The legacy DRM suspend logic (effective in UMS) doesn't handle any S4 thaw
events so we don't need to care about it either. Only S3 suspend and S4
freeze events are handled. Leave an assert behind to be sure.
Signed-off-by: Imre Deak <imre.d...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 2365875..f36e2d2 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -618,9 +618,9 @@ int i915_suspend(struct drm_device *dev, pm_message_t state)
return -ENODEV;
}
- if (state.event == PM_EVENT_PRETHAW)
- return 0;
-
+ if (WARN_ON_ONCE(state.event != PM_EVENT_SUSPEND &&
+ state.event != PM_EVENT_FREEZE))
+ return -EINVAL;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
--
1.8.4
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