diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index ded8968b3e8a664fb9b945e2063e3820be23eaad..0327d595e0285929a5874aea3c342c3c7ba06634 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -209,11 +209,11 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
 	ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
 	if (ret)
 		return ret;
-	src = data[0].vaddr; /* TODO: Use mapping abstraction properly */
 
 	ret = drm_gem_fb_vmap(fb, map, data);
 	if (ret)
 		goto out_drm_gem_fb_end_cpu_access;
+	src = data[0].vaddr; /* TODO: Use mapping abstraction properly */
 
 	switch (fb->format->format) {
 	case DRM_FORMAT_RGB565: