Enable legacy fbdev support for your modesetting driver

selects

CONFIG_FB_CFB_FILLRECT
CONFIG_FB_CFB_COPYAREA
CONFIG_FB_CFB_IMAGEBLIT
CONFIG_FB_DEFERRED_IO
CONFIG_FB_SYS_FOPS
CONFIG_FB_SYS_FILLRECT
CONFIG_FB_SYS_COPYAREA
CONFIG_FB_SYS_IMAGEBLIT
CONFIG_FRAMEBUFFER_CONSOLE
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY

depends

CONFIG_DRM_KMS_HELPER
CONFIG_HAS_IOMEM
CONFIG_FB or CONFIG_FB=CONFIG_DRM_KMS_HELPER

configname: CONFIG_DRM_FBDEV_EMULATION

Linux Kernel Configuration

└─> Device Drivers

└─> Graphics support

└─> Enable legacy fbdev support for your modesetting driver

Choose this option if you have a need for the legacy fbdev
support. Note that this support also provides the linux console
support on top of your modesetting driver.

If in doubt, say "Y".