[SRU][J:hwe/N][PATCH 10/11] nvme-pci: Add TUXEDO InfinityFlex to Samsung sleep quirk

[Werner Sembach]

Sorry, I messed up the git-send-email command, this should only go to 
kernel-team at lists.ubuntu.com.

Am 17.02.25 um 09:53 schrieb Werner Sembach:
> From: Georg Gottleuber <ggo at tuxedocomputers.com>
>
> Buglink: https://bugs.launchpad.net/bugs/2098104
>
> Impact: This is a patchset that we (as in TUXEDO Computers) currently apply
> on top of the Ubuntu 6.8 kernel to make it run smoothly on all our devices.
> All patches apply cleanly on 6.8.
> Fix: Quirk to make the TUXEDO InfinityFlex sleep better. This patch is
> already upstream, just not on the 6.8 branch, because they where upstreamed
> after that one was already EOL.
> Testcase: We run this patchset for all our customers devices (we basically
> maintain our own OEM branch) so it is quite field testet. Besides that,
> whenever a new patch was added we did regression testing on a selection of
> 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 <ggo at tuxedocomputers.com>
> Cc: stable at vger.kernel.org
> Signed-off-by: Werner Sembach <wse at tuxedocomputers.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Keith Busch <kbusch at kernel.org>
> ---
>   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 fde4073fa418e..6f11d3d436455 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"))