From patchwork Tue Jun 7 19:06:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 12872274 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D5F3CCA47C for ; Tue, 7 Jun 2022 19:11:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6996E10F105; Tue, 7 Jun 2022 19:11:24 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id D676D10F152 for ; Tue, 7 Jun 2022 19:11:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1654629082; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=x0L+WDYL2ErSdyIk/wXgdKER6Al4H5aQXP9OvHKSvcc=; b=b9iporWIpBSTk8rlrIUd2y+y9yVBwSNvSu23aIGF39NR8YbN3tU7HuR/g7QQjWr/9iLqYu n89axuo08hcjef2HBWSrRcjhuYLnHtvLcK3A2ArMUDmywTvIc1/7OkiGxWzEN210WtJZrC 0mSLUxtJ+tGb6r49Btb34Waj3bE1+YU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-616-MIxpZrunMi6TN_cVveYaAQ-1; Tue, 07 Jun 2022 15:11:16 -0400 X-MC-Unique: MIxpZrunMi6TN_cVveYaAQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AE1183816860; Tue, 7 Jun 2022 19:08:34 +0000 (UTC) Received: from emerald.redhat.com (unknown [10.22.9.252]) by smtp.corp.redhat.com (Postfix) with ESMTP id 870224126336; Tue, 7 Jun 2022 19:07:48 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, amd-gfx@lists.freedesktop.org Subject: [RFC 01/18] drm/amdgpu/dc/mst: Rename dp_mst_stream_allocation(_table) Date: Tue, 7 Jun 2022 15:06:58 -0400 Message-Id: <20220607190715.1331124-2-lyude@redhat.com> In-Reply-To: <20220607190715.1331124-1-lyude@redhat.com> References: <20220607190715.1331124-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ian Chen , David Airlie , Wenjing Liu , open list , Meenakshikumar Somasundaram , Jun Lei , Jimmy Kizito , Rodrigo Siqueira , Alex Hung , Fangzhi Zuo , Michael Strauss , "Shen, George" , Leo Li , jinzh , "Leo \(Hanghong\) Ma" , Bhawanpreet Lakha , Eric Yang , "Pan, Xinhui" , Roman Li , =?utf-8?q?Christian_K=C3=B6nig?= , Claudio Suarez , Wayne Lin , Alex Deucher , Colin Ian King , Nicholas Kazlauskas Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Just to make this more clear to outside contributors that these are DC-specific structs, as this also threw me into a loop a number of times before I figured out the purpose of this. Signed-off-by: Lyude Paul Cc: Wayne Lin Cc: Fangzhi Zuo --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 9 ++++----- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 10 +++++----- drivers/gpu/drm/amd/display/dc/dm_helpers.h | 4 ++-- .../gpu/drm/amd/display/include/link_service_types.h | 11 ++++++++--- 4 files changed, 19 insertions(+), 15 deletions(-) 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 7c799ddc1d27..1bd70d306c22 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 @@ -153,9 +153,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps( return result; } -static void get_payload_table( - struct amdgpu_dm_connector *aconnector, - struct dp_mst_stream_allocation_table *proposed_table) +static void get_payload_table(struct amdgpu_dm_connector *aconnector, + struct dc_dp_mst_stream_allocation_table *proposed_table) { int i; struct drm_dp_mst_topology_mgr *mst_mgr = @@ -177,7 +176,7 @@ static void get_payload_table( mst_mgr->payloads[i].payload_state == DP_PAYLOAD_REMOTE) { - struct dp_mst_stream_allocation *sa = + struct dc_dp_mst_stream_allocation *sa = &proposed_table->stream_allocations[ proposed_table->stream_count]; @@ -201,7 +200,7 @@ void dm_helpers_dp_update_branch_info( bool dm_helpers_dp_mst_write_payload_allocation_table( struct dc_context *ctx, const struct dc_stream_state *stream, - struct dp_mst_stream_allocation_table *proposed_table, + struct dc_dp_mst_stream_allocation_table *proposed_table, bool enable) { struct amdgpu_dm_connector *aconnector; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index a789ea8af27f..db0f5158a0c2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -3424,7 +3424,7 @@ static void update_mst_stream_alloc_table( struct dc_link *link, struct stream_encoder *stream_enc, struct