The intent was to only enable it by default for optimus, e.g. see the runtime_idle callback. The suspend callback may be called directly, e.g. as a result of nouveau_crtc_set_config. Reported-by: Stefan Lippers-Hollmann <s.l-h@xxxxxx> Signed-off-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- See http://lists.freedesktop.org/archives/dri-devel/2013-November/049738.html for my analysis of the situation. Since this has been around since 3.12, I'm tagging it for stable. drivers/gpu/drm/nouveau/nouveau_drm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 7a3759f..98a22e6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -858,6 +858,12 @@ static int nouveau_pmops_runtime_suspend(struct device *dev) if (nouveau_runtime_pm == 0) return -EINVAL; + /* are we optimus enabled? */ + if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { + DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); + return -EINVAL; + } + nv_debug_level(SILENT); drm_kms_helper_poll_disable(drm_dev); vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); -- 1.8.3.2 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
