Function prototype or declaration at include/drm/drm_blend.h, line 46 References: drivers/gpu/drm/arm/display/komeda/komeda_plane.c, line 284 drivers/gpu/drm/arm/malidp_planes.c, line 1005 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c, line 777 drivers/gpu/drm/drm_blend.c, line 252 drivers/gpu/drm/drm_blend.c, line 285 drivers/gpu/drm/i915/display/intel_display.c, line 14812 drivers/gpu/drm/i915/display/intel_display.c, line 14876 drivers/gpu/drm/i915/display/intel_sprite.c, line 2327 drivers/gpu/drm/i915/display/intel_sprite.c, line 2444 drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c, line 47 drivers/gpu/drm/omapdrm/omap_plane.c, line 159 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 1425 drivers/gpu/drm/tegra/dc.c, line 787 drivers/gpu/drm/tegra/dc.c, line 1072 drivers/gpu/drm/vc4/vc4_plane.c, line 1261