Function prototype or declaration at include/drm/drm_atomic_state_helper.h, line 47 References: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c, line 3790 drivers/gpu/drm/arm/display/komeda/komeda_crtc.c, line 486 drivers/gpu/drm/arm/display/komeda/komeda_crtc.c, line 520 drivers/gpu/drm/arm/malidp_crtc.c, line 472 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c, line 401 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c, line 439 drivers/gpu/drm/drm_atomic_state_helper.c, line 170 drivers/gpu/drm/drm_atomic_state_helper.c, line 196 drivers/gpu/drm/drm_atomic_state_helper.c, line 209 drivers/gpu/drm/i915/display/intel_display.c, line 13472 drivers/gpu/drm/i915/display/intel_display.c, line 17285 drivers/gpu/drm/imx/ipuv3-crtc.c, line 147 drivers/gpu/drm/mediatek/mtk_drm_crtc.c, line 106 drivers/gpu/drm/mediatek/mtk_drm_crtc.c, line 139 drivers/gpu/drm/nouveau/dispnv50/head.c, line 413 drivers/gpu/drm/omapdrm/omap_crtc.c, line 701 drivers/gpu/drm/rcar-du/rcar_du_crtc.c, line 884 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 1410 drivers/gpu/drm/tegra/dc.c, line 1196 drivers/gpu/drm/vkms/vkms_crtc.c, line 128 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c, line 620 include/drm/drm_atomic_state_helper.h, line 47