status); - dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); - } + if (!dc_dmub_srv_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list)) return false; - } - - // Wait for DMUB to process command - if (wait_type != DM_DMUB_WAIT_TYPE_NO_WAIT) { - if (dc_dmub_srv->ctx->dc->debug.disable_timeout) { - do { - status = dmub_srv_wait_for_idle(dmub, 100000); - } while (status != DMUB_STATUS_OK); - } else - status = dmub_srv_wait_for_idle(dmub, 100000); - if (status != DMUB_STATUS_OK) { - DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status); - dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); - return false; - } - - // Copy data back from ring buffer into command - if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) - dmub_rb_get_return_data(&dmub->inbox1_rb, cmd_list); - } - - return true; + return dc_dmub_srv_wait_for_idle(dc_dmub_srv, wait_type, cmd_list); } bool dc_dmub_srv_optimized_init_done(struct dc_dmub_srv *dc_dmub_srv) @@ -1243,7 +1253,7 @@ static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) ips_fw->signals.bits.ips1_commit, ips_fw->signals.bits.ips2_commit); - dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); + dc_dmub_srv_wait_for_idle(dc->ctx->dmub_srv, DM_DMUB_WAIT_TYPE_WAIT, NULL); memset(&new_signals, 0, sizeof(new_signals)); @@ -1400,7 +1410,7 @@ static void dc_dmub_srv_exit_low_power_state(const struct dc *dc) ips_fw->signals.bits.ips1_commit, ips_fw->signals.bits.ips2_commit); - dmub_srv_sync_inbox1(dc->ctx->dmub_srv->dmub); + dmub_srv_sync_inboxes(dc->ctx->dmub_srv->dmub); } } @@ -1654,7 +1664,8 @@ void dc_dmub_srv_fams2_update_config(struct dc *dc, /* fill in generic command header */ global_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; global_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG; - global_cmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); + global_cmd->header.payload_bytes = + sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); if (enable) { /* send global configuration parameters */ @@ -1673,11 +1684,13 @@ void dc_dmub_srv_fams2_update_config(struct dc *dc, /* configure command header */ stream_base_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; stream_base_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG; - stream_base_cmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); + stream_base_cmd->header.payload_bytes = + sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); stream_base_cmd->header.multi_cmd_pending = 1; stream_sub_state_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; stream_sub_state_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG; - stream_sub_state_cmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); + stream_sub_state_cmd->header.payload_bytes = + sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); stream_sub_state_cmd->header.multi_cmd_pending = 1; /* copy stream static base state */ memcpy(&stream_base_cmd->config, @@ -1723,7 +1736,8 @@ void dc_dmub_srv_fams2_drr_update(struct dc *dc, cmd.fams2_drr_update.dmub_optc_state_req.v_total_mid_frame_num = vtotal_mid_frame_num; cmd.fams2_drr_update.dmub_optc_state_req.program_manual_trigger = program_manual_trigger; - cmd.fams2_drr_update.header.payload_bytes = sizeof(cmd.fams2_drr_update) - sizeof(cmd.fams2_drr_update.header); + cmd.fams2_drr_update.header.payload_bytes = + sizeof(cmd.fams2_drr_update) - sizeof(cmd.fams2_drr_update.header); dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); } @@ -1759,7 +1773,8 @@ void dc_dmub_srv_fams2_passthrough_flip( /* build command header */ cmds[num_cmds].fams2_flip.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; cmds[num_cmds].fams2_flip.header.sub_type = DMUB_CMD__FAMS2_FLIP; - cmds[num_cmds].fams2_flip.header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2_flip); + cmds[num_cmds].fams2_flip.header.payload_bytes = + sizeof(struct dmub_rb_cmd_fams2_flip) - sizeof(struct dmub_cmd_header); /* for chaining multiple commands, all but last command should set to 1 */ cmds[num_cmds].fams2_flip.header.multi_cmd_pending = 1; diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h index a636f4c3f01d..ada5c2fb2db3 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h @@ -58,7 +58,7 @@ struct dc_dmub_srv { bool needs_idle_wake; }; -void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv); +bool dc_dmub_srv_wait_for_pending(struct dc_dmub_srv *dc_dmub_srv); bool dc_dmub_srv_optimized_init_done(struct dc_dmub_srv *dc_dmub_srv); diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c index 8f077e15b4f0..72b87b78da0e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c @@ -682,7 +682,7 @@ void reg_sequence_wait_done(const struct dc_context *ctx) if (offload && ctx->dc->debug.dmub_offload_enabled && !ctx->dc->debug.dmcub_emulation) { - dc_dmub_srv_wait_idle(ctx->dmub_srv); + dc_dmub_srv_wait_for_idle(ctx->dmub_srv, DM_DMUB_WAIT_TYPE_WAIT, NULL); } } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c index 0d7e7f3b81a1..a641ae04450c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c @@ -240,7 +240,8 @@ bool dmub_abm_save_restore( cmd.abm_save_restore.abm_init_config_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; cmd.abm_save_restore.abm_init_config_data.panel_mask = panel_mask; - cmd.abm_save_restore.header.payload_bytes = sizeof(struct dmub_rb_cmd_abm_save_restore); + cmd.abm_save_restore.header.payload_bytes = + sizeof(struct dmub_rb_cmd_abm_save_restore) - sizeof(struct dmub_cmd_header); dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c index c31e4f26a305..fcd3d86ad517 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c @@ -280,7 +280,9 @@ static void dmub_replay_set_power_opt_and_coasting_vtotal(struct dmub_replay *dm memset(&cmd, 0, sizeof(cmd)); pCmd->header.type = DMUB_CMD__REPLAY; pCmd->header.sub_type = DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL; - pCmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal); + pCmd->header.payload_bytes = + sizeof(struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal) - + sizeof(struct dmub_cmd_header); pCmd->replay_set_power_opt_data.power_opt = power_opt; pCmd->replay_set_power_opt_data.panel_inst = panel_inst; pCmd->replay_set_coasting_vtotal_data.coasting_vtotal = (coasting_vtotal & 0xFFFF); @@ -319,7 +321,8 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub, cmd.replay_set_timing_sync.header.sub_type = DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED; cmd.replay_set_timing_sync.header.payload_bytes = - sizeof(struct dmub_rb_cmd_replay_set_timing_sync); + sizeof(struct dmub_rb_cmd_replay_set_timing_sync) - + sizeof(struct dmub_cmd_header); //Cmd Body cmd.replay_set_timing_sync.replay_set_timing_sync_data.panel_inst = cmd_element->sync_data.panel_inst; @@ -331,7 +334,8 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub, cmd.replay_set_frameupdate_timer.header.sub_type = DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER; cmd.replay_set_frameupdate_timer.header.payload_bytes = - sizeof(struct dmub_rb_cmd_replay_set_frameupdate_timer); + sizeof(struct dmub_rb_cmd_replay_set_frameupdate_timer) - + sizeof(struct dmub_cmd_header); //Cmd Body cmd.replay_set_frameupdate_timer.data.panel_inst = cmd_element->panel_inst; @@ -345,7 +349,8 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub, cmd.replay_set_pseudo_vtotal.header.sub_type = DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL; cmd.replay_set_pseudo_vtotal.header.payload_bytes = - sizeof(struct dmub_rb_cmd_replay_set_pseudo_vtotal); + sizeof(struct dmub_rb_cmd_replay_set_pseudo_vtotal) - + sizeof(struct dmub_cmd_header); //Cmd Body cmd.replay_set_pseudo_vtotal.data.panel_inst = cmd_element->pseudo_vtotal_data.panel_inst; @@ -357,7 +362,8 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub, cmd.replay_disabled_adaptive_sync_sdp.header.sub_type = DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP; cmd.replay_disabled_adaptive_sync_sdp.header.payload_bytes = - sizeof(struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp); + sizeof(struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp) - + sizeof(struct dmub_cmd_header); //Cmd Body cmd.replay_disabled_adaptive_sync_sdp.data.panel_inst = cmd_element->disabled_adaptive_sync_sdp_data.panel_inst; @@ -369,7 +375,8 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub, cmd.replay_set_general_cmd.header.sub_type = DMUB_CMD__REPLAY_SET_GENERAL_CMD; cmd.replay_set_general_cmd.header.payload_bytes = - sizeof(struct dmub_rb_cmd_replay_set_general_cmd); + sizeof(struct dmub_rb_cmd_replay_set_general_cmd) - + sizeof(struct dmub_cmd_header); //Cmd Body cmd.replay_set_general_cmd.data.panel_inst = cmd_element->set_general_cmd_data.panel_inst; diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c index 0d123e647652..c149210096ac 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c @@ -92,6 +92,7 @@ bool dpia_query_hpd_status(struct dc_link *link) /* prepare QUERY_HPD command */ cmd.query_hpd.header.type = DMUB_CMD__QUERY_HPD_STATE; + cmd.query_hpd.header.payload_bytes = sizeof(cmd.query_hpd.data); cmd.query_hpd.data.instance = link->link_id.enum_id - ENUM_ID_1; cmd.query_hpd.data.ch_type = AUX_CHANNEL_DPIA; diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index 8ebeb34021e5..203e3a440845 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -51,8 +51,8 @@ * for the cache windows. * * The call to dmub_srv_hw_init() programs the DMCUB registers to prepare - * for command submission. Commands can be queued via dmub_srv_cmd_queue() - * and executed via dmub_srv_cmd_execute(). + * for command submission. Commands can be queued via dmub_srv_fb_cmd_queue() + * and executed via dmub_srv_fb_cmd_execute(). * * If the queue is full the dmub_srv_wait_for_idle() call can be used to * wait until the queue has been cleared. @@ -170,6 +170,13 @@ enum dmub_srv_power_state_type { DMUB_POWER_STATE_D3 = 8 }; +/* enum dmub_inbox_cmd_interface type - defines default interface for host->dmub commands */ +enum dmub_inbox_cmd_interface_type { + DMUB_CMD_INTERFACE_DEFAULT = 0, + DMUB_CMD_INTERFACE_FB = 1, + DMUB_CMD_INTERFACE_REG = 2, +}; + /** * struct dmub_region - dmub hw memory region * @base: base address for region, must be 256 byte aligned @@ -349,6 +356,21 @@ struct dmub_diagnostic_data { uint8_t is_cw6_enabled : 1; }; +struct dmub_srv_inbox { + /* generic status */ + uint64_t num_submitted; + uint64_t num_reported; + union { + /* frame buffer mailbox status */ + struct dmub_rb rb; + /* register mailbox status */ + struct { + bool is_pending; + bool is_multi_pending; + }; + }; +}; + /** * struct dmub_srv_base_funcs - Driver specific base callbacks */ @@ -462,18 +484,21 @@ struct dmub_srv_hw_funcs { void (*init_reg_offsets)(struct dmub_srv *dmub, struct dc_context *ctx); void (*subvp_save_surf_addr)(struct dmub_srv *dmub, const struct dc_plane_address *addr, uint8_t subvp_index); + void (*send_reg_inbox0_cmd_msg)(struct dmub_srv *dmub, union dmub_rb_cmd *cmd); uint32_t (*read_reg_inbox0_rsp_int_status)(struct dmub_srv *dmub); void (*read_reg_inbox0_cmd_rsp)(struct dmub_srv *dmub, union dmub_rb_cmd *cmd); void (*write_reg_inbox0_rsp_int_ack)(struct dmub_srv *dmub); + void (*clear_reg_inbox0_rsp_int_ack)(struct dmub_srv *dmub); + void (*enable_reg_inbox0_rsp_int)(struct dmub_srv *dmub, bool enable); + uint32_t (*read_reg_outbox0_rdy_int_status)(struct dmub_srv *dmub); void (*write_reg_outbox0_rdy_int_ack)(struct dmub_srv *dmub); void (*read_reg_outbox0_msg)(struct dmub_srv *dmub, uint32_t *msg); void (*write_reg_outbox0_rsp)(struct dmub_srv *dmub, uint32_t *rsp); uint32_t (*read_reg_outbox0_rsp_int_status)(struct dmub_srv *dmub); - void (*enable_reg_inbox0_rsp_int)(struct dmub_srv *dmub, bool enable); void (*enable_reg_outbox0_rdy_int)(struct dmub_srv *dmub, bool enable); }; @@ -493,6 +518,7 @@ struct dmub_srv_create_params { enum dmub_asic asic; uint32_t fw_version; bool is_virtual; + enum dmub_inbox_cmd_interface_type inbox_type; }; /** @@ -519,11 +545,11 @@ struct dmub_srv { struct dmub_srv_dcn32_regs *regs_dcn32; struct dmub_srv_dcn35_regs *regs_dcn35; const struct dmub_srv_dcn401_regs *regs_dcn401; - struct dmub_srv_base_funcs funcs; struct dmub_srv_hw_funcs hw_funcs; - struct dmub_rb inbox1_rb; + struct dmub_srv_inbox inbox1; uint32_t inbox1_last_wptr; + struct dmub_srv_inbox reg_inbox0; /** * outbox1_rb is accessed without locks (dal & dc) * and to be used only in dmub_srv_stat_get_notification() @@ -543,6 +569,7 @@ struct dmub_srv { struct dmub_fw_meta_info meta_info; struct dmub_feature_caps feature_caps; struct dmub_visual_confirm_color visual_confirm_color; + enum dmub_inbox_cmd_interface_type inbox_type; enum dmub_srv_power_state_type power_state; struct dmub_diagnostic_data debug; @@ -700,19 +727,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub); /** - * dmub_srv_sync_inbox1() - sync sw state with hw state - * @dmub: the dmub service - * - * Sync sw state with hw state when resume from S0i3 - * - * Return: - * DMUB_STATUS_OK - success - * DMUB_STATUS_INVALID - unspecified error - */ -enum dmub_status dmub_srv_sync_inbox1(struct dmub_srv *dmub); - -/** - * dmub_srv_cmd_queue() - queues a command to the DMUB + * dmub_srv_fb_cmd_queue() - queues a command to the DMUB * @dmub: the dmub service * @cmd: the command to queue * @@ -724,11 +739,11 @@ enum dmub_status dmub_srv_sync_inbox1(struct dmub_srv *dmub); * DMUB_STATUS_QUEUE_FULL - no remaining room in queue * DMUB_STATUS_INVALID - unspecified error */ -enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, +enum dmub_status dmub_srv_fb_cmd_queue(struct dmub_srv *dmub, const union dmub_rb_cmd *cmd); /** - * dmub_srv_cmd_execute() - Executes a queued sequence to the dmub + * dmub_srv_fb_cmd_execute() - Executes a queued sequence to the dmub * @dmub: the dmub service * * Begins execution of queued commands on the dmub. @@ -737,7 +752,7 @@ enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, * DMUB_STATUS_OK - success * DMUB_STATUS_INVALID - unspecified error */ -enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub); +enum dmub_status dmub_srv_fb_cmd_execute(struct dmub_srv *dmub); /** * dmub_srv_wait_for_hw_pwr_up() - Waits for firmware hardware power up is completed @@ -795,6 +810,23 @@ enum dmub_status dmub_srv_wait_for_auto_load(struct dmub_srv *dmub, enum dmub_status dmub_srv_wait_for_phy_init(struct dmub_srv *dmub, uint32_t timeout_us); +/** + * dmub_srv_wait_for_pending() - Re-entrant wait for messages currently pending + * @dmub: the dmub service + * @timeout_us: the maximum number of microseconds to wait + * + * Waits until the commands queued prior to this call are complete. + * If interfaces remain busy due to additional work being submitted + * concurrently, this function will not continue to wait. