From: Fangzhi Zuo <[email protected]> Add DSC log in each critical routines to facilitate debugging.
Reviewed-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Fangzhi Zuo <[email protected]> Signed-off-by: Zaeem Mohamed <[email protected]> --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 +- .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 18 +-- .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 131 ++++++++++++++---- 3 files changed, 119 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index dd8353283bda..541578c39aa9 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6446,7 +6446,8 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector, dc_link_get_highest_encoding_format(aconnector->dc_link), &stream->timing.dsc_cfg)) { stream->timing.flags.DSC = 1; - DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name); + DRM_DEBUG_DRIVER("%s: SST_DSC [%s] DSC is selected from SST RX\n", + __func__, drm_connector->name); } } else if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing, @@ -6465,7 +6466,7 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector, dc_link_get_highest_encoding_format(aconnector->dc_link), &stream->timing.dsc_cfg)) { stream->timing.flags.DSC = 1; - DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from DP-HDMI PCON\n", + DRM_DEBUG_DRIVER("%s: SST_DSC [%s] DSC is selected from DP-HDMI PCON\n", __func__, drm_connector->name); } } @@ -11588,7 +11589,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, if (dc_resource_is_dsc_encoding_supported(dc)) { ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars); if (ret) { - drm_dbg_atomic(dev, "compute_mst_dsc_configs_for_state() failed\n"); + drm_dbg_atomic(dev, "MST_DSC compute_mst_dsc_configs_for_state() failed\n"); ret = -EINVAL; goto fail; } @@ -11609,7 +11610,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, */ ret = drm_dp_mst_atomic_check(state); if (ret) { - drm_dbg_atomic(dev, "drm_dp_mst_atomic_check() failed\n"); + drm_dbg_atomic(dev, "MST drm_dp_mst_atomic_check() failed\n"); goto fail; } status = dc_validate_global_state(dc, dm_state->context, true); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index cea3a16943c9..39b82c73a0dd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -759,7 +759,7 @@ static uint8_t write_dsc_enable_synaptics_non_virtual_dpcd_mst( uint8_t ret = 0; drm_dbg_dp(aux->drm_dev, - "Configure DSC to non-virtual dpcd synaptics\n"); + "MST_DSC Configure DSC to non-virtual dpcd synaptics\n"); if (enable) { /* When DSC is enabled on previous boot and reboot with the hub, @@ -772,7 +772,7 @@ static uint8_t write_dsc_enable_synaptics_non_virtual_dpcd_mst( apply_synaptics_fifo_reset_wa(aux); ret = drm_dp_dpcd_write(aux, DP_DSC_ENABLE, &enable, 1); - DRM_INFO("Send DSC enable to synaptics\n"); + DRM_INFO("MST_DSC Send DSC enable to synaptics\n"); } else { /* Synaptics hub not support virtual dpcd, @@ -781,7 +781,7 @@ static uint8_t write_dsc_enable_synaptics_non_virtual_dpcd_mst( */ if (!stream->link->link_status.link_active) { ret = drm_dp_dpcd_write(aux, DP_DSC_ENABLE, &enable, 1); - DRM_INFO("Send DSC disable to synaptics\n"); + DRM_INFO("MST_DSC Send DSC disable to synaptics\n"); } } @@ -823,14 +823,14 @@ bool dm_helpers_dp_write_dsc_enable( DP_DSC_ENABLE, &enable_passthrough, 1); drm_dbg_dp(dev, - "Sent DSC pass-through enable to virtual dpcd port, ret = %u\n", + "MST_DSC Sent DSC pass-through enable to virtual dpcd port, ret = %u\n", ret); } ret = drm_dp_dpcd_write(aconnector->dsc_aux, DP_DSC_ENABLE, &enable_dsc, 1); drm_dbg_dp(dev, - "Sent DSC decoding enable to %s port, ret = %u\n", + "MST_DSC Sent DSC decoding