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drm/nouveau: only runtime suspend by default in optimus configuration

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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@gmx.de>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ilia Mirkin 2013-12-11 22:19:01 -05:00 committed by Dave Airlie
parent 0f58411d4f
commit b25b4427e9
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/nouveau/nouveau_drm.c
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@ -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);