From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E8CBC77B75 for ; Tue, 18 Apr 2023 12:47:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232038AbjDRMry (ORCPT ); Tue, 18 Apr 2023 08:47:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232051AbjDRMrt (ORCPT ); Tue, 18 Apr 2023 08:47:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC82C1CF86 for ; Tue, 18 Apr 2023 05:47:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5795462875 for ; Tue, 18 Apr 2023 12:47:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B7D3C433AA; Tue, 18 Apr 2023 12:47:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681822066; bh=8sb2Wy+tm6fkbGioQL/zhQrwbOwJbe8jjWAoDa8Jwks=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jHW1AaTZplUO1GgmtOmtPM0z1T5v7u4JliN5onp9ZbKb7KNH3koofxnZuD5bpRwNI ohS8YOvn5Hqd4SEJ6o3ibOGrN6GfgH37Moyhk8ntz2IVTTl7LZaQEDRCrHPPmdUNNJ Eep4Hul/0/r2Ar4ouHZ4qvULYDPDD7ZZFLaGRMZ8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jerry Zuo , Qingqing Zhuo , Wayne Lin , Daniel Wheeler , Alex Deucher , Mario Limonciello , Veronika Schwan Subject: [PATCH 6.2 002/139] drm/amd/display: Pass the right info to drm_dp_remove_payload Date: Tue, 18 Apr 2023 14:21:07 +0200 Message-Id: <20230418120313.812326593@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.725598495@linuxfoundation.org> References: <20230418120313.725598495@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wayne Lin commit b8ca445f550a9a079134f836466ddda3bfad6108 upstream. [Why & How] drm_dp_remove_payload() interface was changed. Correct amdgpu dm code to pass the right parameter to the drm helper function. Reviewed-by: Jerry Zuo Acked-by: Qingqing Zhuo Signed-off-by: Wayne Lin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher (cherry-picked from b8ca445f550a9a079134f836466ddda3bfad6108) [Hand modified due to missing f0127cb11299df80df45583b216e13f27c408545 which failed to apply due to missing 94dfeaa46925bb6b4d43645bbb6234e846dec257] Reported-and-tested-by: Veronika Schwan Fixes: d7b5638bd337 ("drm/amd/display: Take FEC Overhead into Timeslot Calculation") Signed-off-by: Mario Limonciello Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 57 ++++++++++++-- 1 file changed, 50 insertions(+), 7 deletions(-) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -175,6 +175,40 @@ void dm_helpers_dp_update_branch_info( const struct dc_link *link) {} +static void dm_helpers_construct_old_payload( + struct dc_link *link, + int pbn_per_slot, + struct drm_dp_mst_atomic_payload *new_payload, + struct drm_dp_mst_atomic_payload *old_payload) +{ + struct link_mst_stream_allocation_table current_link_table = + link->mst_stream_alloc_table; + struct link_mst_stream_allocation *dc_alloc; + int i; + + *old_payload = *new_payload; + + /* Set correct time_slots/PBN of old payload. + * other fields (delete & dsc_enabled) in + * struct drm_dp_mst_atomic_payload are don't care fields + * while calling drm_dp_remove_payload() + */ + for (i = 0; i < current_link_table.stream_count; i++) { + dc_alloc = + ¤t_link_table.stream_allocations[i]; + + if (dc_alloc->vcp_id == new_payload->vcpi) { + old_payload->time_slots = dc_alloc->slot_count; + old_payload->pbn = dc_alloc->slot_count * pbn_per_slot; + break; + } + } + + /* make sure there is an old payload*/ + ASSERT(i != current_link_table.stream_count); + +} + /* * Writes payload allocation table in immediate downstream device. */ @@ -186,7 +220,7 @@ bool dm_helpers_dp_mst_write_payload_all { struct amdgpu_dm_connector *aconnector; struct drm_dp_mst_topology_state *mst_state; - struct drm_dp_mst_atomic_payload *payload; + struct drm_dp_mst_atomic_payload *target_payload, *new_payload, old_payload; struct drm_dp_mst_topology_mgr *mst_mgr; aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; @@ -202,17 +236,26 @@ bool dm_helpers_dp_mst_write_payload_all mst_state = to_drm_dp_mst_topology_state(mst_mgr->base.state); /* It's OK for this to fail */ - payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->port); - if (enable) - drm_dp_add_payload_part1(mst_mgr, mst_state, payload); - else - drm_dp_remove_payload(mst_mgr, mst_state, payload, payload); + new_payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->port); + + if (enable) { + target_payload = new_payload; + + drm_dp_add_payload_part1(mst_mgr, mst_state, new_payload); + } else { + /* construct old payload by VCPI*/ + dm_helpers_construct_old_payload(stream->link, mst_state->pbn_div, + new_payload, &old_payload); + target_payload = &old_payload; + + drm_dp_remove_payload(mst_mgr, mst_state, &old_payload, new_payload); + } /* mst_mgr->->payloads are VC payload notify MST branch using DPCD or * AUX message. The sequence is slot 1-63 allocated sequence for each * stream. AMD ASIC stream slot allocation should follow the same * sequence. copy DRM MST allocation to dc */ - fill_dc_mst_payload_table_from_drm(stream->link, enable, payload, proposed_table); + fill_dc_mst_payload_table_from_drm(stream->link, enable, target_payload, proposed_table); return true; }