drm/virtio: switch to struct drm_edid

Prefer struct drm_edid based functions over struct edid.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ed6e76a9e94816789ca9caf8775d6a6156877496.1715347488.git.jani.nikula@intel.com

drivers/gpu/drm/virtio/virtgpu_display.c

@@ -164,11 +164,9 @@ static int virtio_gpu_conn_get_modes(struct drm_connector *connector)
 	struct drm_display_mode *mode = NULL;
 	int count, width, height;
 
-	if (output->edid) {
-		count = drm_add_edid_modes(connector, output->edid);
+	count = drm_edid_connector_add_modes(connector);
 	if (count)
 		return count;
-	}
 
 	width  = le32_to_cpu(output->info.r.width);
 	height = le32_to_cpu(output->info.r.height);
@@ -369,5 +367,5 @@ void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev)
 		return;
 
 	for (i = 0 ; i < vgdev->num_scanouts; ++i)
-		kfree(vgdev->outputs[i].edid);
+		drm_edid_free(vgdev->outputs[i].drm_edid);
 }

drivers/gpu/drm/virtio/virtgpu_drv.h

@@ -179,7 +179,7 @@ struct virtio_gpu_output {
 	struct drm_encoder enc;
 	struct virtio_gpu_display_one info;
 	struct virtio_gpu_update_cursor cursor;
-	struct edid *edid;
+	const struct drm_edid *drm_edid;
 	int cur_x;
 	int cur_y;
 	bool needs_modeset;

drivers/gpu/drm/virtio/virtgpu_vq.c

@@ -741,21 +741,21 @@ static void virtio_gpu_cmd_get_edid_cb(struct virtio_gpu_device *vgdev,
 		(struct virtio_gpu_resp_edid *)vbuf->resp_buf;
 	uint32_t scanout = le32_to_cpu(cmd->scanout);
 	struct virtio_gpu_output *output;
-	struct edid *new_edid, *old_edid;
+	const struct drm_edid *new_edid, *old_edid;
 
 	if (scanout >= vgdev->num_scanouts)
 		return;
 	output = vgdev->outputs + scanout;
 
-	new_edid = drm_do_get_edid(&output->conn, virtio_get_edid_block, resp);
-	drm_connector_update_edid_property(&output->conn, new_edid);
+	new_edid = drm_edid_read_custom(&output->conn, virtio_get_edid_block, resp);
+	drm_edid_connector_update(&output->conn, new_edid);
 
 	spin_lock(&vgdev->display_info_lock);
-	old_edid = output->edid;
-	output->edid = new_edid;
+	old_edid = output->drm_edid;
+	output->drm_edid = new_edid;
 	spin_unlock(&vgdev->display_info_lock);
 
-	kfree(old_edid);
+	drm_edid_free(old_edid);
 	wake_up(&vgdev->resp_wq);
 }