drm/radeon/kms/pm: add asic specific callbacks for setting power state (v2)

(v2) Add evergreen vbl checks

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 4339371..11fe1d1 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -175,6 +175,8 @@
 void radeon_pm_compute_clocks(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
+bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
+void radeon_sync_with_vblank(struct radeon_device *rdev);
 
 /*
  * Fences.
@@ -808,6 +810,7 @@
 	 */
 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 	bool (*gui_idle)(struct radeon_device *rdev);
+	void (*set_power_state)(struct radeon_device *rdev);
 };
 
 /*
@@ -1215,6 +1218,7 @@
 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
+#define radeon_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
 
 /* Common functions */
 /* AGP */