From f455198227f3ec0ca84510801adbaa236a94effe Mon Sep 17 00:00:00 2001 From: Georg Gottleuber Date: Fri, 21 Feb 2025 22:51:11 +0100 Subject: [PATCH] nvme-pci: Add TUXEDO InfinityFlex to Samsung sleep quirk BugLink: https://bugs.launchpad.net/bugs/2098104 Impact: Better suspend Fix: Quirk to make the TUXEDO InfinityFlex sleep better. Testcase: Field tested on several TUXEDO devices. On the TUXEDO InfinityFlex, a Samsung 990 Evo NVMe leads to a high power consumption in s2idle sleep (4 watts). This patch applies 'Force No Simple Suspend' quirk to achieve a sleep with a lower power consumption, typically around 1.4 watts. Signed-off-by: Georg Gottleuber Cc: stable@vger.kernel.org Signed-off-by: Werner Sembach Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch (cherry picked from commit dbf2bb1a1319b7c7d8828905378a6696cca6b0f2) Signed-off-by: Werner Sembach Acked-by: Koichiro Den Acked-by: Stewart Hore Signed-off-by: Koichiro Den --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index fde4073fa418..6f11d3d43645 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2936,7 +2936,8 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) * because of high power consumption (> 2 Watt) in s2idle * sleep. Only some boards with Intel CPU are affected. */ - if (dmi_match(DMI_BOARD_NAME, "GMxPXxx") || + if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") || + dmi_match(DMI_BOARD_NAME, "GMxPXxx") || dmi_match(DMI_BOARD_NAME, "PH4PG31") || dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") || dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71"))