drm/amdgpu: remove ATPX_DGPU_REQ_POWER_FOR_DISPLAYS check when hotplug-in

In amdgpu_atif_handler, when hotplug event received, remove
ATPX_DGPU_REQ_POWER_FOR_DISPLAYS check. This bit's check will cause missing
system resume.

Signed-off-by: Aaron Liu <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>
Cc: [e-mail]

drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c

···
 			}
 		}
 		if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
-			if ((adev->flags & AMD_IS_PX) &&
-			    amdgpu_atpx_dgpu_req_power_for_displays()) {
+			if (adev->flags & AMD_IS_PX) {
 				pm_runtime_get_sync(adev->ddev->dev);
 				/* Just fire off a uevent and let userspace tell us what to do */
 				drm_helper_hpd_irq_event(adev->ddev);