drm/i915: Move HDMI aspect ratio setup to .compute_config()

We shouldn't frob adjusted_mode after .compute_config(), so move the
infoframe aspect ratio setup to .compute_config() from
intel_hdmi_set_avi_infoframe().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_hdmi.c

@@ -454,9 +454,6 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
 	union hdmi_infoframe frame;
 	int ret;
 
-	/* Set user selected PAR to incoming mode's member */
-	adjusted_mode->picture_aspect_ratio = intel_hdmi->aspect_ratio;
-
 	ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
 						       adjusted_mode);
 	if (ret < 0) {
@@ -1312,6 +1309,9 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
 		return false;
 	}
 
+	/* Set user selected PAR to incoming mode's member */
+	adjusted_mode->picture_aspect_ratio = intel_hdmi->aspect_ratio;
+
 	return true;
 }