Extern or forward variable declaration at include/drm/drm_fb_cma_helper.h, line 5 References: drivers/gpu/drm/arm/hdlcd_crtc.c, line 86 drivers/gpu/drm/arm/hdlcd_crtc.c, line 267 drivers/gpu/drm/arm/malidp_drv.c, line 374 drivers/gpu/drm/arm/malidp_mw.c, line 131 drivers/gpu/drm/arm/malidp_mw.c, line 249 drivers/gpu/drm/arm/malidp_planes.c, line 512 drivers/gpu/drm/arm/malidp_planes.c, line 716 drivers/gpu/drm/arm/malidp_planes.c, line 755 drivers/gpu/drm/arm/malidp_planes.c, line 806 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c, line 168 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c, line 443 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c, line 603 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c, line 41 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c, line 85 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c, line 548 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c, line 709 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c, line 764 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 52 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 146 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 217 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 249 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 250 drivers/gpu/drm/imx/dcss/dcss-plane.c, line 275 drivers/gpu/drm/imx/ipuv3-plane.c, line 126 drivers/gpu/drm/imx/ipuv3-plane.c, line 141 drivers/gpu/drm/imx/ipuv3-plane.c, line 160 drivers/gpu/drm/imx/ipuv3-plane.c, line 380 drivers/gpu/drm/imx/ipuv3-plane.c, line 381 drivers/gpu/drm/imx/ipuv3-plane.c, line 589 drivers/gpu/drm/ingenic/ingenic-drm-drv.c, line 740 drivers/gpu/drm/kmb/kmb_plane.c, line 101 drivers/gpu/drm/kmb/kmb_plane.c, line 355 drivers/gpu/drm/mcde/mcde_display.c, line 163 drivers/gpu/drm/mcde/mcde_display.c, line 164 drivers/gpu/drm/mcde/mcde_display.c, line 1159 drivers/gpu/drm/mcde/mcde_display.c, line 1391 drivers/gpu/drm/meson/meson_overlay.c, line 476 drivers/gpu/drm/meson/meson_plane.c, line 140 drivers/gpu/drm/mxsfb/mxsfb_kms.c, line 209 drivers/gpu/drm/pl111/pl111_display.c, line 88 drivers/gpu/drm/pl111/pl111_display.c, line 89 drivers/gpu/drm/pl111/pl111_display.c, line 126 drivers/gpu/drm/pl111/pl111_display.c, line 396 drivers/gpu/drm/rcar-du/rcar_du_kms.c, line 349 drivers/gpu/drm/rcar-du/rcar_du_plane.c, line 342 drivers/gpu/drm/rcar-du/rcar_du_vsp.c, line 155 drivers/gpu/drm/rcar-du/rcar_du_vsp.c, line 186 drivers/gpu/drm/rcar-du/rcar_du_vsp.c, line 243 drivers/gpu/drm/shmobile/shmob_drm_crtc.c, line 290 drivers/gpu/drm/shmobile/shmob_drm_crtc.c, line 348 drivers/gpu/drm/shmobile/shmob_drm_crtc.c, line 375 drivers/gpu/drm/shmobile/shmob_drm_crtc.c, line 407 drivers/gpu/drm/shmobile/shmob_drm_kms.c, line 91 drivers/gpu/drm/shmobile/shmob_drm_plane.c, line 40 drivers/gpu/drm/shmobile/shmob_drm_plane.c, line 61 drivers/gpu/drm/shmobile/shmob_drm_plane.c, line 171 drivers/gpu/drm/sti/sti_cursor.c, line 191 drivers/gpu/drm/sti/sti_cursor.c, line 266 drivers/gpu/drm/sti/sti_gdp.c, line 625 drivers/gpu/drm/sti/sti_gdp.c, line 711 drivers/gpu/drm/sti/sti_hqvdp.c, line 1027 drivers/gpu/drm/sti/sti_hqvdp.c, line 1121 drivers/gpu/drm/stm/ltdc.c, line 758 drivers/gpu/drm/stm/ltdc.c, line 785 drivers/gpu/drm/sun4i/sun4i_backend.c, line 204 drivers/gpu/drm/sun4i/sun4i_backend.c, line 261 drivers/gpu/drm/sun4i/sun4i_backend.c, line 331 drivers/gpu/drm/sun4i/sun4i_backend.c, line 349 drivers/gpu/drm/sun4i/sun4i_backend.c, line 512 drivers/gpu/drm/sun4i/sun4i_backend.c, line 596 drivers/gpu/drm/sun4i/sun4i_frontend.c, line 160 drivers/gpu/drm/sun4i/sun4i_frontend.c, line 407 drivers/gpu/drm/sun4i/sun4i_frontend.c, line 500 drivers/gpu/drm/sun4i/sun8i_ui_layer.c, line 223 drivers/gpu/drm/sun4i/sun8i_vi_layer.c, line 308 drivers/gpu/drm/tidss/tidss_dispc.c, line 1956 drivers/gpu/drm/tidss/tidss_dispc.c, line 1970 drivers/gpu/drm/tilcdc/tilcdc_crtc.c, line 47 drivers/gpu/drm/tilcdc/tilcdc_crtc.c, line 62 drivers/gpu/drm/tilcdc/tilcdc_crtc.c, line 280 drivers/gpu/drm/tilcdc/tilcdc_crtc.c, line 601 drivers/gpu/drm/tiny/arcpgu.c, line 115 drivers/gpu/drm/tiny/ili9225.c, line 78 drivers/gpu/drm/tiny/ili9225.c, line 179 drivers/gpu/drm/tiny/repaper.c, line 531 drivers/gpu/drm/tiny/st7586.c, line 65 drivers/gpu/drm/tiny/st7586.c, line 91 drivers/gpu/drm/tiny/st7586.c, line 109 drivers/gpu/drm/tiny/st7586.c, line 167 drivers/gpu/drm/tve200/tve200_display.c, line 75 drivers/gpu/drm/tve200/tve200_display.c, line 76 drivers/gpu/drm/tve200/tve200_display.c, line 129 drivers/gpu/drm/tve200/tve200_display.c, line 265 drivers/gpu/drm/vc4/vc4_crtc.c, line 741 drivers/gpu/drm/vc4/vc4_crtc.c, line 742 drivers/gpu/drm/vc4/vc4_crtc.c, line 798 drivers/gpu/drm/vc4/vc4_crtc.c, line 859 drivers/gpu/drm/vc4/vc4_plane.c, line 333 drivers/gpu/drm/vc4/vc4_plane.c, line 528 drivers/gpu/drm/vc4/vc4_plane.c, line 632 drivers/gpu/drm/vc4/vc4_plane.c, line 1112 drivers/gpu/drm/vc4/vc4_txp.c, line 241 drivers/gpu/drm/vc4/vc4_txp.c, line 283 drivers/gpu/drm/zte/zx_plane.c, line 53 drivers/gpu/drm/zte/zx_plane.c, line 189 drivers/gpu/drm/zte/zx_plane.c, line 287 drivers/gpu/drm/zte/zx_plane.c, line 362