VSYNC_POL 203 drivers/gpu/drm/mediatek/mtk_dpi.c (dpi_pol->vsync_pol == MTK_DPI_POLARITY_RISING ? 0 : VSYNC_POL); VSYNC_POL 205 drivers/gpu/drm/mediatek/mtk_dpi.c CK_POL | DE_POL | HSYNC_POL | VSYNC_POL);