1 files changed, 38 insertions, 2 deletions

diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index ea9a43d31bf1..9bc5b438aefd 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -77,7 +77,10 @@ static int bochs_crtc_mode_set(struct drm_crtc *crtc,
 	struct bochs_device *bochs =
 		container_of(crtc, struct bochs_device, crtc);
 
-	bochs_hw_setmode(bochs, mode);
+	if (WARN_ON(crtc->primary->fb == NULL))
+		return -EINVAL;
+
+	bochs_hw_setmode(bochs, mode, crtc->primary->fb->format);
 	bochs_crtc_mode_set_base(crtc, x, y, old_fb);
 	return 0;
 }
@@ -126,12 +129,44 @@ static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
 	.commit = bochs_crtc_commit,
 };
 
+static const uint32_t bochs_formats[] = {
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_BGRX8888,
+};
+
+static struct drm_plane *bochs_primary_plane(struct drm_device *dev)
+{
+	struct drm_plane *primary;
+	int ret;
+
+	primary = kzalloc(sizeof(*primary), GFP_KERNEL);
+	if (primary == NULL) {
+		DRM_DEBUG_KMS("Failed to allocate primary plane\n");
+		return NULL;
+	}
+
+	ret = drm_universal_plane_init(dev, primary, 0,
+				       &drm_primary_helper_funcs,
+				       bochs_formats,
+				       ARRAY_SIZE(bochs_formats),
+				       NULL,
+				       DRM_PLANE_TYPE_PRIMARY, NULL);
+	if (ret) {
+		kfree(primary);
+		primary = NULL;
+	}
+
+	return primary;
+}
+
 static void bochs_crtc_init(struct drm_device *dev)
 {
 	struct bochs_device *bochs = dev->dev_private;
 	struct drm_crtc *crtc = &bochs->crtc;
+	struct drm_plane *primary = bochs_primary_plane(dev);
 
-	drm_crtc_init(dev, crtc, &bochs_crtc_funcs);
+	drm_crtc_init_with_planes(dev, crtc, primary, NULL,
+				  &bochs_crtc_funcs, NULL);
 	drm_crtc_helper_add(crtc, &bochs_helper_funcs);
 }
 
@@ -250,6 +285,7 @@ int bochs_kms_init(struct bochs_device *bochs)
 	bochs->dev->mode_config.fb_base = bochs->fb_base;
 	bochs->dev->mode_config.preferred_depth = 24;
 	bochs->dev->mode_config.prefer_shadow = 0;
+	bochs->dev->mode_config.quirk_addfb_prefer_host_byte_order = true;
 
 	bochs->dev->mode_config.funcs = &bochs_mode_funcs;