From nobody Wed Apr 15 23:30:24 2026 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 E9174C4332F for ; Tue, 22 Nov 2022 11:29:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232080AbiKVL3n (ORCPT ); Tue, 22 Nov 2022 06:29:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232728AbiKVL2u (ORCPT ); Tue, 22 Nov 2022 06:28:50 -0500 Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6EE5F09 for ; Tue, 22 Nov 2022 03:22:14 -0800 (PST) X-QQ-mid: bizesmtp72t1669116099txffgh0h Received: from localhost.localdomain ( [113.57.152.160]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 22 Nov 2022 19:21:37 +0800 (CST) X-QQ-SSF: 01400000000000E0R000000C0000000 X-QQ-FEAT: +ynUkgUhZJlLDq+nP6+uedbXvgas1IUa13PrtWgKs2DOViskOswrChYt+MFKv Pl7pXSgPAC9YYzk66eyueb4WltFQHvZSCvT3pmXv1se7I7PYRHHS2+1FKm7VBkBJICOOW8B kK3W9lrRUW/buANCKL1Wyp2c+1nEoipKiy6JgwdUq3RRSUWkt6Otm7FKIjn7koJ3WcNt5U1 HCfEsmgZBOHhvElsFR/C8Zo/QMfTfy3Tuj/xOWkzr1h7gtV6oVBaD9kndG5aPvZ5y+5HrWm +IB/Qsw+TMBz8rvwDV2InH89ZTSvxtWCalAOe4Gh6p8sl8iI1ql3AyD0jf9HTaHiiQ5H9jU 0cXEbZXTvvLg/v9KKHunEUcUQkl8vYnVIPxMovw9J360ql9NDpQpoyOBRfLR9AO/8hLpun8 K5v013a9cN8= X-QQ-GoodBg: 1 From: hongao To: harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, nicholas.kazlauskas@amd.com, aurabindo.pillai@amd.com, roman.li@amd.com, Jerry.Zuo@amd.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, hongao Subject: [PATCH] drm/amd/display: Fix set scaling doesn's work Date: Tue, 22 Nov 2022 19:20:34 +0800 Message-Id: <20221122112034.30080-1-hongao@uniontech.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybglogicsvr:qybglogicsvr6 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" [Why] Setting scaling does not correctly update CRTC state. As a result dc stream state's src (composition area) && dest (addressable area) was not calculated as expected. This causes set scaling doesn's work. [How] Correctly update CRTC state when setting scaling property. Signed-off-by: hongao diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gp= u/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 3e1ecca72430..a88a6f758748 100644 Reviewed-by: Harry Wentland --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9386,8 +9386,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *= dev, goto fail; } =20 - if (dm_old_con_state->abm_level !=3D - dm_new_con_state->abm_level) + if (dm_old_con_state->abm_level !=3D dm_new_con_state->abm_level || + dm_old_con_state->scaling !=3D dm_new_con_state->scaling) new_crtc_state->connectors_changed =3D true; } =20 --=20 2.20.1