Extern or forward variable declaration at drivers/gpu/drm/rockchip/rockchip_drm_drv.h, line 32 References: drivers/gpu/drm/rockchip/analogix_dp-rockchip.c, line 155 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 235 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 248 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 263 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 286 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 927 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 1019 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 1102 drivers/gpu/drm/rockchip/cdn-dp-core.h, line 75 drivers/gpu/drm/rockchip/dw-mipi-dsi.c, line 291 drivers/gpu/drm/rockchip/dw-mipi-dsi.c, line 368 drivers/gpu/drm/rockchip/dw-mipi-dsi.c, line 1072 drivers/gpu/drm/rockchip/dw-mipi-dsi.c, line 1083 drivers/gpu/drm/rockchip/dw-mipi-dsi.c, line 1101 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c, line 199 drivers/gpu/drm/rockchip/inno_hdmi.c, line 66 drivers/gpu/drm/rockchip/inno_hdmi.c, line 547 drivers/gpu/drm/rockchip/inno_hdmi.c, line 555 drivers/gpu/drm/rockchip/inno_hdmi.c, line 577 drivers/gpu/drm/rockchip/inno_hdmi.c, line 584 drivers/gpu/drm/rockchip/inno_hdmi.c, line 590 drivers/gpu/drm/rockchip/rockchip_drm_drv.h, line 32 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 1096 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 1098 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 1117 drivers/gpu/drm/rockchip/rockchip_lvds.c, line 72 drivers/gpu/drm/rockchip/rockchip_lvds.c, line 206 drivers/gpu/drm/rockchip/rockchip_lvds.c, line 347