From nobody Fri Dec 19 08:59:13 2025 Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) (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 64147145323 for ; Wed, 28 Aug 2024 11:01:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.207.19.206 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724842883; cv=none; b=sP4fs5uhHzIKTYFwuzhzE9LzaLhNv2ABg3a81M1uQjsOKkOTGplxVKXPjRNHZpeJUi9HmCXqHqDPZrXf9dvAYQd1TcFg7rhgIgCCkHz2uWZ9CYB0/WzdSHzLuGdcwWvoNEarblucFoBmgAtTcVwxC/6E2R1r43S/HB41t3gtMxA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724842883; c=relaxed/simple; bh=rzmiZVrXQkKZtxVklggiqlr/J1hXj64IidLZJbudYdw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=aN+TABNP336inc+F3sAHElMQOsZ/YjiRoinV4gWml3uniYKyvUlW4Gzt5tXFNIAA7DY5NCmDkiDptSTPFUsfb48iNRngxge9yrAyUvikWa8NF/3+VgRcbc/ifqmrumZBwbKO0J9fVotfRW1HZeArMmu7G/6C6fp4U0rekBmLKFg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com; spf=pass smtp.mailfrom=uniontech.com; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b=lVNoFK/K; arc=none smtp.client-ip=54.207.19.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=uniontech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b="lVNoFK/K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=uniontech.com; s=onoh2408; t=1724842836; bh=rGkv8vXTKQNNDjP5vTcEOnsxxSzEmVf10njH6gZtvbg=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=lVNoFK/KCHTP4ynQyOCcOeXrh08UYkTBcMhAivVVdOjFYiJ334pCccGHinCjXNboM 9Pxj6rUeCP2hBgPiJAnp28mD2IZBUVRNqlpqvmXjCprn9t2qqMMWNnvrpVHbVMBFHq 4YaDGGc02OLxeqQ9KdERcBKr7h0ksSuND7epbHXM= X-QQ-mid: bizesmtp88t1724842792tz70z34i X-QQ-Originating-IP: yURP3s+8jR7D8ND1Wq3RX+2ffkTw4oLhrct7u85Sa4c= Received: from localhost.localdomain ( [113.57.152.160]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 28 Aug 2024 18:59:49 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 1 X-BIZMAIL-ID: 8286794993761644341 From: WangYuli To: alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, lijo.lazar@amd.com, mario.limonciello@amd.com, le.ma@amd.com, Jun.Ma2@amd.com, hamza.mahfooz@amd.com, andrealmeid@igalia.com, wenlunpeng@uniontech.com, wangyuli@uniontech.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, guanwentao@uniontech.com, zhanjun@uniontech.com Subject: [PATCH] amdgpu: disable amdgpu_dpm on THTF-SW831-1W-DS25_MB board Date: Wed, 28 Aug 2024 18:59:38 +0800 Message-ID: <3EA7C2B9E8C4D00A+20240828105938.37674-1-wangyuli@uniontech.com> X-Mailer: git-send-email 2.43.4 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-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybglogicsvrgz:qybglogicsvrgz8a-1 Content-Type: text/plain; charset="utf-8" From: wenlunpeng The quirk is for reboot-stability. A device reboot stress test has been observed to cause random system hangs when amdgpu_dpm is enabled. Disabling amdgpu_dpm can fix this. However, a boot-param can still overwrite it to enable amdgpu_dpm. Serial log when error occurs: ... Console: switching to colour frame buffer device 160x45 amdgpu 0000:01:00.0: fb0: amdgpudrmfb frame buffer device [drm:amdgpu_device_ip_late_init] *ERROR* late_init of IP block fai= led -22 amdgpu 0000:01:00.0: amdgpu_device_ip_late_init failed amdgpu 0000:01:00.0: Fatal error during GPU init [drm] amdgpu: finishing device. Console: switching to colour dummy device 80x25 ... Signed-off-by: wenlunpeng Signed-off-by: WangYuli --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/= amdgpu/amdgpu_drv.c index 094498a0964b..81716fcac7cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -32,6 +32,7 @@ #include =20 #include +#include #include #include #include @@ -3023,10 +3024,32 @@ static struct pci_driver amdgpu_kms_pci_driver =3D { .dev_groups =3D amdgpu_sysfs_groups, }; =20 +static int quirk_set_amdgpu_dpm_0(const struct dmi_system_id *dmi) +{ + amdgpu_dpm =3D 0; + pr_info("Identified '%s', set amdgpu_dpm to 0.\n", dmi->ident); + return 1; +} + +static const struct dmi_system_id amdgpu_quirklist[] =3D { + { + .ident =3D "DS25 Desktop", + .matches =3D { + DMI_MATCH(DMI_BOARD_NAME, "THTF-SW831-1W-DS25_MB"), + }, + .callback =3D quirk_set_amdgpu_dpm_0, + }, + {} +}; + static int __init amdgpu_init(void) { int r; =20 + /* quirks for some hardware, applied only when it's untouched */ + if (amdgpu_dpm =3D=3D -1) + dmi_check_system(amdgpu_quirklist); + if (drm_firmware_drivers_only()) return -EINVAL; =20 --=20 2.43.4