Re: [PATCH] nvme-pci: Add TUXEDO IBS Gen8 to Samsung sleep quirk

From: Werner Sembach
Date: Mon Aug 25 2025 - 12:08:16 EST


Hi

Am 01.07.25 um 22:55 schrieb Werner Sembach:
From: Georg Gottleuber <ggo@xxxxxxxxxxxxxxxxxxx>

On the TUXEDO InfinityBook S Gen8, a Samsung 990 Evo NVMe leads to
a high power consumption in s2idle sleep (3.5 watts).

This patch applies 'Force No Simple Suspend' quirk to achieve a sleep with
a lower power consumption, typically around 1 watts.

Signed-off-by: Georg Gottleuber <ggo@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
gentle bump for this not to be forgotten
---
drivers/nvme/host/pci.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 8ff12e415cb5d..d677080e67d33 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3198,10 +3198,12 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
* Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND
* because of high power consumption (> 2 Watt) in s2idle
* sleep. Only some boards with Intel CPU are affected.
+ * (Note for testing: Samsung 990 Evo Plus has same PCI ID)
*/
if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") ||
dmi_match(DMI_BOARD_NAME, "GMxPXxx") ||
dmi_match(DMI_BOARD_NAME, "GXxMRXx") ||
+ dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") ||
dmi_match(DMI_BOARD_NAME, "PH4PG31") ||
dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") ||
dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))