# SPDX-License-Identifier: GPL-2.0-only config DRM_MGAG200 tristate "Matrox G200" depends on DRM && PCI && MMU select DRM_CLIENT_SELECTION select DRM_GEM_SHMEM_HELPER select DRM_KMS_HELPER select I2C select I2C_ALGOBIT help This is a KMS driver for Matrox G200 chips. It supports the original MGA G200 desktop chips and the server variants. It requires 0.3.0 of the modesetting userspace driver, and a version of mga driver that will fail on KMS enabled devices. config DRM_MGAG200_DISABLE_WRITECOMBINE bool "Disable Write Combine mapping of VRAM" depends on DRM_MGAG200 && PREEMPT_RT help The VRAM of the G200 is mapped with Write-Combine to improve performances. This can interfere with real-time tasks; even if they are running on other CPU cores than the graphics output. Enable this option only if you run realtime tasks on a server with a Matrox G200.