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_TIMEOUT - wait for buffer to flush timed out + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_wait_for_pending(struct dmub_srv *dmub, + uint32_t timeout_us); + /** * dmub_srv_wait_for_idle() - Waits for the DMUB to be idle * @dmub: the dmub service @@ -893,9 +925,6 @@ enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub, enum dmub_status dmub_srv_get_fw_boot_option(struct dmub_srv *dmub, union dmub_fw_boot_options *option); -enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub, - union dmub_rb_cmd *cmd); - enum dmub_status dmub_srv_set_skip_panel_power_sequence(struct dmub_srv *dmub, bool skip); @@ -959,26 +988,6 @@ enum dmub_status dmub_srv_clear_inbox0_ack(struct dmub_srv *dmub); */ void dmub_srv_subvp_save_surf_addr(struct dmub_srv *dmub, const struct dc_plane_address *addr, uint8_t subvp_index); -/** - * dmub_srv_send_reg_inbox0_cmd() - send a dmub command and wait for the command - * being processed by DMUB. - * @dmub: The dmub service - * @cmd: The dmub command being sent. If with_replay is true, the function will - * update cmd with replied data. - * @with_reply: true if DMUB reply needs to be copied back to cmd. false if the - * cmd doesn't need to be replied. - * @timeout_us: timeout in microseconds. - * - * Return: - * DMUB_STATUS_OK - success - * DMUB_STATUS_TIMEOUT - DMUB fails to process the command within the timeout - * interval. - */ -enum dmub_status dmub_srv_send_reg_inbox0_cmd( - struct dmub_srv *dmub, - union dmub_rb_cmd *cmd, - bool with_reply, uint32_t timeout_us); - /** * dmub_srv_set_power_state() - Track DC power state in dmub_srv * @dmub: The dmub service @@ -991,4 +1000,40 @@ enum dmub_status dmub_srv_send_reg_inbox0_cmd( */ void dmub_srv_set_power_state(struct dmub_srv *dmub, enum dmub_srv_power_state_type dmub_srv_power_state); +/** + * dmub_srv_reg_cmd_execute() - Executes provided command to the dmub + * @dmub: the dmub service + * @cmd: the command packet to be executed + * + * Executes a single command for the dmub. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_reg_cmd_execute(struct dmub_srv *dmub, union dmub_rb_cmd *cmd); + + +/** + * dmub_srv_cmd_get_response() - Copies return data for command into buffer + * @dmub: the dmub service + * @cmd_rsp: response buffer + * + * Copies return data for command into buffer + */ +void dmub_srv_cmd_get_response(struct dmub_srv *dmub, + union dmub_rb_cmd *cmd_rsp); + +/** + * dmub_srv_sync_inboxes() - Sync inbox state + * @dmub: the dmub service + * + * Sync inbox state + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_sync_inboxes(struct dmub_srv *dmub); + #endif /* _DMUB_SRV_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index f84bbc033e64..1f5f4e3e49d4 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -1331,6 +1331,16 @@ enum dmub_inbox0_command { */ #define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY) +/** + * Maximum number of items in the DMUB REG INBOX0 internal ringbuffer. + */ +#define DMUB_REG_INBOX0_RB_MAX_ENTRY 16 + +/** + * Ringbuffer size in bytes. + */ +#define DMUB_REG_INBOX0_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_REG_INBOX0_RB_MAX_ENTRY) + /** * REG_SET mask for reg offload. */ @@ -1533,7 +1543,8 @@ struct dmub_cmd_header { unsigned int sub_type : 8; /**< command sub type */ unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */ unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */ - unsigned int reserved0 : 6; /**< reserved bits */ + unsigned int is_reg_based : 1; /**< 1 if register based mailbox cmd, 0 if FB based cmd */ + unsigned int reserved0 : 5; /**< reserved bits */ unsigned int payload_bytes : 6; /* payload excluding header - up to 60 bytes */ unsigned int reserved1 : 2; /**< reserved bits */ }; @@ -5890,6 +5901,42 @@ static inline bool dmub_rb_empty(struct dmub_rb *rb) return (rb->wrpt == rb->rptr); } +/** + * @brief gets number of outstanding requests in the RB + * + * @param rb DMUB Ringbuffer + * @return true if full + */ +static inline uint32_t dmub_rb_num_outstanding(struct dmub_rb *rb) +{ + uint32_t data_count; + + if (rb->wrpt >= rb->rptr) + data_count = rb->wrpt - rb->rptr; + else + data_count = rb->capacity - (rb->rptr - rb->wrpt); + + return data_count / DMUB_RB_CMD_SIZE; +} + +/** + * @brief gets number of free buffers in the RB + * + * @param rb DMUB Ringbuffer + * @return true if full + */ +static inline uint32_t dmub_rb_num_free(struct dmub_rb *rb) +{ + uint32_t data_count; + + if (rb->wrpt >= rb->rptr) + data_count = rb->wrpt - rb->rptr; + else + data_count = rb->capacity - (rb->rptr - rb->wrpt); + + return (rb->capacity - data_count) / DMUB_RB_CMD_SIZE; +} + /** * @brief Checks if the ringbuffer is full * diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c index e67f7c4784eb..731ca9b6a6cf 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c @@ -517,28 +517,69 @@ void dmub_dcn401_send_reg_inbox0_cmd_msg(struct dmub_srv *dmub, union dmub_rb_cmd *cmd) { uint32_t *dwords = (uint32_t *)cmd; - + int32_t payload_size_bytes = cmd->cmd_common.header.payload_bytes; + uint32_t msg_index; static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch"); - REG_WRITE(DMCUB_REG_INBOX0_MSG0, dwords[0]); - REG_WRITE(DMCUB_REG_INBOX0_MSG1, dwords[1]); - REG_WRITE(DMCUB_REG_INBOX0_MSG2, dwords[2]); - REG_WRITE(DMCUB_REG_INBOX0_MSG3, dwords[3]); - REG_WRITE(DMCUB_REG_INBOX0_MSG4, dwords[4]); - REG_WRITE(DMCUB_REG_INBOX0_MSG5, dwords[5]); - REG_WRITE(DMCUB_REG_INBOX0_MSG6, dwords[6]); - REG_WRITE(DMCUB_REG_INBOX0_MSG7, dwords[7]); - REG_WRITE(DMCUB_REG_INBOX0_MSG8, dwords[8]); - REG_WRITE(DMCUB_REG_INBOX0_MSG9, dwords[9]); - REG_WRITE(DMCUB_REG_INBOX0_MSG10, dwords[10]); - REG_WRITE(DMCUB_REG_INBOX0_MSG11, dwords[11]); - REG_WRITE(DMCUB_REG_INBOX0_MSG12, dwords[12]); - REG_WRITE(DMCUB_REG_INBOX0_MSG13, dwords[13]); - REG_WRITE(DMCUB_REG_INBOX0_MSG14, dwords[14]); + /* read remaining data based on payload size */ + for (msg_index = 0; msg_index < 15; msg_index++) { + if (payload_size_bytes <= msg_index * 4) { + break; + } + + switch (msg_index) { + case 0: + REG_WRITE(DMCUB_REG_INBOX0_MSG0, dwords[msg_index + 1]); + break; + case 1: + REG_WRITE(DMCUB_REG_INBOX0_MSG1, dwords[msg_index + 1]); + break; + case 2: + REG_WRITE(DMCUB_REG_INBOX0_MSG2, dwords[msg_index + 1]); + break; + case 3: + REG_WRITE(DMCUB_REG_INBOX0_MSG3, dwords[msg_index + 1]); + break; + case 4: + REG_WRITE(DMCUB_REG_INBOX0_MSG4, dwords[msg_index + 1]); + break; + case 5: + REG_WRITE(DMCUB_REG_INBOX0_MSG5, dwords[msg_index + 1]); + break; + case 6: + REG_WRITE(DMCUB_REG_INBOX0_MSG6, dwords[msg_index + 1]); + break; + case 7: + REG_WRITE(DMCUB_REG_INBOX0_MSG7, dwords[msg_index + 1]); + break; + case 8: + REG_WRITE(DMCUB_REG_INBOX0_MSG8, dwords[msg_index + 1]); + break; + case 9: + REG_WRITE(DMCUB_REG_INBOX0_MSG9, dwords[msg_index + 1]); + break; + case 10: + REG_WRITE(DMCUB_REG_INBOX0_MSG10, dwords[msg_index + 1]); + break; + case 11: + REG_WRITE(DMCUB_REG_INBOX0_MSG11, dwords[msg_index + 1]); + break; + case 12: + REG_WRITE(DMCUB_REG_INBOX0_MSG12, dwords[msg_index + 1]); + break; + case 13: + REG_WRITE(DMCUB_REG_INBOX0_MSG13, dwords[msg_index + 1]); + break; + case 14: + REG_WRITE(DMCUB_REG_INBOX0_MSG14, dwords[msg_index + 1]); + break; + } + } + /* writing to INBOX RDY register will trigger DMUB REG INBOX0 RDY * interrupt. */ - REG_WRITE(DMCUB_REG_INBOX0_RDY, dwords[15]); + REG_WRITE(DMCUB_REG_INBOX0_RDY, dwords[0]); } uint32_t dmub_dcn401_read_reg_inbox0_rsp_int_status(struct dmub_srv *dmub) @@ -556,30 +597,39 @@ void dmub_dcn401_read_reg_inbox0_cmd_rsp(struct dmub_srv *dmub, static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch"); - dwords[0] = REG_READ(DMCUB_REG_INBOX0_MSG0); - dwords[1] = REG_READ(DMCUB_REG_INBOX0_MSG1); - dwords[2] = REG_READ(DMCUB_REG_INBOX0_MSG2); - dwords[3] = REG_READ(DMCUB_REG_INBOX0_MSG3); - dwords[4] = REG_READ(DMCUB_REG_INBOX0_MSG4); - dwords[5] = REG_READ(DMCUB_REG_INBOX0_MSG5); - dwords[6] = REG_READ(DMCUB_REG_INBOX0_MSG6); - dwords[7] = REG_READ(DMCUB_REG_INBOX0_MSG7); - dwords[8] = REG_READ(DMCUB_REG_INBOX0_MSG8); - dwords[9] = REG_READ(DMCUB_REG_INBOX0_MSG9); - dwords[10] = REG_READ(DMCUB_REG_INBOX0_MSG10); - dwords[11] = REG_READ(DMCUB_REG_INBOX0_MSG11); - dwords[12] = REG_READ(DMCUB_REG_INBOX0_MSG12); - dwords[13] = REG_READ(DMCUB_REG_INBOX0_MSG13); - dwords[14] = REG_READ(DMCUB_REG_INBOX0_MSG14); - dwords[15] = REG_READ(DMCUB_REG_INBOX0_RSP); + dwords[0] = REG_READ(DMCUB_REG_INBOX0_RSP); + dwords[1] = REG_READ(DMCUB_REG_INBOX0_MSG0); + dwords[2] = REG_READ(DMCUB_REG_INBOX0_MSG1); + dwords[3] = REG_READ(DMCUB_REG_INBOX0_MSG2); + dwords[4] = REG_READ(DMCUB_REG_INBOX0_MSG3); + dwords[5] = REG_READ(DMCUB_REG_INBOX0_MSG4); + dwords[6] = REG_READ(DMCUB_REG_INBOX0_MSG5); + dwords[7] = REG_READ(DMCUB_REG_INBOX0_MSG6); + dwords[8] = REG_READ(DMCUB_REG_INBOX0_MSG7); + dwords[9] = REG_READ(DMCUB_REG_INBOX0_MSG8); + dwords[10] = REG_READ(DMCUB_REG_INBOX0_MSG9); + dwords[11] = REG_READ(DMCUB_REG_INBOX0_MSG10); + dwords[12] = REG_READ(DMCUB_REG_INBOX0_MSG11); + dwords[13] = REG_READ(DMCUB_REG_INBOX0_MSG12); + dwords[14] = REG_READ(DMCUB_REG_INBOX0_MSG13); + dwords[15] = REG_READ(DMCUB_REG_INBOX0_MSG14); } void dmub_dcn401_write_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub) { REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 1); +} + +void dmub_dcn401_clear_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub) +{ REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 0); } +void dmub_dcn401_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable) +{ + REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN, enable ? 1:0); +} + void dmub_dcn401_write_reg_outbox0_rdy_int_ack(struct dmub_srv *dmub) { REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK, 1); @@ -604,11 +654,6 @@ uint32_t dmub_dcn401_read_reg_outbox0_rsp_int_status(struct dmub_srv *dmub) return status; } -void dmub_dcn401_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable) -{ - REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN, enable ? 1:0); -} - void dmub_dcn401_enable_reg_outbox0_rdy_int(struct dmub_srv *dmub, bool enable) { REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN, enable ? 1:0); diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h index c35be52676f6..88c3a44d67d9 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h @@ -277,11 +277,13 @@ uint32_t dmub_dcn401_read_reg_inbox0_rsp_int_status(struct dmub_srv *dmub); void dmub_dcn401_read_reg_inbox0_cmd_rsp(struct dmub_srv *dmub, union dmub_rb_cmd *cmd); void dmub_dcn401_write_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub); +void dmub_dcn401_clear_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub); +void dmub_dcn401_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable); + void dmub_dcn401_write_reg_outbox0_rdy_int_ack(struct dmub_srv *dmub); void dmub_dcn401_read_reg_outbox0_msg(struct dmub_srv *dmub, uint32_t *msg); void dmub_dcn401_write_reg_outbox0_rsp(struct dmub_srv *dmub, uint32_t *msg); uint32_t dmub_dcn401_read_reg_outbox0_rsp_int_status(struct dmub_srv *dmub); -void dmub_dcn401_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable); void dmub_dcn401_enable_reg_outbox0_rdy_int(struct dmub_srv *dmub, bool enable); uint32_t dmub_dcn401_read_reg_outbox0_rdy_int_status(struct dmub_srv *dmub); diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 0a2285540daf..713576a1f6fa 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -157,6 +157,9 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) { struct dmub_srv_hw_funcs *funcs = &dmub->hw_funcs; + /* default to specifying now inbox type */ + enum dmub_inbox_cmd_interface_type default_inbox_type = DMUB_CMD_INTERFACE_DEFAULT; + switch (asic) { case DMUB_ASIC_DCN20: case DMUB_ASIC_DCN21: @@ -353,7 +356,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) funcs->init_reg_offsets = dmub_srv_dcn35_regs_init; if (asic == DMUB_ASIC_DCN351) - funcs->init_reg_offsets = dmub_srv_dcn351_regs_init; + funcs->init_reg_offsets = dmub_srv_dcn351_regs_init; if (asic == DMUB_ASIC_DCN36) funcs->init_reg_offsets = dmub_srv_dcn36_regs_init; @@ -395,10 +398,15 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) funcs->get_current_time = dmub_dcn401_get_current_time; funcs->get_diagnostic_data = dmub_dcn401_get_diagnostic_data; + funcs->send_reg_inbox0_cmd_msg = dmub_dcn401_send_reg_inbox0_cmd_msg; funcs->read_reg_inbox0_rsp_int_status = dmub_dcn401_read_reg_inbox0_rsp_int_status; funcs->read_reg_inbox0_cmd_rsp = dmub_dcn401_read_reg_inbox0_cmd_rsp; funcs->write_reg_inbox0_rsp_int_ack = dmub_dcn401_write_reg_inbox0_rsp_int_ack; + funcs->clear_reg_inbox0_rsp_int_ack = dmub_dcn401_clear_reg_inbox0_rsp_int_ack; + funcs->enable_reg_inbox0_rsp_int = dmub_dcn401_enable_reg_inbox0_rsp_int; + default_inbox_type = DMUB_CMD_INTERFACE_FB; // still default to FB for now + funcs->write_reg_outbox0_rdy_int_ack = dmub_dcn401_write_reg_outbox0_rdy_int_ack; funcs->read_reg_outbox0_msg = dmub_dcn401_read_reg_outbox0_msg; funcs->write_reg_outbox0_rsp = dmub_dcn401_write_reg_outbox0_rsp; @@ -411,6 +419,20 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) return false; } + /* set default inbox type if not overriden */ + if (dmub->inbox_type == DMUB_CMD_INTERFACE_DEFAULT) { + if (default_inbox_type != DMUB_CMD_INTERFACE_DEFAULT) { + /* use default inbox type as specified by DCN rev */ + dmub->inbox_type = default_inbox_type; + } else if (funcs->send_reg_inbox0_cmd_msg) { + /* prefer reg as default inbox type if present */ + dmub->inbox_type = DMUB_CMD_INTERFACE_REG; + } else { + /* use fb as fallback */ + dmub->inbox_type = DMUB_CMD_INTERFACE_FB; + } + } + return true; } @@ -426,6 +448,7 @@ enum dmub_status dmub_srv_create(struct dmub_srv *dmub, dmub->asic = params->asic; dmub->fw_version = params->fw_version; dmub->is_virtual = params->is_virtual; + dmub->inbox_type = params->inbox_type; /* Setup asic dependent hardware funcs. */ if (!dmub_srv_hw_setup(dmub, params->asic)) { @@ -695,7 +718,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, inbox1.base = cw4.region.base; inbox1.top = cw4.region.base + DMUB_RB_SIZE; outbox1.base = inbox1.top; - outbox1.top = cw4.region.top; + outbox1.top = inbox1.top + DMUB_RB_SIZE; cw5.offset.quad_part = tracebuff_fb->gpu_addr; cw5.region.base = DMUB_CW5_BASE; @@ -737,7 +760,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, rb_params.ctx = dmub; rb_params.base_address = mail_fb->cpu_addr; rb_params.capacity = DMUB_RB_SIZE; - dmub_rb_init(&dmub->inbox1_rb, &rb_params); + dmub_rb_init(&dmub->inbox1.rb, &rb_params); // Initialize outbox1 ring buffer rb_params.ctx = dmub; @@ -768,27 +791,6 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, return DMUB_STATUS_OK; } -enum dmub_status dmub_srv_sync_inbox1(struct dmub_srv *dmub) -{ - if (!dmub->sw_init) - return DMUB_STATUS_INVALID; - - if (dmub->hw_funcs.get_inbox1_rptr && dmub->hw_funcs.get_inbox1_wptr) { - uint32_t rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); - uint32_t wptr = dmub->hw_funcs.get_inbox1_wptr(dmub); - - if (rptr > dmub->inbox1_rb.capacity || wptr > dmub->inbox1_rb.capacity) { - return DMUB_STATUS_HW_FAILURE; - } else { - dmub->inbox1_rb.rptr = rptr; - dmub->inbox1_rb.wrpt = wptr; - dmub->inbox1_last_wptr = dmub->inbox1_rb.wrpt; - } - } - - return DMUB_STATUS_OK; -} - enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub) { if (!dmub->sw_init) @@ -799,8 +801,13 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub) /* mailboxes have been reset in hw, so reset the sw state as well */ dmub->inbox1_last_wptr = 0; - dmub->inbox1_rb.wrpt = 0; - dmub->inbox1_rb.rptr = 0; + dmub->inbox1.rb.wrpt = 0; + dmub->inbox1.rb.rptr = 0; + dmub->inbox1.num_reported = 0; + dmub->inbox1.num_submitted = 0; + dmub->reg_inbox0.num_reported = 0; + dmub->reg_inbox0.num_submitted = 0; + dmub->reg_inbox0.is_pending = 0; dmub->outbox0_rb.wrpt = 0; dmub->outbox0_rb.rptr = 0; dmub->outbox1_rb.wrpt = 0; @@ -811,7 +818,7 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub) return