drm/rockchip: Use drm_fb_helper_fill_info

This will set an fb name for the first time!

v2: Rebase
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190326132008.11781-17-daniel.vetter@ffwll.ch

drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c

@@ -90,12 +90,10 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
 		goto out;
 	}
 
-	fbi->par = helper;
 	fbi->fbops = &rockchip_drm_fbdev_ops;
 
 	fb = helper->fb;
-	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(fbi, helper, sizes);
 
 	offset = fbi->var.xoffset * bytes_per_pixel;
 	offset += fbi->var.yoffset * fb->pitches[0];