Function prototype or declaration at include/drm/drm_simple_kms_helper.h, line 241 References: drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c, line 443 drivers/gpu/drm/ast/ast_mode.c, line 1389 drivers/gpu/drm/ast/ast_mode.c, line 1495 drivers/gpu/drm/ast/ast_mode.c, line 1581 drivers/gpu/drm/ast/ast_mode.c, line 1668 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c, line 98 drivers/gpu/drm/drm_simple_kms_helper.c, line 68 drivers/gpu/drm/drm_simple_kms_helper.c, line 76 drivers/gpu/drm/drm_simple_kms_helper.c, line 421 drivers/gpu/drm/exynos/exynos_dp.c, line 164 drivers/gpu/drm/exynos/exynos_drm_dpi.c, line 196 drivers/gpu/drm/exynos/exynos_drm_vidi.c, line 412 drivers/gpu/drm/exynos/exynos_hdmi.c, line 1855 drivers/gpu/drm/gma500/cdv_intel_crt.c, line 265 drivers/gpu/drm/gma500/cdv_intel_dp.c, line 1972 drivers/gpu/drm/gma500/cdv_intel_hdmi.c, line 311 drivers/gpu/drm/gma500/cdv_intel_lvds.c, line 529 drivers/gpu/drm/gma500/oaktrail_hdmi.c, line 646 drivers/gpu/drm/gma500/oaktrail_lvds.c, line 318 drivers/gpu/drm/gma500/psb_intel_lvds.c, line 674 drivers/gpu/drm/gud/gud_connector.c, line 689 drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c, line 712 drivers/gpu/drm/i2c/tda998x_drv.c, line 2021 drivers/gpu/drm/kmb/kmb_dsi.c, line 1439 drivers/gpu/drm/mediatek/mtk_dpi.c, line 710 drivers/gpu/drm/mediatek/mtk_dsi.c, line 805 drivers/gpu/drm/meson/meson_encoder_cvbs.c, line 258 drivers/gpu/drm/meson/meson_encoder_hdmi.c, line 382 drivers/gpu/drm/qxl/qxl_display.c, line 1144 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c, line 319 drivers/gpu/drm/rockchip/cdn-dp-core.c, line 1065 drivers/gpu/drm/rockchip/rk3066_hdmi.c, line 567 drivers/gpu/drm/rockchip/rockchip_rgb.c, line 130 drivers/gpu/drm/shmobile/shmob_drm_crtc.c, line 571 drivers/gpu/drm/stm/ltdc.c, line 1673 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c, line 608 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c, line 1059 drivers/gpu/drm/tilcdc/tilcdc_panel.c, line 102 drivers/gpu/drm/vc4/vc4_dpi.c, line 302 drivers/gpu/drm/vc4/vc4_dsi.c, line 1617 drivers/gpu/drm/vc4/vc4_hdmi.c, line 2924 drivers/gpu/drm/virtio/virtgpu_display.c, line 285 drivers/gpu/drm/vkms/vkms_output.c, line 93 drivers/gpu/drm/xlnx/zynqmp_dp.c, line 1613