enable to %s port, ret = %u\n", (port->passthrough_aux) ? "remote RX" : "virtual dpcd", ret); @@ -838,7 +838,7 @@ bool dm_helpers_dp_write_dsc_enable( ret = drm_dp_dpcd_write(aconnector->dsc_aux, DP_DSC_ENABLE, &enable_dsc, 1); drm_dbg_dp(dev, - "Sent DSC decoding disable to %s port, ret = %u\n", + "MST_DSC Sent DSC decoding disable to %s port, ret = %u\n", (port->passthrough_aux) ? "remote RX" : "virtual dpcd", ret); @@ -848,7 +848,7 @@ bool dm_helpers_dp_write_dsc_enable( DP_DSC_ENABLE, &enable_passthrough, 1); drm_dbg_dp(dev, - "Sent DSC pass-through disable to virtual dpcd port, ret = %u\n", + "MST_DSC Sent DSC pass-through disable to virtual dpcd port, ret = %u\n", ret); } } @@ -858,12 +858,12 @@ bool dm_helpers_dp_write_dsc_enable( if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); drm_dbg_dp(dev, - "Send DSC %s to SST RX\n", + "SST_DSC Send DSC %s to SST RX\n", enable_dsc ? "enable" : "disable"); } else if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); drm_dbg_dp(dev, - "Send DSC %s to DP-HDMI PCON\n", + "SST_DSC Send DSC %s to DP-HDMI PCON\n", enable_dsc ? "enable" : "disable"); } } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index c309af2f6f24..08586f9e07c1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -577,6 +577,8 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, if (!aconnector) return NULL; + DRM_DEBUG_DRIVER("%s: Create aconnector 0x%p for port 0x%p\n", __func__, aconnector, port); + connector = &aconnector->base; aconnector->mst_output_port = port; aconnector->mst_root = master; @@ -871,11 +873,11 @@ static void set_dsc_configs_from_fairness_vars(struct dsc_mst_fairness_params *p if (params[i].sink) { if (params[i].sink->sink_signal != SIGNAL_TYPE_VIRTUAL && params[i].sink->sink_signal != SIGNAL_TYPE_NONE) - DRM_DEBUG_DRIVER("%s i=%d dispname=%s\n", __func__, i, + DRM_DEBUG_DRIVER("MST_DSC %s i=%d dispname=%s\n", __func__, i, params[i].sink->edid_caps.display_name); } - DRM_DEBUG_DRIVER("dsc=%d bits_per_pixel=%d pbn=%d\n", + DRM_DEBUG_DRIVER("MST_DSC dsc=%d bits_per_pixel=%d pbn=%d\n", params[i].timing->flags.DSC, params[i].timing->dsc_cfg.bits_per_pixel, vars[i + k].pbn); @@ -1053,6 +1055,7 @@ static int try_disable_dsc(struct drm_atomic_state *state, if (next_index == -1) break; + DRM_DEBUG_DRIVER("MST_DSC index #%d, try no compression\n", next_index); vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.stream_kbps, fec_overhead_multiplier_x1000); ret = drm_dp_atomic_find_time_slots(state, params[next_index].port->mgr, @@ -1063,9 +1066,11 @@ static int try_disable_dsc(struct drm_atomic_state *state, ret = drm_dp_mst_atomic_check(state); if (ret == 0) { + DRM_DEBUG_DRIVER("MST_DSC index #%d, greedily disable dsc\n", next_index); vars[next_index].dsc_enabled = false; vars[next_index].bpp_x16 = 0; } else { + DRM_DEBUG_DRIVER("MST_DSC index #%d, restore minimum compression\n", next_index); vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.stream_kbps, fec_overhead_multiplier_x1000); ret = drm_dp_atomic_find_time_slots(state, params[next_index].port->mgr, @@ -1081,6 +1086,15 @@ static int try_disable_dsc(struct drm_atomic_state *state, return 0; } +static void log_dsc_params(int count, struct dsc_mst_fairness_vars *vars, int k) +{ + int i; + + for (i = 0; i < count; i++) + DRM_DEBUG_DRIVER("MST_DSC DSC params: stream #%d --- dsc_enabled = %d, bpp_x16 = %d, pbn = %d\n", + i, vars[i + k].dsc_enabled, vars[i + k].bpp_x16, vars[i + k].pbn); +} + static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, struct dc_state *dc_state, struct dc_link *dc_link, @@ -1103,6 +1117,7 