drm/amdgpu: call hpd_irq_event on resume
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>
Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d5b4213..58cb698 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1788,6 +1788,7 @@
}
drm_kms_helper_poll_enable(dev);
+ drm_helper_hpd_irq_event(dev);
if (fbcon) {
amdgpu_fbdev_set_suspend(adev, 0);