DMUB_STATUS_OK; } -enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, +enum dmub_status dmub_srv_fb_cmd_queue(struct dmub_srv *dmub, const union dmub_rb_cmd *cmd) { if (!dmub->hw_init) @@ -820,18 +827,20 @@ enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, if (dmub->power_state != DMUB_POWER_STATE_D0) return DMUB_STATUS_POWER_STATE_D3; - if (dmub->inbox1_rb.rptr > dmub->inbox1_rb.capacity || - dmub->inbox1_rb.wrpt > dmub->inbox1_rb.capacity) { + if (dmub->inbox1.rb.rptr > dmub->inbox1.rb.capacity || + dmub->inbox1.rb.wrpt > dmub->inbox1.rb.capacity) { return DMUB_STATUS_HW_FAILURE; } - if (dmub_rb_push_front(&dmub->inbox1_rb, cmd)) + if (dmub_rb_push_front(&dmub->inbox1.rb, cmd)) { + dmub->inbox1.num_submitted++; return DMUB_STATUS_OK; + } return DMUB_STATUS_QUEUE_FULL; } -enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub) +enum dmub_status dmub_srv_fb_cmd_execute(struct dmub_srv *dmub) { struct dmub_rb flush_rb; @@ -846,13 +855,13 @@ enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub) * been flushed to framebuffer memory. Otherwise DMCUB might * read back stale, fully invalid or partially invalid data. */ - flush_rb = dmub->inbox1_rb; + flush_rb = dmub->inbox1.rb; flush_rb.rptr = dmub->inbox1_last_wptr; dmub_rb_flush_pending(&flush_rb); - dmub->hw_funcs.set_inbox1_wptr(dmub, dmub->inbox1_rb.wrpt); + dmub->hw_funcs.set_inbox1_wptr(dmub, dmub->inbox1.rb.wrpt); - dmub->inbox1_last_wptr = dmub->inbox1_rb.wrpt; + dmub->inbox1_last_wptr = dmub->inbox1.rb.wrpt; return DMUB_STATUS_OK; } @@ -910,26 +919,97 @@ enum dmub_status dmub_srv_wait_for_auto_load(struct dmub_srv *dmub, return DMUB_STATUS_TIMEOUT; } +static void dmub_srv_update_reg_inbox0_status(struct dmub_srv *dmub) +{ + if (dmub->reg_inbox0.is_pending) { + dmub->reg_inbox0.is_pending = dmub->hw_funcs.read_reg_inbox0_rsp_int_status && + !dmub->hw_funcs.read_reg_inbox0_rsp_int_status(dmub); + + if (!dmub->reg_inbox0.is_pending) { + /* ack the rsp interrupt */ + if (dmub->hw_funcs.write_reg_inbox0_rsp_int_ack) + dmub->hw_funcs.write_reg_inbox0_rsp_int_ack(dmub); + + /* only update the reported count if commands aren't being batched */ + if (!dmub->reg_inbox0.is_pending && !dmub->reg_inbox0.is_multi_pending) { + dmub->reg_inbox0.num_reported = dmub->reg_inbox0.num_submitted; + } + } + } +} + +enum dmub_status dmub_srv_wait_for_pending(struct dmub_srv *dmub, + uint32_t timeout_us) +{ + uint32_t i; + const uint32_t polling_interval_us = 1; + struct dmub_srv_inbox scratch_reg_inbox0 = dmub->reg_inbox0; + struct dmub_srv_inbox scratch_inbox1 = dmub->inbox1; + const volatile struct dmub_srv_inbox *reg_inbox0 = &dmub->reg_inbox0; + const volatile struct dmub_srv_inbox *inbox1 = &dmub->inbox1; + + if (!dmub->hw_init || + !dmub->hw_funcs.get_inbox1_wptr) + return DMUB_STATUS_INVALID; + + /* take a snapshot of the required mailbox state */ + scratch_inbox1.rb.wrpt = dmub->hw_funcs.get_inbox1_wptr(dmub); + + for (i = 0; i <= timeout_us; i += polling_interval_us) { + scratch_inbox1.rb.rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); + + scratch_reg_inbox0.is_pending = scratch_reg_inbox0.is_pending && + dmub->hw_funcs.read_reg_inbox0_rsp_int_status && + !dmub->hw_funcs.read_reg_inbox0_rsp_int_status(dmub); + + if (scratch_inbox1.rb.rptr > dmub->inbox1.rb.capacity) + return DMUB_STATUS_HW_FAILURE; + + /* check current HW state first, but use command submission vs reported as a fallback */ + if ((dmub_rb_empty(&scratch_inbox1.rb) || + inbox1->num_reported >= scratch_inbox1.num_submitted) && + (!scratch_reg_inbox0.is_pending || + reg_inbox0->num_reported >= scratch_reg_inbox0.num_submitted)) + return DMUB_STATUS_OK; + + udelay(polling_interval_us); + } + + return DMUB_STATUS_TIMEOUT; +} + enum dmub_status dmub_srv_wait_for_idle(struct dmub_srv *dmub, uint32_t timeout_us) { uint32_t i, rptr; + const uint32_t polling_interval_us = 1; if (!dmub->hw_init) return DMUB_STATUS_INVALID; - for (i = 0; i <= timeout_us; ++i) { - rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); + for (i = 0; i < timeout_us; i += polling_interval_us) { + /* update inbox1 state */ + rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); - if (rptr > dmub->inbox1_rb.capacity) + if (rptr > dmub->inbox1.rb.capacity) return DMUB_STATUS_HW_FAILURE; - dmub->inbox1_rb.rptr = rptr; + if (dmub->inbox1.rb.rptr > rptr) { + /* rb wrapped */ + dmub->inbox1.num_reported += (rptr + dmub->inbox1.rb.capacity - dmub->inbox1.rb.rptr) / DMUB_RB_CMD_SIZE; + } else { + dmub->inbox1.num_reported += (rptr - dmub->inbox1.rb.rptr) / DMUB_RB_CMD_SIZE; + } + dmub->inbox1.rb.rptr = rptr; + + /* update reg_inbox0 */ + dmub_srv_update_reg_inbox0_status(dmub); - if (dmub_rb_empty(&dmub->inbox1_rb)) + /* check for idle */ + if (dmub_rb_empty(&dmub->inbox1.rb) && !dmub->reg_inbox0.is_pending) return DMUB_STATUS_OK; - udelay(1); + udelay(polling_interval_us); } return DMUB_STATUS_TIMEOUT; @@ -1040,35 +1120,6 @@ enum dmub_status dmub_srv_set_skip_panel_power_sequence(struct dmub_srv *dmub, return DMUB_STATUS_OK; } -enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub, - union dmub_rb_cmd *cmd) -{ - enum dmub_status status = DMUB_STATUS_OK; - - // Queue command - status = dmub_srv_cmd_queue(dmub, cmd); - - if (status != DMUB_STATUS_OK) - return status; - - // Execute command - status = dmub_srv_cmd_execute(dmub); - - if (status != DMUB_STATUS_OK) - return status; - - // Wait for DMUB to process command - status = dmub_srv_wait_for_idle(dmub, 100000); - - if (status != DMUB_STATUS_OK) - return status; - - // Copy data back from ring buffer into command - dmub_rb_get_return_data(&dmub->inbox1_rb, cmd); - - return status; -} - static inline bool dmub_rb_out_trace_buffer_front(struct dmub_rb *rb, void *entry) { @@ -1160,46 +1211,105 @@ void dmub_srv_subvp_save_surf_addr(struct dmub_srv *dmub, const struct dc_plane_ } } -enum dmub_status dmub_srv_send_reg_inbox0_cmd( - struct dmub_srv *dmub, - union dmub_rb_cmd *cmd, - bool with_reply, uint32_t timeout_us) +void dmub_srv_set_power_state(struct dmub_srv *dmub, enum dmub_srv_power_state_type dmub_srv_power_state) { - uint32_t rsp_ready = 0; - uint32_t i; + if (!dmub || !dmub->hw_init) + return; + + dmub->power_state = dmub_srv_power_state; +} + +enum dmub_status dmub_srv_reg_cmd_execute(struct dmub_srv *dmub, union dmub_rb_cmd *cmd) +{ + uint32_t num_pending = 0; + + if (!dmub->hw_init) + return DMUB_STATUS_INVALID; + + if (dmub->power_state != DMUB_POWER_STATE_D0) + return DMUB_STATUS_POWER_STATE_D3; + + if (!dmub->hw_funcs.send_reg_inbox0_cmd_msg || + !dmub->hw_funcs.clear_reg_inbox0_rsp_int_ack) + return DMUB_STATUS_INVALID; + + if (dmub->reg_inbox0.num_submitted >= dmub->reg_inbox0.num_reported) + num_pending = dmub->reg_inbox0.num_submitted - dmub->reg_inbox0.num_reported; + else + /* num_submitted wrapped */ + num_pending = DMUB_REG_INBOX0_RB_MAX_ENTRY - + (dmub->reg_inbox0.num_reported - dmub->reg_inbox0.num_submitted); + if (num_pending >= DMUB_REG_INBOX0_RB_MAX_ENTRY) + return DMUB_STATUS_QUEUE_FULL; + + /* clear last rsp ack and send message */ + dmub->hw_funcs.clear_reg_inbox0_rsp_int_ack(dmub); dmub->hw_funcs.send_reg_inbox0_cmd_msg(dmub, cmd); - for (i = 0; i < timeout_us; i++) { - rsp_ready = dmub->hw_funcs.read_reg_inbox0_rsp_int_status(dmub); - if (rsp_ready) - break; - udelay(1); + dmub->reg_inbox0.num_submitted++; + dmub->reg_inbox0.is_pending = true; + dmub->reg_inbox0.is_multi_pending = cmd->cmd_common.header.multi_cmd_pending; + + return DMUB_STATUS_OK; +} + +void dmub_srv_cmd_get_response(struct dmub_srv *dmub, + union dmub_rb_cmd *cmd_rsp) +{ + if (dmub) { + if (dmub->inbox_type == DMUB_CMD_INTERFACE_REG && + dmub->hw_funcs.read_reg_inbox0_cmd_rsp) { + dmub->hw_funcs.read_reg_inbox0_cmd_rsp(dmub, cmd_rsp); + } else { + dmub_rb_get_return_data(&dmub->inbox1.rb, cmd_rsp); + } } - if (rsp_ready == 0) - return DMUB_STATUS_TIMEOUT; +} - if (with_reply) - dmub->hw_funcs.read_reg_inbox0_cmd_rsp(dmub, cmd); +static enum dmub_status dmub_srv_sync_reg_inbox0(struct dmub_srv *dmub) +{ + if (!dmub || !dmub->sw_init) + return DMUB_STATUS_INVALID; - dmub->hw_funcs.write_reg_inbox0_rsp_int_ack(dmub); + dmub->reg_inbox0.is_pending = 0; + dmub->reg_inbox0.is_multi_pending = 0; - /* wait for rsp int status is cleared to initial state before exit */ - for (; i <= timeout_us; i++) { - rsp_ready = dmub->hw_funcs.read_reg_inbox0_rsp_int_status(dmub); - if (rsp_ready == 0) - break; - udelay(1); + return DMUB_STATUS_OK; +} + +static enum dmub_status dmub_srv_sync_inbox1(struct dmub_srv *dmub) +{ + if (!dmub->sw_init) + return DMUB_STATUS_INVALID; + + if (dmub->hw_funcs.get_inbox1_rptr && dmub->hw_funcs.get_inbox1_wptr) { + uint32_t rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); + uint32_t wptr = dmub->hw_funcs.get_inbox1_wptr(dmub); + + if (rptr > dmub->inbox1.rb.capacity || wptr > dmub->inbox1.rb.capacity) { + return DMUB_STATUS_HW_FAILURE; + } else { + dmub->inbox1.rb.rptr = rptr; + dmub->inbox1.rb.wrpt = wptr; + dmub->inbox1_last_wptr = dmub->inbox1.rb.wrpt; + } } - ASSERT(rsp_ready == 0); return DMUB_STATUS_OK; } -void dmub_srv_set_power_state(struct dmub_srv *dmub, enum dmub_srv_power_state_type dmub_srv_power_state) +enum dmub_status dmub_srv_sync_inboxes(struct dmub_srv *dmub) { - if (!dmub || !dmub->hw_init) - return; + enum dmub_status status; - dmub->power_state = dmub_srv_power_state; + status = dmub_srv_sync_reg_inbox0(dmub); + if (status != DMUB_STATUS_OK) + return status; + + status = dmub_srv_sync_inbox1(dmub); + if (status != DMUB_STATUS_OK) + return status; + + return DMUB_STATUS_OK; } -- 2.51.0 From 274a87eb389f58eddcbc5659ab0b180b37e92775 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Thu, 27 Feb 2025 16:36:25 -0700 Subject: [PATCH 06/16] drm/amd/display: Assign normalized_pix_clk when color depth = 14 [WHY & HOW] A warning message "WARNING: CPU: 4 PID: 459 at ... /dc_resource.c:3397 calculate_phy_pix_clks+0xef/0x100 [amdgpu]" occurs because the display_color_depth == COLOR_DEPTH_141414 is not handled. This is observed in Radeon RX 6600 XT. It is fixed by assigning pix_clk * (14 * 3) / 24 - same as the rests. Also fixes the indentation in get_norm_pix_clk. Reviewed-by: Harry Wentland Signed-off-by: Alex Hung Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index ea404435c9b9..313a32248cd7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -3623,10 +3623,13 @@ static int get_norm_pix_clk(const struct dc_crtc_timing *timing) break; case COLOR_DEPTH_121212: normalized_pix_clk = (pix_clk * 36) / 24; - break; + break; + case COLOR_DEPTH_141414: + normalized_pix_clk = (pix_clk * 42) / 24; + break; case COLOR_DEPTH_161616: normalized_pix_clk = (pix_clk * 48) / 24; - break; + break; default: ASSERT(0); break; -- 2.51.0 From dd60bfd5349a7a4c9e1a8b14c935593342c6c6a2 Mon Sep 17 00:00:00 2001 From: Leo Zeng Date: Thu, 27 Feb 2025 15:09:04 -0500 Subject: [PATCH 07/16] drm/amd/display: Fix visual confirm color not updating [WHY] Sometimes visual confirm color is updated, but the background color is not changed. This causes visual confrim to show incorrect colors. [HOW] Update background color when visual confirm color changes. Reviewed-by: Dillon Varone Signed-off-by: Leo Zeng Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c index 52ee2225e132..55b32dfbfdd6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c @@ -817,7 +817,14 @@ void hwss_build_fast_sequence(struct dc *dc, block_sequence[*num_steps].func = DPP_SET_OUTPUT_TRANSFER_FUNC; (*num_steps)++; } - + if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE && + dc->hwss.update_visual_confirm_color) { + block_sequence[*num_steps].params.update_visual_confirm_params.dc = dc; + block_sequence[*num_steps].params.update_visual_confirm_params.pipe_ctx = current_mpc_pipe; + block_sequence[*num_steps].params.update_visual_confirm_params.mpcc_id = current_mpc_pipe->plane_res.hubp->inst; + block_sequence[*num_steps].func = MPC_UPDATE_VISUAL_CONFIRM; + (*num_steps)++; + } if (current_mpc_pipe->stream->update_flags.bits.out_csc) { block_sequence[*num_steps].params.power_on_mpc_mem_pwr_params.mpc = dc->res_pool->mpc; block_sequence[*num_steps].params.power_on_mpc_mem_pwr_params.mpcc_id = current_mpc_pipe->plane_res.hubp->inst; -- 2.51.0 From d3069feecdb5542604d29b59acfd1fd213bad95b Mon Sep 17 00:00:00 2001 From: Zhikai Zhai Date: Thu, 27 Feb 2025 20:09:14 +0800 Subject: [PATCH 08/16] drm/amd/display: calculate the remain segments for all pipes [WHY] In some cases the remain de-tile buffer segments will be greater than zero if we don't add the non-top pipe to calculate, at this time the override de-tile buffer size will be valid and used. But it makes the de-tile buffer segments used finally for all of pipes exceed the maximum. [HOW] Add the non-top pipe to calculate the remain de-tile buffer segments. Don't set override size to use the average according to pipe count if the value exceed the maximum. Reviewed-by: Charlene Liu Signed-off-by: Zhikai Zhai Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../dc/resource/dcn315/dcn315_resource.c | 42 +++++++++---------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c index 14acef036b5a..6c2bb3f63be1 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c @@ -1698,7 +1698,7 @@ static int dcn315_populate_dml_pipes_from_context( pipes[pipe_cnt].dout.dsc_input_bpc = 0; DC_FP_START(); dcn31_zero_pipe_dcc_fraction(pipes, pipe_cnt); - if (pixel_rate_crb && !pipe->top_pipe && !pipe->prev_odm_pipe) { + if (pixel_rate_crb) { int bpp = source_format_to_bpp(pipes[pipe_cnt].pipe.src.source_format); /* Ceil to crb segment size */ int approx_det_segs_required_for_pstate = dcn_get_approx_det_segs_required_for_pstate( @@ -1755,28 +1755,26 @@ static int dcn315_populate_dml_pipes_from_context( continue; } - if (!pipe->top_pipe && !pipe->prev_odm_pipe) { - bool split_required = pipe->stream->timing.pix_clk_100hz >= dcn_get_max_non_odm_pix_rate_100hz(&dc->dml.soc) - || (pipe->plane_state && pipe->plane_state->src_rect.width > 5120); - - if (remaining_det_segs > MIN_RESERVED_DET_SEGS && crb_pipes != 0) - pipes[pipe_cnt].pipe.src.det_size_override += (remaining_det_segs - MIN_RESERVED_DET_SEGS) / crb_pipes + - (crb_idx < (remaining_det_segs - MIN_RESERVED_DET_SEGS) % crb_pipes ? 1 : 0); - if (pipes[pipe_cnt].pipe.src.det_size_override > 2 * DCN3_15_MAX_DET_SEGS) { - /* Clamp to 2 pipe split max det segments */ - remaining_det_segs += pipes[pipe_cnt].pipe.src.det_size_override - 2 * (DCN3_15_MAX_DET_SEGS); - pipes[pipe_cnt].pipe.src.det_size_override = 2 * DCN3_15_MAX_DET_SEGS; - } - if (pipes[pipe_cnt].pipe.src.det_size_override > DCN3_15_MAX_DET_SEGS || split_required) { - /* If we are splitting we must have an even number of segments */ - remaining_det_segs += pipes[pipe_cnt].pipe.src.det_size_override % 2; - pipes[pipe_cnt].pipe.src.det_size_override -= pipes[pipe_cnt].pipe.src.det_size_override % 2; - } - /* Convert segments into size for DML use */ - pipes[pipe_cnt].pipe.src.det_size_override *= DCN3_15_CRB_SEGMENT_SIZE_KB; - - crb_idx++; + bool split_required = pipe->stream->timing.pix_clk_100hz >= dcn_get_max_non_odm_pix_rate_100hz(&dc->dml.soc) + || (pipe->plane_state && pipe->plane_state->src_rect.width > 5120); + + if (remaining_det_segs > MIN_RESERVED_DET_SEGS && crb_pipes != 0) + pipes[pipe_cnt].pipe.src.det_size_override += (remaining_det_segs - MIN_RESERVED_DET_SEGS) / crb_pipes + + (crb_idx < (remaining_det_segs - MIN_RESERVED_DET_SEGS) % crb_pipes ? 