drm/i915/audio: Hook up component bindings even if displays are disabled

If the display has been disabled by modparam, we still want to connect
together the HW bits and bobs with the associated drivers so that we can
continue to manage their runtime power gating.

Fixes: 1081094 ("drm/i915: Check num_pipes before initializing audio component")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Imre Deak <[email protected]>
Cc: Takashi Iwai <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: Elaine Wang <[email protected]>
Reviewed-by: Imre Deak <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 35a5fd9)
Signed-off-by: Rodrigo Vivi <[email protected]>

drivers/gpu/drm/i915/intel_audio.c

@@ -962,9 +962,6 @@ void i915_audio_component_init(struct drm_i915_private *dev_priv)
 {
 	int ret;
 
-	if (INTEL_INFO(dev_priv)->num_pipes == 0)
-		return;
-
 	ret = component_add(dev_priv->drm.dev, &i915_audio_component_bind_ops);
 	if (ret < 0) {
 		DRM_ERROR("failed to add audio component (%d)\n", ret);