From nobody Sat Feb 7 21:15:48 2026 Received: from mout.web.de (mout.web.de [212.227.15.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D5ED229405; Sun, 1 Feb 2026 00:24:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769905502; cv=none; b=lZxKoIlv3NVZAUmX1BvCbBrqcR919A+f49A5ZjyX9X7FmWpEPSmd2VjrbE4/wnHTJA54GQg1s5vc1QQ6Hfv5Vxlm4h164xfr8v4uQDBqDgDtGdi5gUBO+fb40MrbtcTuOJ41b+wvvgYNBgyRkIJpQVdxhFk4E042kQRxLX98kWs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769905502; c=relaxed/simple; bh=Ukx8E4ed/zAeFj5RT6QwKqbf1wBp9lsIBteVROFMYf8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; 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MIME-Version:Content-Transfer-Encoding:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=PGe7Hp1GevPsp2/Z8bflGiozAauHpcEQiPvWgNDGJUpVZSNKFE73ED+yr3sON+wj 77l16Xnhto4USvqqhvGfubdWRiEKd40vtReQziuSqejiNx45FS621vBE7WU4TfbDS Ywl8X5P8ylLcH8tqRHYV73mtDkpIvbltFfXjGXiB6OTgUE33WRY8bkhMiTF7yC9Th i5Bqu5Hv7VLInANdavZ4T9q2agXIyVqUxUPjgY0ucc4TTmlei3XSuH/zrJcMuGXci K+yHQaAsBbBQLWryMAH5YnpS4Yrc153F/eMyhbm6da63ae+QoA/OHx5MWeOdPDK0C d4yCn4nw6ck67C9ckA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from localhost.localdomain ([95.223.134.88]) by smtp.web.de (mrweb006 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MpU1w-1w4uNR1TYK-00be1z; Sun, 01 Feb 2026 01:24:49 +0100 From: Bert Karwatzki To: linux-kernel@vger.kernel.org Cc: Bert Karwatzki , linux-next@vger.kernel.org, amd-gfx@lists.freedesktop.org, Alex Deucher , Mario Limonciello , =?UTF-8?q?Christian=20K=C3=B6nig?= Subject: [PATCH] Revert "drm/amd: Check if ASPM is enabled from PCIe subsystem" Date: Sun, 1 Feb 2026 01:24:45 +0100 Message-ID: <20260201002446.1293486-1-spasswolf@web.de> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:sn8qE80Gv/XGh35Mtij6Yfr923Y6MWZEmL1cr19ydeNwDae6HlA V0tlzMngsUmFXyhX2FNRjuqmMPMPAbMHAeNk59JNFJIMmzD0UHnt2RKSY7CkJyv0WojkPgu ACDGq7mX547b1BhyVq2qyTukH8tZnCMWs3ywN3LWkJE3cNdiqNjGuxESaI0gOjO+SK5kZwy UHOoGXfChalPBAK1udsEg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:qm+Fr8jbReU=;hSO66Ijx9/ojW8PGhEsw5tno1gd cpS0MdA9SCT535LVbxQoFltDvLWXx3Vq9JTod3T/WFZbirWCuIm3rrsQMlcG3b5VYehA9Ye32 S2HfAc3A3Qy0BOr3l1gw2J3Mt44kIVIOR0whw04lx/zXCIXxKbwBlnfMyZDHo6cSGPxJsEPny ioLbv3GsDdmoqcaqjTk88sc/42XGbW0TTHscww+yFuq5F7FtHKu/qJuE2TYXArFlE1gBxfbDy uoaxGezlkokZ5gavukkiEHx3jg3oxw+lRhhww5aFUmf/C8LZOO/6Hga3MDDWDhHS2Mdn6Pg8/ 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f1MOC6z8fCcEp4OmtfLz3tGkmTr5/pelQt5S03B2WQrCowZRPc+ngXW1Hr5ax2iEQzCUnQttR P9jjWb4vmcUO22mMHqsXTYhBZypGtP1gbYHYw0PdfQu6hplp3Mdmo8GWGGj2QPeHn1qynrYZN FFbPqSRLOYT9f0dzpvxTPK2Zss5BD5LHySwlHlItj+nqevdyLRkULE3qoNS+HUWYGGK6Dq8A5 vQnJ8HwlzQwwB1oBy5FgpXhMNyiFfyLQESsELNgd5xeYpwiMtVQ== Content-Type: text/plain; charset="utf-8" This reverts commit 7294863a6f01248d72b61d38478978d638641bee. This commit was erroneously applied again after commit 0ab5d711ec74=20 ("drm/amd: Refactor `amdgpu_aspm` to be evaluated per device") removed it, leading to very hard to debug crashes, when used with a system = with two AMD GPUs of which only one supports ASPM. Link: https://lore.kernel.org/linux-acpi/20251006120944.7880-1-spasswolf@we= b.de/ Link: https://github.com/acpica/acpica/issues/1060 Fixes: 0ab5d711ec74 ("drm/amd: Refactor `amdgpu_aspm` to be evaluated per d= evice") Signed-off-by: Bert Karwatzki Reviewed-by: Christian K=C3=B6nig Reviewed-by: Mario Limonciello (AMD) --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/= amdgpu/amdgpu_drv.c index d6d0a6e34c6b..95d26f086d54 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2405,9 +2405,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, return -ENODEV; } =20 - if (amdgpu_aspm =3D=3D -1 && !pcie_aspm_enabled(pdev)) - amdgpu_aspm =3D 0; - if (amdgpu_virtual_display || amdgpu_device_asic_has_dc_support(pdev, flags & AMD_ASIC_MASK)) supports_atomic =3D true; --=20 2.47.3