From 6c0ea215e0bd089bf3b2097e5c59dd726fbbe304 Mon Sep 17 00:00:00 2001 From: Hilton Chain Date: Thu, 5 Feb 2026 10:53:41 +0800 Subject: transformations: nvidia: Support S0ix-based power management. * nonguix/transformations.scm (nonguix-transformation-nvidia) [#:s0ix-power-management?]: New argument. * README.org (System setup): Update --- nonguix/transformations.scm | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'nonguix/transformations.scm') diff --git a/nonguix/transformations.scm b/nonguix/transformations.scm index bb5b72a..e4a5c22 100644 --- a/nonguix/transformations.scm +++ b/nonguix/transformations.scm @@ -101,6 +101,7 @@ and INITRD (default: microcode-initrd)." (define* (nonguix-transformation-nvidia #:key (driver nvda) (open-source-kernel-module? #f) + (s0ix-power-management? #f) (kernel-mode-setting? #t) (configure-xorg? #f)) "Return a procedure that transforms an operating system, setting up @@ -109,6 +110,9 @@ DRIVER (default: nvda) for NVIDIA graphics card. OPEN-SOURCE-KERNEL-MODULE? (default: #f) only supports Turing and later architectures and is expected to work with 'linux-lts'. +S0IX-POWER-MANAGEMENT? (default: #f) improves suspend and hibernate on systems +with supported graphics cards. + KERNEL-MODE-SETTING? (default: #t) is required for Wayland and rootless Xorg support. @@ -116,9 +120,7 @@ CONFIGURE-XORG? (default: #f) is required for Xorg display managers. Currently this argument configures the one used by '%desktop-services', GDM or SDDM. Use 'replace-mesa', for application setup out of the operating system -declaration. - -TODO: Power management." +declaration." (define %presets `((,nvda . ,(service nvidia-service-type (nvidia-configuration @@ -142,6 +144,10 @@ TODO: Power management." (kernel-arguments (delete-duplicates `("modprobe.blacklist=nouveau" + ,@(if s0ix-power-management? + '("mem_sleep_default=s2idle" + "nvidia.NVreg_EnableS0ixPowerManagement=1") + '()) ,(if kernel-mode-setting? "nvidia_drm.modeset=1" "nvidia_drm.modeset=0") -- cgit v1.2.3