drm/radeon/dpm: add late_enable for trinity

Need to wait to enable cg and pg until after
ring tests. Also make sure interrupts are enabled
before we enable thermal interrupts.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index fe2991d..99d43ef 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1790,6 +1790,7 @@
 		.init = &trinity_dpm_init,
 		.setup_asic = &trinity_dpm_setup_asic,
 		.enable = &trinity_dpm_enable,
+		.late_enable = &trinity_dpm_late_enable,
 		.disable = &trinity_dpm_disable,
 		.pre_set_power_state = &trinity_dpm_pre_set_power_state,
 		.set_power_state = &trinity_dpm_set_power_state,