drm/i915: Remove plane_config from struct intel_crtc, v2.

Nothing depends on this outside initial hw readout, so keep this
struct on the stack instead.

Changes since v1:
- Remove unrelated changes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -15202,6 +15202,8 @@ void intel_modeset_init(struct drm_device *dev)
 	drm_modeset_unlock_all(dev);
 
 	for_each_intel_crtc(dev, crtc) {
+		struct intel_initial_plane_config plane_config = {};
+
 		if (!crtc->active)
 			continue;
 
@@ -15212,15 +15214,14 @@ void intel_modeset_init(struct drm_device *dev)
 		 * can even allow for smooth boot transitions if the BIOS
 		 * fb is large enough for the active pipe configuration.
 		 */
-		if (dev_priv->display.get_initial_plane_config) {
 		dev_priv->display.get_initial_plane_config(crtc,
-							   &crtc->plane_config);
+							   &plane_config);
+
 		/*
 		 * If the fb is shared between multiple heads, we'll
 		 * just get the first one.
 		 */
-			intel_find_initial_plane_obj(crtc, &crtc->plane_config);
-		}
+		intel_find_initial_plane_obj(crtc, &plane_config);
 	}
 }
 

drivers/gpu/drm/i915/intel_drv.h

@@ -550,7 +550,6 @@ struct intel_crtc {
 	uint32_t cursor_size;
 	uint32_t cursor_base;
 
-	struct intel_initial_plane_config plane_config;
 	struct intel_crtc_state *config;
 	bool new_enabled;