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drm/amdgpu: call hpd_irq_event on resume

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commit 54fb2a5cd0baf8e97d743de411e2f832d1afa68d upstream.

Need to call this on resume if displays changes during
suspend in order to properly be notified of changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2015-11-24 14:30:56 -05:00 committed by Greg Kroah-Hartman
parent 8397905d2d
commit d1ad20f15b
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1788,6 +1788,7 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
}
drm_kms_helper_poll_enable(dev);
drm_helper_hpd_irq_event(dev);
if (fbcon) {
amdgpu_fbdev_set_suspend(adev, 0);