diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c new file mode 100644 index 00000000000..03c0d4c3f35 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c @@ -0,0 +1,28 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +int +nv40_mc_init(struct drm_device *dev) +{ + /* Power up everything, resetting each individual unit will + * be done later if needed. + */ + nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF); + + if (nv44_graph_class(dev)) { + u32 tmp = nv_rd32(dev, NV04_PFB_FIFO_DATA); + nv_wr32(dev, NV40_PMC_1700, tmp); + nv_wr32(dev, NV40_PMC_1704, 0); + nv_wr32(dev, NV40_PMC_1708, 0); + nv_wr32(dev, NV40_PMC_170C, tmp); + } + + return 0; +} + +void +nv40_mc_takedown(struct drm_device *dev) +{ +} |