hpo_dp_stream_encoder *hpo_dp_stream_enc, // TODO: Rename stream_enc to dio_stream_enc? - const struct dp_mst_stream_allocation_table *proposed_table) + const struct dc_dp_mst_stream_allocation_table *proposed_table) { struct link_mst_stream_allocation work_table[MAX_CONTROLLER_NUM] = { 0 }; struct link_mst_stream_allocation *dc_alloc; @@ -3586,7 +3586,7 @@ enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx) { struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->link; - struct dp_mst_stream_allocation_table proposed_table = {0}; + struct dc_dp_mst_stream_allocation_table proposed_table = {0}; struct fixed31_32 avg_time_slots_per_mtp; struct fixed31_32 pbn; struct fixed31_32 pbn_per_slot; @@ -3691,7 +3691,7 @@ enum dc_status dc_link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw struct fixed31_32 avg_time_slots_per_mtp; struct fixed31_32 pbn; struct fixed31_32 pbn_per_slot; - struct dp_mst_stream_allocation_table proposed_table = {0}; + struct dc_dp_mst_stream_allocation_table proposed_table = {0}; uint8_t i; enum act_return_status ret; const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); @@ -3779,7 +3779,7 @@ enum dc_status dc_link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t struct fixed31_32 pbn; struct fixed31_32 pbn_per_slot; struct link_encoder *link_encoder = link->link_enc; - struct dp_mst_stream_allocation_table proposed_table = {0}; + struct dc_dp_mst_stream_allocation_table proposed_table = {0}; uint8_t i; enum act_return_status ret; const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); @@ -3855,7 +3855,7 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx) { struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->link; - struct dp_mst_stream_allocation_table proposed_table = {0}; + struct dc_dp_mst_stream_allocation_table proposed_table = {0}; struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0); int i; bool mst_mode = (link->type == dc_connection_mst_branch); diff --git a/drivers/gpu/drm/amd/display/dc/dm_helpers.h b/drivers/gpu/drm/amd/display/dc/dm_helpers.h index fb6a2d7b6470..8173f4b80424 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h +++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h @@ -33,7 +33,7 @@ #include "dc_types.h" #include "dc.h" -struct dp_mst_stream_allocation_table; +struct dc_dp_mst_stream_allocation_table; struct aux_payload; enum aux_return_code_type; @@ -77,7 +77,7 @@ void dm_helpers_dp_update_branch_info( bool dm_helpers_dp_mst_write_payload_allocation_table( struct dc_context *ctx, const struct dc_stream_state *stream, - struct dp_mst_stream_allocation_table *proposed_table, + struct dc_dp_mst_stream_allocation_table *proposed_table, bool enable); /* diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h index 447a56286dd0..91bffc5bf52c 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -245,8 +245,13 @@ union dpcd_training_lane_set { }; +/* AMD's copy of various payload data for MST. We have two copies of the payload table (one in DRM, + * one in DC) since DRM's MST helpers can't be accessed here. This stream allocation table should + * _ONLY_ be filled out from DM and then passed to DC, do NOT use these for _any_ kind of atomic + * state calculations in DM, or you will break something. + */ /* DP MST stream allocation (payload bandwidth number) */ -struct dp_mst_stream_allocation { +struct dc_dp_mst_stream_allocation { uint8_t vcp_id; /* number of slots required for the DP stream in * transport packet */ @@ -254,11 +259,11 @@ struct dp_mst_stream_allocation { }; /* DP MST stream allocation table */ -struct dp_mst_stream_allocation_table { +struct dc_dp_mst_stream_allocation_table { /* number of DP video streams */ int stream_count; /* array of stream allocations */ - struct dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM]; + struct dc_dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM]; }; #endif /*__DAL_LINK_SERVICE_TYPES_H__*/