From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 24280355F30; Wed, 8 Apr 2026 18:49:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775674170; cv=none; b=N1+8tdD1PyLEgQ1jEM6J2eRWTCGZvyRIV8S0+EhYNxcz29WoM8K86EvWBxZ4f9hIa1HRq97LZMVpcAYYXWhN0OxFL81DBKE6k7nRvAuRHrM62crDrpJxorzZG+htzh+CBs1WNXC/ejARtyTgVVxKeIeS1BxhNXAi576ZJaLrw18= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775674170; c=relaxed/simple; bh=YzfXmmprFyZkNxb46lGbXwrvljm7HpwJi6W9k38C9os=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Uze22DQ+TjlkYTl0+Squ6auvcV7ZZIcsBqH0kx5WXp8Ot86FE+dLuisSNofx4b6ZxeOt9tdAcqBGEeaf3IF6mLQ1rf5wGq5FebJHc82od7onhQOA/IKXnczt+tMMyHtLCnT0f4DQVEizoyBvvY/+FZSTXnqe+GVx8Pjeqhfyjao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qY6LYIDa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qY6LYIDa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEF97C19421; Wed, 8 Apr 2026 18:49:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1775674170; bh=YzfXmmprFyZkNxb46lGbXwrvljm7HpwJi6W9k38C9os=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qY6LYIDa7BQZQYb1Uzz4q+XHH/5b+/l9vSxJHPDTr1T3/JoLUb7t/+PE7MkoVQt1D 2Pl6zeiGm6zI+MdFOIoB0li5S1pvPWx8kXfNKENN0Q3RXoytAu4pTzPJG/inuh7w3o IcJ3MjUpiD7uKTAEoDPUSSP/jOFWB1oMCp2EHdvU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Deucher , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Rosen Penev Subject: [PATCH 6.12 235/242] drm/amd: Disable ASPM on SI Date: Wed, 8 Apr 2026 20:04:35 +0200 Message-ID: <20260408175935.898813542@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260408175927.064985309@linuxfoundation.org> References: <20260408175927.064985309@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ 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 Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++++++ 1 file changed, 7 insertions(+) --- 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_s 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);