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-rw-r--r--include/drm/drm_format_helper.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index b30ed5de0a33..0b0937c0b2f6 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -43,4 +43,8 @@ int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_for
const void *vmap, const struct drm_framebuffer *fb,
const struct drm_rect *rect);
+void drm_fb_xrgb8888_to_mono_reversed(void *dst, unsigned int dst_pitch, const void *src,
+ const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+
#endif /* __LINUX_DRM_FORMAT_HELPER_H */