Extern or forward variable declaration at include/drm/drm_of.h, line 11 References: drivers/gpu/drm/arm/hdlcd_drv.c, line 381 drivers/gpu/drm/arm/malidp_drv.c, line 857 drivers/gpu/drm/armada/armada_drv.c, line 194 drivers/gpu/drm/armada/armada_drv.c, line 222 drivers/gpu/drm/drm_of.c, line 90 drivers/gpu/drm/drm_of.c, line 118 drivers/gpu/drm/etnaviv/etnaviv_drv.c, line 593 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c, line 230 drivers/gpu/drm/mediatek/mtk_drm_drv.c, line 450 drivers/gpu/drm/msm/msm_drv.c, line 1161 drivers/gpu/drm/msm/msm_drv.c, line 1223 drivers/gpu/drm/msm/msm_drv.c, line 1279 drivers/gpu/drm/msm/msm_drv.c, line 1315 drivers/gpu/drm/rockchip/rockchip_drm_drv.c, line 325 drivers/gpu/drm/rockchip/rockchip_drm_drv.c, line 327 drivers/gpu/drm/rockchip/rockchip_drm_drv.c, line 416 drivers/gpu/drm/sti/sti_drv.c, line 275 drivers/gpu/drm/sun4i/sun4i_drv.c, line 317 drivers/gpu/drm/sun4i/sun4i_drv.c, line 369 drivers/gpu/drm/tilcdc/tilcdc_external.c, line 241 drivers/gpu/drm/xlnx/xlnx_drv.c, line 332 drivers/gpu/drm/zte/zx_drm_drv.c, line 157 include/drm/drm_of.h, line 11 include/drm/drm_of.h, line 25 include/drm/drm_of.h, line 53