drm/radeon: remove FIXME comment from chipset suspend

For a normal suspend/resume we allready wait for
the rings to be empty, and for a suspend/reasume
in case of a lockup we REALLY don't want to wait
for anything.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/evergreen.c

@@ -3137,7 +3137,6 @@ int evergreen_suspend(struct radeon_device *rdev)
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 
 	r600_audio_fini(rdev);
-	/* FIXME: we should wait for ring to be empty */
 	radeon_ib_pool_suspend(rdev);
 	r600_blit_suspend(rdev);
 	r700_cp_stop(rdev);

drivers/gpu/drm/radeon/ni.c

@@ -1334,7 +1334,6 @@ int cayman_resume(struct radeon_device *rdev)
 int cayman_suspend(struct radeon_device *rdev)
 {
 	r600_audio_fini(rdev);
-	/* FIXME: we should wait for ring to be empty */
 	radeon_ib_pool_suspend(rdev);
 	radeon_vm_manager_suspend(rdev);
 	r600_blit_suspend(rdev);

drivers/gpu/drm/radeon/r600.c

@@ -2461,7 +2461,6 @@ int r600_suspend(struct radeon_device *rdev)
 	r600_audio_fini(rdev);
 	radeon_ib_pool_suspend(rdev);
 	r600_blit_suspend(rdev);
-	/* FIXME: we should wait for ring to be empty */
 	r600_cp_stop(rdev);
 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
 	r600_irq_suspend(rdev);

drivers/gpu/drm/radeon/rv770.c

@@ -996,7 +996,6 @@ int rv770_suspend(struct radeon_device *rdev)
 	r600_audio_fini(rdev);
 	radeon_ib_pool_suspend(rdev);
 	r600_blit_suspend(rdev);
-	/* FIXME: we should wait for ring to be empty */
 	r700_cp_stop(rdev);
 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
 	r600_irq_suspend(rdev);

drivers/gpu/drm/radeon/si.c

@@ -3807,7 +3807,6 @@ int si_resume(struct radeon_device *rdev)
 
 int si_suspend(struct radeon_device *rdev)
 {
-	/* FIXME: we should wait for ring to be empty */
 	radeon_ib_pool_suspend(rdev);
 	radeon_vm_manager_suspend(rdev);
 #if 0