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, return PTR_ERR(mst_state); /* Set up params */ + DRM_DEBUG_DRIVER("%s: MST_DSC Set up params for %d streams\n", __func__, dc_state->stream_count); for (i = 0; i < dc_state->stream_count; i++) { struct dc_dsc_policy dsc_policy = {0}; @@ -1144,6 +1159,9 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, params[count].bw_range.stream_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing, dc_link_get_highest_encoding_format(dc_link)); + DRM_DEBUG_DRIVER("MST_DSC #%d stream 0x%p - max_kbps = %u, min_kbps = %u, uncompressed_kbps = %u\n", + count, stream, params[count].bw_range.max_kbps, params[count].bw_range.min_kbps, + params[count].bw_range.stream_kbps); count++; } @@ -1158,6 +1176,7 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, *link_vars_start_index += count; /* Try no compression */ + DRM_DEBUG_DRIVER("MST_DSC Try no compression\n"); for (i = 0; i < count; i++) { vars[i + k].aconnector = params[i].aconnector; vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps, fec_overhead_multiplier_x1000); @@ -1176,7 +1195,10 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, return ret; } + log_dsc_params(count, vars, k); + /* Try max compression */ + DRM_DEBUG_DRIVER("MST_DSC Try max compression\n"); for (i = 0; i < count; i++) { if (params[i].compression_possible && params[i].clock_force_enable != DSC_CLK_FORCE_DISABLE) { vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.min_kbps, fec_overhead_multiplier_x1000); @@ -1200,14 +1222,26 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, if (ret != 0) return ret; + log_dsc_params(count, vars, k); + /* Optimize degree of compression */ + DRM_DEBUG_DRIVER("MST_DSC Try optimize compression\n"); ret = increase_dsc_bpp(state, mst_state, dc_link, params, vars, count, k); - if (ret < 0) + if (ret < 0) { + DRM_DEBUG_DRIVER("MST_DSC Failed to optimize compression\n"); return ret; + } + log_dsc_params(count, vars, k); + + DRM_DEBUG_DRIVER("MST_DSC Try disable compression\n"); ret = try_disable_dsc(state, dc_link, params, vars, count, k); - if (ret < 0) + if (ret < 0) { + DRM_DEBUG_DRIVER("MST_DSC Failed to disable compression\n"); return ret; + } + + log_dsc_params(count, vars, k); set_dsc_configs_from_fairness_vars(params, vars, count, k); @@ -1229,17 +1263,19 @@ static bool is_dsc_need_re_compute( /* only check phy used by dsc mst branch */ if (dc_link->type != dc_connection_mst_branch) - return false; + goto out; /* add a check for older MST DSC with no virtual DPCDs */ if (needs_dsc_aux_workaround(dc_link) && (!(dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT || dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_PASSTHROUGH_SUPPORT))) - return false; + goto out; for (i = 0; i < MAX_PIPES; i++) stream_on_link[i] = NULL; + DRM_DEBUG_DRIVER("%s: MST_DSC check on %d streams in new dc_state\n", __func__, dc_state->stream_count); + /* check if there is mode change in new request */ for (i = 0; i < dc_state->stream_count; i++) { struct drm_crtc_state *new_crtc_state; @@ -1249,6 +1285,8 @@ static bool is_dsc_need_re_compute( if (!stream) continue; + DRM_DEBUG_DRIVER("%s:%d MST_DSC checking #%d stream 0x%p\n", __func__, __LINE__, i, stream); + /* check if stream using the same link for mst */ if (stream->link != dc_link) continue; @@ -1261,8 +1299,11 @@ static bool is_dsc_need_re_compute( new_stream_on_link_num++; new_conn_state = drm_atomic_get_new_connector_state(state, &aconnector->base); - if (!new_conn_state) + if (!new_conn_state) { + DRM_DEBUG_DRIVER("%s:%d MST_DSC no new_conn_state for stream 0x%p, aconnector 0x%p\n", + __func__, __LINE__, stream, aconnector); continue; + } if (IS_ERR(new_conn_state)) continue; @@ -1271,21 +1312,36 @@ static bool is_dsc_need_re_compute( continue; new_crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc); - if (!new_crtc_state) + if (!new_crtc_state) { + DRM_DEBUG_DRIVER("%s:%d MST_DSC no new_crtc_state for crtc of stream 0x%p, aconnector 0x%p\n", + __func__, __LINE__, stream, aconnector); continue; + } if (IS_ERR(new_crtc_state)) continue; if (new_crtc_state->enable && new_crtc_state->active) { if (new_crtc_state->mode_changed || new_crtc_state->active_changed || - new_crtc_state->connectors_changed) - return true; + new_crtc_state->connectors_changed) { + DRM_DEBUG_DRIVER("%s:%d MST_DSC dsc recompte required." + "stream 0x%p in new dc_state\n", + __func__, __LINE__, stream); + is_dsc_need_re_compute = true; + goto out; + } } } - if (new_stream_on_link_num == 0) - return false; + if (new_stream_on_link_num == 0) { + DRM_DEBUG_DRIVER("%s:%d MST_DSC no mode change request for streams in new dc_state\n", + __func__, __LINE__); + is_dsc_need_re_compute = false; + goto out; + } + + DRM_DEBUG_DRIVER("%s: MST_DSC check on %d streams in current dc_state\n", + __func__, dc->current_state->stream_count); /* check current_state if there stream on link but it is not in * new request state @@ -1309,11 +1365,18 @@ static bool is_dsc_need_re_compute( if (j == new_stream_on_link_num) { /* not in new state */ + DRM_DEBUG_DRIVER("%s:%d MST_DSC dsc recompute required." + "stream 0x%p in current dc_state but not in new dc_state\n", + __func__, __LINE__, stream); is_dsc_need_re_compute = true; break; } } +out: + DRM_DEBUG_DRIVER("%s: MST_DSC dsc recompute %s\n", + __func__, is_dsc_need_re_compute ? "required" : "not required"); + return is_dsc_need_re_compute; } @@ -1342,6 +1405,9 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; + DRM_DEBUG_DRIVER("%s: MST_DSC compute mst dsc configs for stream 0x%p, aconnector 0x%p\n", + __func__, stream, aconnector); + if (!aconnector || !aconnector->dc_sink || !aconnector->mst_output_port) continue; @@ -1374,8 +1440,11 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, stream = dc_state->streams[i]; if (stream->timing.flags.DSC == 1) - if (dc_stream_add_dsc_to_resource(stream->ctx->dc, dc_state, stream) != DC_OK) + if (dc_stream_add_dsc_to_resource(stream->ctx->dc, dc_state, stream) != DC_OK) { + DRM_DEBUG_DRIVER("%s:%d MST_DSC Failed to request dsc hw resource for stream 0x%p\n", + __func__, __LINE__, stream); return -EINVAL; + } } return ret; @@ -1404,6 +1473,9 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; + DRM_DEBUG_DRIVER("MST_DSC pre compute mst dsc configs for #%d stream 0x%p, aconnector 0x%p\n", + i, stream, aconnector); + if (!aconnector || !aconnector->dc_sink || !aconnector->mst_output_port) continue; @@ -1493,12 +1565,12 @@ int pre_validate_dsc(struct drm_atomic_state *state, int ret = 0; if (!is_dsc_precompute_needed(state)) { - DRM_INFO_ONCE("DSC precompute is not needed.\n"); + DRM_INFO_ONCE("%s:%d MST_DSC dsc precompute is not needed\n", __func__, __LINE__); return 0; } ret = dm_atomic_get_state(state, dm_state_ptr); if (ret != 0) { - DRM_INFO_ONCE("dm_atomic_get_state() failed\n"); + DRM_INFO_ONCE("%s:%d MST_DSC dm_atomic_get_state() failed\n", __func__, __LINE__); return ret; } dm_state = *dm_state_ptr; @@ -1552,7 +1624,8 @@ int pre_validate_dsc(struct drm_atomic_state *state, ret = pre_compute_mst_dsc_configs_for_state(state, local_dc_state, vars); if (ret != 0) { - DRM_INFO_ONCE("pre_compute_mst_dsc_configs_for_state() failed\n"); + DRM_INFO_ONCE("%s:%d MST_DSC dsc pre_compute_mst_dsc_configs_for_state() failed\n", + __func__, __LINE__); ret = -EINVAL; goto clean_exit; } @@ -1566,12 +1639,15 @@ int pre_validate_dsc(struct drm_atomic_state *state, if (local_dc_state->streams[i] && dc_is_timing_changed(stream, local_dc_state->streams[i])) { - DRM_INFO_ONCE("crtc[%d] needs mode_changed\n", i); + DRM_INFO_ONCE("%s:%d MST_DSC crtc[%d] needs mode_change\n", __func__, __LINE__, i); } else { int ind = find_crtc_index_in_state_by_stream(state, stream); - if (ind >= 0) + if (ind >= 0) { + DRM_INFO_ONCE("%s:%d MST_DSC no mode changed for stream 0x%p\n", + __func__, __LINE__, stream); state->crtcs[ind].new_state->mode_changed = 0; + } } } clean_exit: @@ -1696,7 +1772,7 @@ enum dc_status dm_dp_mst_is_port_support_mode( end_to_end_bw_in_kbps = min(root_link_bw_in_kbps, virtual_channel_bw_in_kbps); if (stream_kbps <= end_to_end_bw_in_kbps) { - DRM_DEBUG_DRIVER("No DSC needed. End-to-end bw sufficient."); + DRM_DEBUG_DRIVER("MST_DSC no dsc required. End-to-end bw sufficient\n"); return DC_OK; } @@ -1709,7 +1785,8 @@ enum dc_status dm_dp_mst_is_port_support_mode( /*capable of dsc passthough. dsc bitstream along the entire path*/ if (aconnector->mst_output_port->passthrough_aux) { if (bw_range.min_kbps > end_to_end_bw_in_kbps) { - DRM_DEBUG_DRIVER("DSC passthrough. Max dsc compression can't fit into end-to-end bw\n"); + DRM_DEBUG_DRIVER("MST_DSC dsc passthrough and decode at endpoint" + "Max dsc compression bw can't fit into end-to-end bw\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } } else { @@ -1720,7 +1797,8 @@ enum dc_status dm_dp_mst_is_port_support_mode( /*Get last DP link BW capability*/ if (dp_get_link_current_set_bw(&aconnector->mst_output_port->aux, &end_link_bw)) { if (stream_kbps > end_link_bw) { - DRM_DEBUG_DRIVER("DSC decode at last link. Mode required bw can't fit into available bw\n"); + DRM_DEBUG_DRIVER("MST_DSC dsc decode at last link." + "Mode required bw can't fit into last link\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } } @@ -1733,7 +1811,8 @@ enum dc_status dm_dp_mst_is_port_support_mode( virtual_channel_bw_in_kbps = kbps_from_pbn(immediate_upstream_port->full_pbn); virtual_channel_bw_in_kbps = min(root_link_bw_in_kbps, virtual_channel_bw_in_kbps); if (bw_range.min_kbps > virtual_channel_bw_in_kbps) { - DRM_DEBUG_DRIVER("DSC decode at last link. Max dsc compression can't fit into MST available bw\n"); + DRM_DEBUG_DRIVER("MST_DSC dsc decode at last link." + "Max dsc compression can't fit into MST available bw\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } } @@ -1750,9 +1829,9 @@ enum dc_status dm_dp_mst_is_port_support_mode( dc_link_get_highest_encoding_format(stream->link), &stream->timing.dsc_cfg)) { stream->timing.flags.DSC = 1; - DRM_DEBUG_DRIVER("Require dsc and dsc config found\n"); + DRM_DEBUG_DRIVER("MST_DSC require dsc and dsc config found\n"); } else { - DRM_DEBUG_DRIVER("Require dsc but can't find appropriate dsc config\n"); + DRM_DEBUG_DRIVER("MST_DSC require dsc but can't find appropriate dsc config\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } @@ -1774,11 +1853,11 @@ enum dc_status dm_dp_mst_is_port_support_mode( if (branch_max_throughput_mps != 0 && ((stream->timing.pix_clk_100hz / 10) > branch_max_throughput_mps * 1000)) { - DRM_DEBUG_DRIVER("DSC is required but max throughput mps fails"); + DRM_DEBUG_DRIVER("MST_DSC require dsc but max throughput mps fails\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } } else { - DRM_DEBUG_DRIVER("DSC is required but can't find common dsc config."); + DRM_DEBUG_DRIVER("MST_DSC require dsc but can't find common dsc config\n"); return DC_FAIL_BANDWIDTH_VALIDATE; } #endif -- 2.34.1