1 : 0); + if (pipes[pipe_cnt].pipe.src.det_size_override > 2 * DCN3_15_MAX_DET_SEGS) { + /* Clamp to 2 pipe split max det segments */ + remaining_det_segs += pipes[pipe_cnt].pipe.src.det_size_override - 2 * (DCN3_15_MAX_DET_SEGS); + pipes[pipe_cnt].pipe.src.det_size_override = 2 * DCN3_15_MAX_DET_SEGS; + } + if (pipes[pipe_cnt].pipe.src.det_size_override > DCN3_15_MAX_DET_SEGS || split_required) { + /* If we are splitting we must have an even number of segments */ + remaining_det_segs += pipes[pipe_cnt].pipe.src.det_size_override % 2; + pipes[pipe_cnt].pipe.src.det_size_override -= pipes[pipe_cnt].pipe.src.det_size_override % 2; } + /* Convert segments into size for DML use */ + pipes[pipe_cnt].pipe.src.det_size_override *= DCN3_15_CRB_SEGMENT_SIZE_KB; + + crb_idx++; pipe_cnt++; } } -- 2.51.0 From 34935701b7ed1a1ef449310ba041f10964b23cf4 Mon Sep 17 00:00:00 2001 From: Zhongwei Zhang Date: Fri, 28 Feb 2025 10:35:23 +0800 Subject: [PATCH 09/16] drm/amd/display: Correct timing_adjust_pending flag setting. [Why&How] stream->adjust will be overwritten by update->crtc_timing_adjust. We should set update->crtc_timing_adjust->timing_adjust_pending and then overwrite stream->adjust. Reset update->crtc_timing_adjust->timing_adjust_pending after the assignment. Reviewed-by: Charlene Liu Signed-off-by: Zhongwei Zhang Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 5a43e4901cc0..28d1353f403d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3169,8 +3169,9 @@ static void copy_stream_update_to_stream(struct dc *dc, if (update->crtc_timing_adjust) { if (stream->adjust.v_total_min != update->crtc_timing_adjust->v_total_min || stream->adjust.v_total_max != update->crtc_timing_adjust->v_total_max) - stream->adjust.timing_adjust_pending = true; + update->crtc_timing_adjust->timing_adjust_pending = true; stream->adjust = *update->crtc_timing_adjust; + update->crtc_timing_adjust->timing_adjust_pending = false; } if (update->dpms_off) -- 2.51.0 From 29c1c20496a7a9bafe2bc2f833d69aa52e0f2c2d Mon Sep 17 00:00:00 2001 From: Ryan Seto Date: Fri, 28 Feb 2025 14:24:57 -0500 Subject: [PATCH 10/16] drm/amd/display: Prevent VStartup Overflow [Why] For some VR headsets with large blanks, it's possible to overflow the OTG_VSTARTUP_PARAM:VSTARTUP_START register. This can lead to incorrect DML calculations and underflow downstream. [How] Min the calcualted max_vstartup_lines with the max value of the register. Reviewed-by: Dillon Varone Signed-off-by: Ryan Seto Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c index 4c33d99ca7e8..4c504cb0e1c5 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c @@ -15,6 +15,7 @@ //#define DML_MODE_SUPPORT_USE_DPM_DRAM_BW //#define DML_GLOBAL_PREFETCH_CHECK #define ALLOW_SDPIF_RATE_LIMIT_PRE_CSTATE +#define DML_MAX_VSTARTUP_START 1023 const char *dml2_core_internal_bw_type_str(enum dml2_core_internal_bw_type bw_type) { @@ -3737,6 +3738,7 @@ static unsigned int CalculateMaxVStartup( dml2_printf("DML::%s: vblank_avail = %u\n", __func__, vblank_avail); dml2_printf("DML::%s: max_vstartup_lines = %u\n", __func__, max_vstartup_lines); #endif + max_vstartup_lines = (unsigned int)math_min2(max_vstartup_lines, DML_MAX_VSTARTUP_START); return max_vstartup_lines; } -- 2.51.0 From 725a04ba5a95e89c89633d4322430cfbca7ce128 Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Fri, 28 Feb 2025 13:18:14 -0600 Subject: [PATCH 11/16] drm/amd/display: Fix slab-use-after-free on hdcp_work [Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running. [How] Cancel the delayed work when destroying workqueue. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4006 Fixes: da3fd7ac0bcf ("drm/amd/display: Update CP property based on HW query") Cc: Alex Deucher Reviewed-by: Alex Hung Signed-off-by: Mario Limonciello Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 8238cfd276be..6a4b5f4d8a9d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -455,6 +455,7 @@ void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *hdcp_work) for (i = 0; i < hdcp_work->max_link; i++) { cancel_delayed_work_sync(&hdcp_work[i].callback_dwork); cancel_delayed_work_sync(&hdcp_work[i].watchdog_timer_dwork); + cancel_delayed_work_sync(&hdcp_work[i].property_validate_dwork); } sysfs_remove_bin_file(kobj, &hdcp_work[0].attr); -- 2.51.0 From 6b675ab8efbf2bcee25be29e865455c56e246401 Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Fri, 28 Feb 2025 13:30:01 -0600 Subject: [PATCH 12/16] drm/amd/display: Add scoped mutexes for amdgpu_dm_dhcp [Why] Guards automatically release mutex when it goes out of scope making code easier to follow. [How] Replace all use of mutex_lock()/mutex_unlock() with guard(mutex). Reviewed-by: Alex Hung Signed-off-by: Mario Limonciello Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 37 +++++-------------- 1 file changed, 10 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 6a4b5f4d8a9d..6f8f21e123c8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -172,7 +172,7 @@ void hdcp_update_display(struct hdcp_workqueue *hdcp_work, struct mod_hdcp_display_adjustment display_adjust; unsigned int conn_index = aconnector->base.index; - mutex_lock(&hdcp_w->mutex); + guard(mutex)(&hdcp_w->mutex); hdcp_w->aconnector[conn_index] = aconnector; memset(&link_adjust, 0, sizeof(link_adjust)); @@ -209,7 +209,6 @@ void hdcp_update_display(struct hdcp_workqueue *hdcp_work, mod_hdcp_update_display(&hdcp_w->hdcp, conn_index, &link_adjust, &display_adjust, &hdcp_w->output); process_output(hdcp_w); - mutex_unlock(&hdcp_w->mutex); } static void hdcp_remove_display(struct hdcp_workqueue *hdcp_work, @@ -220,7 +219,7 @@ static void hdcp_remove_display(struct hdcp_workqueue *hdcp_work, struct drm_connector_state *conn_state = aconnector->base.state; unsigned int conn_index = aconnector->base.index; - mutex_lock(&hdcp_w->mutex); + guard(mutex)(&hdcp_w->mutex); hdcp_w->aconnector[conn_index] = aconnector; /* the removal of display will invoke auth reset -> hdcp destroy and @@ -239,7 +238,6 @@ static void hdcp_remove_display(struct hdcp_workqueue *hdcp_work, mod_hdcp_remove_display(&hdcp_w->hdcp, aconnector->base.index, &hdcp_w->output); process_output(hdcp_w); - mutex_unlock(&hdcp_w->mutex); } void hdcp_reset_display(struct hdcp_workqueue *hdcp_work, unsigned int link_index) @@ -247,7 +245,7 @@ void hdcp_reset_display(struct hdcp_workqueue *hdcp_work, unsigned int link_inde struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index]; unsigned int conn_index; - mutex_lock(&hdcp_w->mutex); + guard(mutex)(&hdcp_w->mutex); mod_hdcp_reset_connection(&hdcp_w->hdcp, &hdcp_w->output); @@ -259,8 +257,6 @@ void hdcp_reset_display(struct hdcp_workqueue *hdcp_work, unsigned int link_inde } process_output(hdcp_w); - - mutex_unlock(&hdcp_w->mutex); } void hdcp_handle_cpirq(struct hdcp_workqueue *hdcp_work, unsigned int link_index) @@ -277,7 +273,7 @@ static void event_callback(struct work_struct *work) hdcp_work = container_of(to_delayed_work(work), struct hdcp_workqueue, callback_dwork); - mutex_lock(&hdcp_work->mutex); + guard(mutex)(&hdcp_work->mutex); cancel_delayed_work(&hdcp_work->callback_dwork); @@ -285,8 +281,6 @@ static void event_callback(struct work_struct *work) &hdcp_work->output); process_output(hdcp_work); - - mutex_unlock(&hdcp_work->mutex); } static void event_property_update(struct work_struct *work) @@ -323,7 +317,7 @@ static void event_property_update(struct work_struct *work) continue; drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - mutex_lock(&hdcp_work->mutex); + guard(mutex)(&hdcp_work->mutex); if (conn_state->commit) { ret = wait_for_completion_interruptible_timeout(&conn_state->commit->hw_done, @@ -355,7 +349,6 @@ static void event_property_update(struct work_struct *work) drm_hdcp_update_content_protection(connector, DRM_MODE_CONTENT_PROTECTION_DESIRED); } - mutex_unlock(&hdcp_work->mutex); drm_modeset_unlock(&dev->mode_config.connection_mutex); } } @@ -368,7 +361,7 @@ static void event_property_validate(struct work_struct *work) struct amdgpu_dm_connector *aconnector; unsigned int conn_index; - mutex_lock(&hdcp_work->mutex); + guard(mutex)(&hdcp_work->mutex); for (conn_index = 0; conn_index < AMDGPU_DM_MAX_DISPLAY_INDEX; conn_index++) { @@ -408,8 +401,6 @@ static void event_property_validate(struct work_struct *work) schedule_work(&hdcp_work->property_update_work); } } - - mutex_unlock(&hdcp_work->mutex); } static void event_watchdog_timer(struct work_struct *work) @@ -420,7 +411,7 @@ static void event_watchdog_timer(struct work_struct *work) struct hdcp_workqueue, watchdog_timer_dwork); - mutex_lock(&hdcp_work->mutex); + guard(mutex)(&hdcp_work->mutex); cancel_delayed_work(&hdcp_work->watchdog_timer_dwork); @@ -429,8 +420,6 @@ static void event_watchdog_timer(struct work_struct *work) &hdcp_work->output); process_output(hdcp_work); - - mutex_unlock(&hdcp_work->mutex); } static void event_cpirq(struct work_struct *work) @@ -439,13 +428,11 @@ static void event_cpirq(struct work_struct *work) hdcp_work = container_of(work, struct hdcp_workqueue, cpirq_work); - mutex_lock(&hdcp_work->mutex); + guard(mutex)(&hdcp_work->mutex); mod_hdcp_process_event(&hdcp_work->hdcp, MOD_HDCP_EVENT_CPIRQ, &hdcp_work->output); process_output(hdcp_work); - - mutex_unlock(&hdcp_work->mutex); } void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *hdcp_work) @@ -479,7 +466,7 @@ static bool enable_assr(void *handle, struct dc_link *link) dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf; - mutex_lock(&psp->dtm_context.mutex); + guard(mutex)(&psp->dtm_context.mutex); memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_ASSR_ENABLE; @@ -494,8 +481,6 @@ static bool enable_assr(void *handle, struct dc_link *link) res = false; } - mutex_unlock(&psp->dtm_context.mutex); - return res; } @@ -557,13 +542,11 @@ static void update_config(void *handle, struct cp_psp_stream_config *config) (!!aconnector->base.state) ? aconnector->base.state->hdcp_content_type : -1); - mutex_lock(&hdcp_w->mutex); + guard(mutex)(&hdcp_w->mutex); mod_hdcp_add_display(&hdcp_w->hdcp, link, display, &hdcp_w->output); process_output(hdcp_w); - mutex_unlock(&hdcp_w->mutex); - } /** -- 2.51.0 From 272385483e0b1cadfeae03548fb8798d178f13d9 Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Fri, 28 Feb 2025 13:32:57 -0600 Subject: [PATCH 13/16] drm/amd/display: Drop unnecessary ret variable for enable_assr() [Why] enable_assr() has a res variable that only is changed in one block with no cleanup necessary. [How] Remove variable and return early from failure cases. Reviewed-by: Alex Hung Signed-off-by: Mario Limonciello Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 6f8f21e123c8..a3e93b2891f0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -457,7 +457,6 @@ static bool enable_assr(void *handle, struct dc_link *link) struct mod_hdcp hdcp = hdcp_work->hdcp; struct psp_context *psp = hdcp.config.psp.handle; struct ta_dtm_shared_memory *dtm_cmd; - bool res = true; if (!psp->dtm_context.context.initialized) { DRM_INFO("Failed to enable ASSR, DTM TA is not initialized."); @@ -478,10 +477,10 @@ static bool enable_assr(void *handle, struct dc_link *link) if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) { DRM_INFO("Failed to enable ASSR"); - res = false; + return false; } - return res; + return true; } static void update_config(void *handle, struct cp_psp_stream_config *config) -- 2.51.0 From 756e58e83e89d372b94269c0cde61fe55da76947 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Mon, 3 Mar 2025 13:53:16 -0500 Subject: [PATCH 14/16] drm/amd/display: remove minimum Dispclk and apply oem panel timing. [why & how] 1. apply oem panel timing (not only on OLED) 2. remove MIN_DPP_DISP_CLK request in driver. This fix will apply for dcn31x but not sync with DML's output. Reviewed-by: Ovidiu Bunea Signed-off-by: Charlene Liu Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c | 2 -- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c | 2 -- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 ++- 3 files changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c index a0fb4481d2f1..19a15acd1509 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c @@ -194,8 +194,6 @@ static void dcn315_update_clocks(struct clk_mgr *clk_mgr_base, // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. if (new_clocks->dppclk_khz < MIN_DPP_DISP_CLK) new_clocks->dppclk_khz = MIN_DPP_DISP_CLK; - if (new_clocks->dispclk_khz < MIN_DPP_DISP_CLK) - new_clocks->dispclk_khz = MIN_DPP_DISP_CLK; if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c index c3e50c3aaa60..4b19d9cf27ce 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c @@ -201,8 +201,6 @@ static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base, // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. if (new_clocks->dppclk_khz < 100000) new_clocks->dppclk_khz = 100000; - if (new_clocks->dispclk_khz < 100000) - new_clocks->dispclk_khz = 100000; if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index dbc6e533dcac..5656d10368ad 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1066,7 +1066,8 @@ void dce110_edp_backlight_control( DC_LOG_DC("edp_receiver_ready_T9 skipped\n"); } - if (!enable && link->dpcd_sink_ext_caps.bits.oled) { + if (!enable) { + /*follow oem panel config's requirement*/ pre_T11_delay += link->panel_config.pps.extra_pre_t11_ms; msleep(pre_T11_delay); } -- 2.51.0 From 2f1b6b24b0ddc6e3342a6c5f731b79e57339f102 Mon Sep 17 00:00:00 2001 From: Taimur Hassan Date: Mon, 3 Mar 2025 11:10:19 -0500 Subject: [PATCH 15/16] drm/amd/display: Promote DAL to 3.2.324 This version brings along following fixes: - Fix some Replay/PSR issue - Fix backlight brightness - Fix suspend issue - Fix visual confirm color - Add scoped mutexes for amdgpu_dm_dhcp Reviewed-by: Ovidiu Bunea Reviewed-by: Nicholas Kazlauskas Signed-off-by: Taimur Hassan Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index a62c4893e5ff..67e1bb6fa335 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -53,7 +53,7 @@ struct aux_payload; struct set_config_cmd_payload; struct dmub_notification; -#define DC_VER "3.2.323" +#define DC_VER "3.2.324" /** * MAX_SURFACES - representative of the upper bound of surfaces that can be piped to a single CRTC -- 2.51.0 From f4f086de310026abfe28512dfa4984fb4648663a Mon Sep 17 00:00:00 2001 From: Ethan Carter Edwards Date: Thu, 27 Feb 2025 18:16:21 -0500 Subject: [PATCH 16/16] drm/amd/display: change kzalloc to kcalloc in dcn30_validate_bandwidth() We are trying to get rid of all multiplications from allocation functions to prevent integer overflows. Here the multiplication is probably safe, but using kcalloc() is more appropriate and improves readability. This patch has no effect on runtime behavior. Reviewed-by: Rodrigo Siqueira Reviewed-by: Alex Hung Signed-off-by: Ethan Carter Edwards Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c index 13202ce30d66..f01ced015072 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c @@ -2047,7 +2047,8 @@ bool dcn30_validate_bandwidth(struct dc *dc, int vlevel = 0; int pipe_cnt = 0; - display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL); + display_e2e_pipe_params_st *pipes = kcalloc(dc->res_pool->pipe_count, + sizeof(display_e2e_pipe_params_st), GFP_KERNEL); DC_LOGGER_INIT(dc->ctx->logger); BW_VAL_TRACE_COUNT(); -- 2.51.0