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 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 C927FE98E06 for ; Mon, 23 Feb 2026 08:29:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3A77E10E289; Mon, 23 Feb 2026 08:29:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="M4gOzhY8"; dkim-atps=neutral Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) by gabe.freedesktop.org (Postfix) with ESMTPS id B10DF10E10C for ; Sat, 21 Feb 2026 03:44:22 +0000 (UTC) Received: by mail-pf1-f176.google.com with SMTP id d2e1a72fcca58-824a3ba5222so1467697b3a.2 for ; Fri, 20 Feb 2026 19:44:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1771645462; x=1772250262; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=rJmFbB3FwMiKYWU/wDkbhYitxVoyIrAuDm/JRU1AydA=; b=M4gOzhY8tkMZlqCVXTcNV7sElzvpS36HLc4HSFSeH7zC1tm4pqmYFIuVNLx5e+KCvZ 4JCGTU43y9sEmj0wl5Vzq8nL0IcEr/9ifzYMdJiTfPeFgrHETHQuP3ybVwrALXKBfcqk hXLwLCQJVPJ1heuqH4nQCZ7LkBK28brpF8vncgbWjQezw0rPHJzqhjnThS8i1bVDloxO WqYS0Pms0Tu2+pxqUw4aJBlYAZF2rwKGPmpXTJ+udhfmBVP1cYqnAPAACfVnurXZUYTE BIeM9/+uPCb/vG2SdCnOoSYW2PaOPs6oJvyIlOBRSIetQSV1fu3gfTROmU01Dam+x7bs XH+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771645462; x=1772250262; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=rJmFbB3FwMiKYWU/wDkbhYitxVoyIrAuDm/JRU1AydA=; b=ffwBF8DJJ8AKzRaZrXd/OyyWqxYL6N29v/2rQ5BYA3zDz9xZ9UHbzj1Chmy3doGb7b VEY7XN7HSUCiPqMuuJvA7toyk9qhm1u8Lvw5GCTkdfgyMtPqBZO6MZtabSS6VtDd2Wag QUelsYymZid+oktHtdbGggtzZzi3u8Y3F1xpZmEb8UmDFU+uAVariDj8KY1qI9BRbW1u eXRxqer/1C8FuOPFcTP/jmStVknbPjxnuJP0gm/VjB0F4kv5v57qNI8aTMnZ+keSBfAj M2j6Os8JNhcSAgUEjr9QG+BOPLU+wqUvnNQ8QyLUIQ63etEZRdObTcmsj06QFwtDhf+9 rtUg== X-Forwarded-Encrypted: i=1; AJvYcCVePFgzTEdA5CNCuw+PVqqmqKXdMCAIloXkKbHgHIc3hINtlOX2HfuzHGj3lWWg8i9LlIGj6tQr@lists.freedesktop.org X-Gm-Message-State: AOJu0Yw4ObkYSJo1g0+fAVgQskl8fi+fnKZvUwLNhg7cnULoKwOWFQVH 2nYG2Sdsu0TwiwtN8hme8OzoLuXort6XKGhW0w4PJQxoXrxhGyICZ0ze X-Gm-Gg: AZuq6aK6sHCkQmDOuagfNEcalw93/BD8PmwUcTq9Rnb/p0ibRs5/TsVclvCoNWOtrjx lbGvK58EFqskdZZdcnyVjawfV/Cq4ebWee9qqbvmo6qnU5GC/T9U4j5uWqzY8pITMvYQJSeX9ZN ucSYPFka9K/K3I15ZjZPJoG8ymFrtrMJSpKYcBpIAYasNndVastj6DJuQCVbs80SofV2mp2n6FX omtuYO/lnW8QDaRIkc1U+oO96y3JjypC+yQXRhxSDJY3oT5/HOZWcIgz0Ygjrnj0psfG5aJIN3k GsO5w8zJswA3WKH/TfteklQp/d2iEZX2bHnGcKOzX64ahAUmjPw53zDIbXzIFZ4VqNMQXr4nR82 0zjCNymHN7k4UE6Suvc7BirPhV1qiRF6FoX0jQCetE1skB/VQIoCgbKxdMGxXKZBwbCrN X-Received: by 2002:a05:6a00:430c:b0:822:682d:2c5f with SMTP id d2e1a72fcca58-826da948eddmr1927546b3a.28.1771645462263; Fri, 20 Feb 2026 19:44:22 -0800 (PST) Received: from ryzen ([2601:644:8000:56f5::8bd]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-826dd8ba11bsm714951b3a.50.2026.02.20.19.44.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Feb 2026 19:44:21 -0800 (PST) From: Rosen Penev To: stable@vger.kernel.org Cc: Kenneth Feng , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xinhui Pan , David Airlie , Simona Vetter , amd-gfx@lists.freedesktop.org (open list:AMD POWERPLAY AND SWSMU), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/2] Revert "drm/amd/pm: Disable MCLK switching on SI at high pixel clocks" Date: Fri, 20 Feb 2026 19:44:01 -0800 Message-ID: <20260221034402.69537-2-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260221034402.69537-1-rosenp@gmail.com> References: <20260221034402.69537-1-rosenp@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Mon, 23 Feb 2026 08:29:05 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This reverts commit d033e8cf4e8f6395102cdbc3cb00dc7cb9542f53. Cc: Timur Kristóf Cc: Alex Deucher Signed-off-by: Rosen Penev --- drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c index 29cecfab0704..05eaa06dfa34 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c @@ -3486,11 +3486,6 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev, * for these GPUs to calculate bandwidth requirements. */ if (high_pixelclock_count) { - /* Work around flickering lines at the bottom edge - * of the screen when using a single 4K 60Hz monitor. - */ - disable_mclk_switching = true; - /* On Oland, we observe some flickering when two 4K 60Hz * displays are connected, possibly because voltage is too low. * Raise the voltage by requiring a higher SCLK. -- 2.53.0