drm/i915/state: use struct drm_device based logging

Convert all the DRM_* logging macros to the struct drm_device based
macros to provide device specific logging.

No functional changes.

Cc: Wambui Karuga <wambui.karugax@gmail.com>
Reviewed-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200402114819.17232-8-jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_global_state.c

@@ -71,6 +71,7 @@ struct intel_global_state *
 intel_atomic_get_global_obj_state(struct intel_atomic_state *state,
 				  struct intel_global_obj *obj)
 {
+	struct drm_i915_private *i915 = to_i915(state->base.dev);
 	int index, num_objs, i;
 	size_t size;
 	struct __intel_global_objs_state *arr;
@@ -106,8 +107,8 @@ intel_atomic_get_global_obj_state(struct intel_atomic_state *state,
 
 	state->num_global_objs = num_objs;
 
-	DRM_DEBUG_ATOMIC("Added new global object %p state %p to %p\n",
-			 obj, obj_state, state);
+	drm_dbg_atomic(&i915->drm, "Added new global object %p state %p to %p\n",
+		       obj, obj_state, state);
 
 	return obj_state;
 }