Function prototype or declaration at include/linux/hdmi.h, line 179 References: drivers/gpu/drm/amd/amdgpu/dce_v10_0.c, line 1691 drivers/gpu/drm/amd/amdgpu/dce_v11_0.c, line 1733 drivers/gpu/drm/amd/amdgpu/dce_v6_0.c, line 1440 drivers/gpu/drm/amd/amdgpu/dce_v8_0.c, line 1625 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c, line 273 drivers/gpu/drm/bridge/analogix-anx78xx.c, line 898 drivers/gpu/drm/bridge/sii902x.c, line 268 drivers/gpu/drm/bridge/sil-sii8620.c, line 1112 drivers/gpu/drm/exynos/exynos_hdmi.c, line 825 drivers/gpu/drm/mediatek/mtk_hdmi.c, line 992 drivers/gpu/drm/omapdrm/dss/hdmi4_core.c, line 279 drivers/gpu/drm/omapdrm/dss/hdmi5_core.c, line 439 drivers/gpu/drm/radeon/radeon_audio.c, line 532 drivers/gpu/drm/sti/sti_hdmi.c, line 449 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c, line 62 drivers/gpu/drm/tegra/hdmi.c, line 696 drivers/gpu/drm/tegra/sor.c, line 2124 drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c, line 280 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c, line 431 drivers/video/hdmi.c, line 204 drivers/video/hdmi.c, line 215 drivers/video/hdmi.c, line 807 include/linux/hdmi.h, line 179