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drm/radeon: fix resuming mode in pm runtime resume path

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For runtime pm we'd never suspend with the modesetting hw turned on,
so don't try and resume the modesetting hw, as that path will take
locks that the interface that is causing us to wake up might also
take.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2014-03-27 14:09:19 +10:00 • committed by Christian König
parent 1d8eec8ba4
commit ec9954fc26
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/radeon/radeon_device.c
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@ -1551,10 +1551,12 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
/* reset hpd state */
radeon_hpd_init(rdev);
/* blat the mode back in */
drm_helper_resume_force_mode(dev);
/* turn on display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
if (fbcon) {
drm_helper_resume_force_mode(dev);
/* turn on display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
}
drm_kms_helper_poll_enable(dev);