Hi,
I have a Samsung QX412 with hybrid (Intel HD and Nvidia) graphics, and I wish to disable nvidia chip in hope of getting decent battery life and keeping the heat down.
However I have run into an issue with “vga_switcheroo” not being available in “/sys/kernel/debug/”… Debugfs is mounted.
I am running kernel: 3.0.4-43-desktop (from Tumbleweed), and switcheroo is enabled.
cat /boot/config-3.0.4-43-desktop | grep SWITCHEROO
CONFIG_VGA_SWITCHEROO=y
Both nouveau and i915 drivers are running:
lsmod | grep i915
i915 609343 3
drm_kms_helper 42334 2 nouveau,i915
drm 247990 6 nouveau,ttm,i915,drm_kms_helper
i2c_algo_bit 13368 2 nouveau,i915
video 19625 2 nouveau,i915
button 13942 2 nouveau,i915
lsmod | grep nouveau
nouveau 771324 0
ttm 80604 1 nouveau
mxm_wmi 12979 1 nouveau
drm_kms_helper 42334 2 nouveau,i915
drm 247990 6 nouveau,ttm,i915,drm_kms_helper
i2c_algo_bit 13368 2 nouveau,i915
video 19625 2 nouveau,i915
button 13942 2 nouveau,i915
Any idea on what I should do to be able to access vga_switcheroo?
Cheers!