CRT_CTRL_HSYNC_NEGATIVE 98 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c CRT_CTRL_HSYNC_NEGATIVE | CRT_CTRL_HSYNC_NEGATIVE 105 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c ctrl1 |= CRT_CTRL_HSYNC_NEGATIVE;