1# SPDX-License-Identifier: GPL-2.0-only 2config DRM_MGAG200 3 tristate "Matrox G200" 4 depends on DRM && PCI && MMU 5 select DRM_GEM_SHMEM_HELPER 6 select DRM_KMS_HELPER 7 select I2C 8 select I2C_ALGOBIT 9 help 10 This is a KMS driver for Matrox G200 chips. It supports the original 11 MGA G200 desktop chips and the server variants. It requires 0.3.0 12 of the modesetting userspace driver, and a version of mga driver 13 that will fail on KMS enabled devices. 14 15config DRM_MGAG200_DISABLE_WRITECOMBINE 16 bool "Disable Write Combine mapping of VRAM" 17 depends on DRM_MGAG200 && PREEMPT_RT 18 help 19 The VRAM of the G200 is mapped with Write-Combine to improve 20 performances. This can interfere with real-time tasks; even if they 21 are running on other CPU cores than the graphics output. 22 Enable this option only if you run realtime tasks on a server with a 23 Matrox G200.