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nouveau: fix state detection with switchable graphics

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Signed-off-by: Matthew Garrett <[email protected]>
Signed-off-by: Ben Skeggs <[email protected]>
This commit is contained in:
Matthew Garrett 2010-02-10 20:50:34 +10:00 • committed by Ben Skeggs
commit 13876c6e5f
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/nouveau/nouveau_acpi.c
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@ -90,21 +90,21 @@ int nouveau_hybrid_setup(struct drm_device *dev)
{
int result;
if (nouveau_dsm(dev, NOUVEAU_DSM_ACTIVE, NOUVEAU_DSM_ACTIVE_QUERY,
if (nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_STATE,
&result))
return -ENODEV;
NV_INFO(dev, "_DSM hardware status gave 0x%x\n", result);
if (result & 0x1) { /* Stamina mode - disable the external GPU */
if (result) { /* Ensure that the external GPU is enabled */
nouveau_dsm(dev, NOUVEAU_DSM_LED, NOUVEAU_DSM_LED_SPEED, NULL);
nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_SPEED,
NULL);
} else { /* Stamina mode - disable the external GPU */
nouveau_dsm(dev, NOUVEAU_DSM_LED, NOUVEAU_DSM_LED_STAMINA,
NULL);
nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_STAMINA,
NULL);
} else { /* Ensure that the external GPU is enabled */
nouveau_dsm(dev, NOUVEAU_DSM_LED, NOUVEAU_DSM_LED_SPEED, NULL);
nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_SPEED,
NULL);
}
return 0;