4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Alex Deucher <[email protected]> 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 <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1788,6 +1788,7 @@ int amdgpu_resume_kms(struct drm_device } drm_kms_helper_poll_enable(dev); + drm_helper_hpd_irq_event(dev); if (fbcon) { amdgpu_fbdev_set_suspend(adev, 0);

