DPI_TGEN_HPORCH 144 drivers/gpu/drm/mediatek/mtk_dpi.c mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, DPI_TGEN_HPORCH 146 drivers/gpu/drm/mediatek/mtk_dpi.c mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP,