| # SPDX-License-Identifier: GPL-2.0-only |
| config DRM_MGAG200 |
| tristate "Matrox G200" |
| depends on DRM && PCI && MMU |
| 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. |