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 3EC78347FDF for ; Sat, 28 Feb 2026 18:14:27 +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=1772302467; cv=none; b=ufMS0yqhyfECmeODWDx7X55OMdzi9m5R2rOlubPx/bLQzxHg5GtY8wkpbKj/8nnUZ8dSe18Y9Vdig5mnnFWU5JFW5HUfbDhWuoBk7cUynNAAq2XRYlOCxDZAlu+A2bqITXV4WcIXBtvbFlah7zv4qiiOx8mohHVD6vsNKhp3slY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302467; c=relaxed/simple; bh=ruqMQhFcB40l9ZH+6DumFxM9hFjBVf6JR38sTDWRS54=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Rf2Uc3NqejIWwjcZoH2L5Pc6E9g9UufBK6y0svp/pFnn+wBWSA9GE6oHhb4GYYmcz6dB2fVvT2UOBGP7EkoS8yACEAUJQ2DBkBteahtHDBtg5xu/jMSHx20FFHW51I3tL20GvkNmipePNdcaSkitlA+Vd56gNjBL/FmIBXSGFsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AEkeXg4k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AEkeXg4k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E53EC116D0; Sat, 28 Feb 2026 18:14:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302467; bh=ruqMQhFcB40l9ZH+6DumFxM9hFjBVf6JR38sTDWRS54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AEkeXg4kaxFBSVPszSLjDygqC1SJILmm7/tRxC9YDA6pLhjxSGRznxoOpE0x9+Yfl d6zNcbKw86hJpLfLbLp5zb1UcqHnK4pyl/NEgDvgyffkjTlRY3aFNvS3nNC8kSmxAD eWg861dBJRltdyoxB4CHyFNOeISXg+J1wb/keCY2QiqhGW8Ph0z+T68L/HoNs18fdz H8XFamo/yK6XLDHGMUo5MQxSOMGPKlGjc6Nt8rQgJfZgVE5ltZ7sAGf6rj2cFitBOD maL1+p1LXfDJVao8jviJgpadlpLHf5yqL+KFzoqTlcpCzdRwb1/16re/SnkPkq4wxH cPYmqOFtjat2w== From: Sasha Levin To: patches@lists.linux.dev Cc: Zhai Can , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.1 211/232] ACPI: PM: Add unused power resource quirk for THUNDEROBOT ZERO Date: Sat, 28 Feb 2026 13:11:04 -0500 Message-ID: <20260228181127.1592657-211-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181127.1592657-1-sashal@kernel.org> References: <20260228181127.1592657-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Zhai Can [ Upstream commit cd7ef20ba8c6e936dba133b4136537a8ada22976 ] On the THUNDEROBOT ZERO laptop, the second NVMe slot and the discrete NVIDIA GPU are both controlled by power-resource PXP. Due to the SSDT table bug (lack of reference), PXP will be shut dow as an "unused" power resource during initialization, making the NVMe slot #2 + NVIDIA both inaccessible. This issue was introduced by commit a1224f34d72a ("ACPI: PM: Check states of power resources during initialization"). Here are test results on the three consecutive commits: (bad again!) a1224f34d72a ACPI: PM: Check states of power resources during initialization (good) bc2836859643 ACPI: PM: Do not turn off power resources in unknown state (bad) 519d81956ee2 Linux 5.15-rc6 On commit bc2836859643 ("ACPI: PM: Do not turn off power resources in unknown state") this was not an issue because the power resource state left UNKNOWN thus being ignored. See also commit 9b04d99788cf ("ACPI: PM: Do not turn of unused power resources on the Toshiba Click Mini") which is another almost identical case to this one. Fixes: a1224f34d72a ("ACPI: PM: Check states of power resources during initialization") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221087 Signed-off-by: Zhai Can Link: https://patch.msgid.link/20260214161452.2849346-1-bczhc0@126.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/power.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index aea8c994caeac..db7b5534931be 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -1035,6 +1035,19 @@ static const struct dmi_system_id dmi_leave_unused_power_resources_on[] = { DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"), }, }, + { + /* + * THUNDEROBOT ZERO laptop: Due to its SSDT table bug, power + * resource 'PXP' will be shut down on initialization, making + * the NVMe #2 and the NVIDIA dGPU both unavailable (they're + * both controlled by 'PXP'). + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "THUNDEROBOT"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZERO"), + } + + }, {} }; -- 2.51.0