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 CBC2110FCACA for ; Wed, 1 Apr 2026 18:19:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DC79F10EE94; Wed, 1 Apr 2026 18:19:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="OT3D0SLK"; dkim-atps=neutral Received: from mail-dl1-f47.google.com (mail-dl1-f47.google.com [74.125.82.47]) by gabe.freedesktop.org (Postfix) with ESMTPS id 93CEF10EBBD for ; Wed, 1 Apr 2026 00:39:45 +0000 (UTC) Received: by mail-dl1-f47.google.com with SMTP id a92af1059eb24-12a695044a4so1791080c88.0 for ; Tue, 31 Mar 2026 17:39:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775003985; x=1775608785; 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=xynl6l4IZX6SF8kreSc2FtsN0XosoMomLgf109DsfAw=; b=OT3D0SLKkXPOMrQgUpMzdJaPKvOJCjSzDGyGC1ljU9U8Y76CHdEsQl4nNKc2O/+F/E G2hZwax5yUGaqGhs6XbxKGZRTOR0+PRPoAlVJX1ecnkjsF19+SQRWbyzlXv44eKRSdJd H4hK4m9tXOJSZAWLn0XjE1E1J4mhTMs07aIu88ayOeBU/D4WUXFTW7HpZErftSgDOu2p KoHjG1kVe8Tn881izR5khHQBTO1OmAPdgy4mUr5a9wxrxdR8Ay2yJZb7Up4c9D+XSTAe tgpCxDHsBlSQQk0rT3tzLKOCOmpArgNghb6DBfcT8fqJ8d+Xbfg2Z9kK8Aylmp75y0k6 QXmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775003985; x=1775608785; 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=xynl6l4IZX6SF8kreSc2FtsN0XosoMomLgf109DsfAw=; b=BPi9DsWl6+jZMbj9DVK/10JZUBeMeequw4Di6unNsmRPOUPtM/GsG44MOElPEQr0NT adilvAI2i3C2fLxOM76/8sncAUjq1Q0bHpCIs/+GJmN+yO2MGkY9tPn5JZKTjw4a4Dfs qQDTWEyM70RY30jmpTrECLMhV2DQES9Qv3YrX/896VMlPQP6hjOcI8/SdpNZxMO09Vmo e7Y32xH0XNe0U/xurOiV5Wj5Hd2BkfddUXRq/0z9XJoxxzz+LjJz+AOTXsZWFYJjwQd6 9umPN5zLezBccf+Yo/q6kZnJivqe32HEC0+lwuhYXm+vYSP0Zb4+esUYeSHRSmPT34Qo HvCQ== X-Forwarded-Encrypted: i=1; AJvYcCWTQ78E5nTf63KgzhuzgNgTMu1y3vyQkhlW2GXJISvbrlcLtCi3JnnqwZmFCA6LwFHdNi89jqd3@lists.freedesktop.org X-Gm-Message-State: AOJu0YxwwruA9E/dbLGRDSyBFYzEEtGBCzM1aOzWrcn8VyDQv3yhngkc flewGrYoh/mPVHRQMXTzLffZuJRVZN9CLX6ErxqiWu+e9oBzG/aBZxAW X-Gm-Gg: ATEYQzy1jqJ5m4x7ud/l2RlUQQgdtOJPTxauf/klC6zhpcJvY0+n0kB1DvcLor0e8iI /VACBIzPK6KstSHBhaFe4NjnRKm+qKdMQiVYC7Xg7Qmk5LbyV8dO5d5q56yKJm2+k7ZxVXp6wrM tZe0O2T71ONO0o5rUGA23DMasvpSo341Xy/TupzKGIkbhLVdlZXt1KMfrBI0v8c7rRC/RwCMloc ajouJVIeJpjHX9F3pKGzN4zrJ/7R4CFOycbgSVhaSPN+Wb3pZ43NMn1WC8WSMnvPybTjPeVveDF aYMgjtusF4CFN0YgNGQeG1QSqZHWRbee0WdndOktYzLym8XqKnLpeY2SxqmyCZbcba6dJ52Qbcz ula4nwste21Ef5MSrWCU2Ri+5qPdo00FQbWDuCyYu6Ws56JzPu6ve0GdgTKgJvijHn/pMzyUtkh Nb1WHMqrp8cP6embTu2bEoRvsHhkRlXqgGVxvyHSYK4oH5c8sEy0KYSso= X-Received: by 2002:a05:7022:68a5:b0:128:bc19:813d with SMTP id a92af1059eb24-12be65537f5mr896596c88.27.1775003984637; Tue, 31 Mar 2026 17:39:44 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d::8bd]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c3c3bd9894sm11543019eec.4.2026.03.31.17.39.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2026 17:39:44 -0700 (PDT) From: Rosen Penev To: stable@vger.kernel.org Cc: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xinhui Pan , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Ray Wu , Wayne Lin , Mario Limonciello , Roman Li , Eric Yang , Tony Cheng , Mauro Rossi , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Alex Hung , amd-gfx@lists.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 for 6.12 09/10] drm/amd: Disable ASPM on SI Date: Tue, 31 Mar 2026 17:39:07 -0700 Message-ID: <20260401003908.3438-10-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260401003908.3438-1-rosenp@gmail.com> References: <20260401003908.3438-1-rosenp@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 01 Apr 2026 18:19:20 +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" From: Timur Kristóf [ Upstream commit 7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55 ] Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4. It's unclear if this is a platform-specific or GPU-specific issue. Disable ASPM on SI for the time being. Reviewed-by: Alex Deucher Signed-off-by: Timur Kristóf Signed-off-by: Alex Deucher Signed-off-by: Rosen Penev --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index eb3c6bfe2e6c..12d7e45a4245 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1761,6 +1761,13 @@ static bool amdgpu_device_pcie_dynamic_switching_supported(struct amdgpu_device static bool amdgpu_device_aspm_support_quirk(struct amdgpu_device *adev) { + /* Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4. + * It's unclear if this is a platform-specific or GPU-specific issue. + * Disable ASPM on SI for the time being. + */ + if (adev->family == AMDGPU_FAMILY_SI) + return true; + #if IS_ENABLED(CONFIG_X86) struct cpuinfo_x86 *c = &cpu_data(0); -- 2.53.0