[PATCH 5/7] trim

[Chris Wilson]

---
 drivers/gpu/drm/i915/intel_display.c | 61 +++++++++++++++---------------------
 1 file changed, 25 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f76cc83d678e..459223cc667f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13324,38 +13324,6 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 	struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb);
 	int ret;
 
-	if (obj) {
-		if (plane->type == DRM_PLANE_TYPE_CURSOR &&
-		    INTEL_INFO(dev_priv)->cursor_needs_physical) {
-			const int align = intel_cursor_alignment(dev_priv);
-
-			ret = i915_gem_object_attach_phys(obj, align);
-			if (ret) {
-				DRM_DEBUG_KMS("failed to attach phys object\n");
-				return ret;
-			}
-		} else {
-			struct i915_vma *vma;
-
-			ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
-			if (ret)
-				return ret;
-
-			vma = intel_pin_and_fence_fb_obj(fb, new_state->rotation);
-			mutex_unlock(&dev_priv->drm.struct_mutex);
-
-			if (IS_ERR(vma)) {
-				DRM_DEBUG_KMS("failed to pin object\n");
-				return PTR_ERR(vma);
-			}
-
-			to_intel_plane_state(new_state)->vma = vma;
-		}
-	}
-
-	if (!obj && !old_obj)
-		return 0;
-
 	if (old_obj) {
 		struct drm_crtc_state *crtc_state =
 			drm_atomic_get_existing_crtc_state(new_state->state,
@@ -13394,6 +13362,31 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 	if (!obj)
 		return 0;
 
+	ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
+	if (ret)
+		return ret;
+
+	i915_gem_object_wait_priority(obj, 0, I915_PRIORITY_DISPLAY);
+
+	if (plane->type == DRM_PLANE_TYPE_CURSOR &&
+	    INTEL_INFO(dev_priv)->cursor_needs_physical) {
+		const int align = intel_cursor_alignment(dev_priv);
+
+		ret = i915_gem_object_attach_phys(obj, align);
+	} else {
+		struct i915_vma *vma;
+
+		vma = intel_pin_and_fence_fb_obj(fb, new_state->rotation);
+		if (!IS_ERR(vma))
+			to_intel_plane_state(new_state)->vma = vma;
+		else
+			ret =  PTR_ERR(vma);
+	}
+
+	mutex_unlock(&dev_priv->drm.struct_mutex);
+	if (ret)
+		return ret;
+
 	if (!new_state->fence) { /* implicit fencing */
 		ret = i915_sw_fence_await_reservation(&intel_state->commit_ready,
 						      obj->resv, NULL,
@@ -13401,10 +13394,6 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 						      GFP_KERNEL);
 		if (ret < 0)
 			return ret;
-
-		mutex_lock(&dev_priv->drm.struct_mutex);
-		i915_gem_object_wait_priority(obj, 0, I915_PRIORITY_DISPLAY);
-		mutex_unlock(&dev_priv->drm.struct_mutex);
 	}
 
 	return 0;
-- 
2.11.0