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drm/switcheroo: track state of switch in drivers.

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We need to track the state of the switch in drivers, so that after s/r
we don't resume the card we've explicitly switched off before. Also
don't allow a userspace open to occur if we've switched the gpu off.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2010-12-07 09:20:40 +10:00
parent 8d608aa629
commit 5bcf719b7d
10 changed files with 40 additions and 13 deletions
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6
include/drm/drmP.h
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@@ -1121,9 +1121,13 @@ struct drm_device {
spinlock_t object_name_lock;
struct idr object_name_idr;
/*@} */
int switch_power_state;
};
#define DRM_SWITCH_POWER_ON 0
#define DRM_SWITCH_POWER_OFF 1
#define DRM_SWITCH_POWER_CHANGING 2
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{