Function prototype or declaration at include/drm/drm_vblank.h, line 195 References: drivers/gpu/drm/amd/amdgpu/dce_v10_0.c, line 2490 drivers/gpu/drm/amd/amdgpu/dce_v11_0.c, line 2565 drivers/gpu/drm/amd/amdgpu/dce_v6_0.c, line 2380 drivers/gpu/drm/amd/amdgpu/dce_v8_0.c, line 2394 drivers/gpu/drm/amd/amdgpu/dce_virtual.c, line 147 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c, line 3739 drivers/gpu/drm/arm/hdlcd_crtc.c, line 184 drivers/gpu/drm/arm/malidp_crtc.c, line 83 drivers/gpu/drm/arm/malidp_drv.c, line 680 drivers/gpu/drm/armada/armada_crtc.c, line 366 drivers/gpu/drm/armada/armada_crtc.c, line 662 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c, line 160 drivers/gpu/drm/drm_vblank.c, line 1115 drivers/gpu/drm/drm_vblank.c, line 1171 drivers/gpu/drm/exynos/exynos_drm_crtc.c, line 41 drivers/gpu/drm/exynos/exynos_drm_vidi.c, line 146 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c, line 56 drivers/gpu/drm/gma500/gma_display.c, line 277 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 219 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c, line 515 drivers/gpu/drm/i915/intel_display.c, line 5627 drivers/gpu/drm/i915/intel_display.c, line 5677 drivers/gpu/drm/i915/intel_display.c, line 5962 drivers/gpu/drm/imx/ipuv3-crtc.c, line 109 drivers/gpu/drm/mediatek/mtk_drm_crtc.c, line 419 drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c, line 294 drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c, line 440 drivers/gpu/drm/nouveau/dispnv04/crtc.c, line 706 drivers/gpu/drm/nouveau/nv50_display.c, line 3978 drivers/gpu/drm/omapdrm/omap_crtc.c, line 408 drivers/gpu/drm/omapdrm/omap_drv.c, line 574 drivers/gpu/drm/pl111/pl111_display.c, line 306 drivers/gpu/drm/radeon/atombios_crtc.c, line 286 drivers/gpu/drm/radeon/radeon_legacy_crtc.c, line 342 drivers/gpu/drm/rcar-du/rcar_du_crtc.c, line 587 drivers/gpu/drm/rcar-du/rcar_du_crtc.c, line 832 drivers/gpu/drm/rockchip/rockchip_drm_vop.c, line 577 drivers/gpu/drm/sti/sti_crtc.c, line 119 drivers/gpu/drm/stm/ltdc.c, line 439 drivers/gpu/drm/sun4i/sun4i_crtc.c, line 114 drivers/gpu/drm/tegra/dc.c, line 1611 drivers/gpu/drm/tilcdc/tilcdc_crtc.c, line 526 drivers/gpu/drm/tve200/tve200_display.c, line 231 drivers/gpu/drm/vc4/vc4_crtc.c, line 493 drivers/gpu/drm/zte/zx_vou.c, line 467 include/drm/drm_vblank.h, line 195