drm/tegra: Use drm_fb_helper_fill_info

Another driver that didn't set fbinfo->fix.id before.

v2: Fix subject and rebase
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190326132008.11781-18-daniel.vetter@ffwll.ch

drivers/gpu/drm/tegra/fb.c

@@ -255,11 +255,9 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
 	helper->fb = fb;
 	helper->fbdev = info;
 
-	info->par = helper;
 	info->fbops = &tegra_fb_ops;
 
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(info, helper, fb->width, fb->height);
+	drm_fb_helper_fill_info(info, helper, sizes);
 
 	offset = info->var.xoffset * bytes_per_pixel +
 		 info->var.yoffset * fb->pitches[0];