config DRM_PANEL bool depends on DRM help Panel registration and lookup framework. menu "Display Panels" depends on DRM_PANEL config DRM_PANEL_SIMPLE tristate "support for simple panels" depends on OF help DRM panel driver for dumb panels that need at most a regulator and a GPIO to be powered up. Optionally a backlight can be attached so that it can be automatically turned off when the panel goes into a low power state. config DRM_PANEL_LD9040 tristate "LD9040 RGB/SPI panel" depends on DRM && DRM_PANEL depends on OF select SPI select VIDEOMODE_HELPERS endmenu