drivers/gpu/drm/nouveau/nv40_mc.c

   1 #include "drmP.h"
   2 #include "drm.h"
   3 #include "nouveau_drv.h"
   4 #include "nouveau_drm.h"
   5
   6 int
   7 nv40_mc_init(struct drm_device *dev)
   8 {
   9         /* Power up everything, resetting each individual unit will
  10          * be done later if needed.
  11          */
  12         nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
  13
  14         if (nv44_graph_class(dev)) {
  15                 u32 tmp = nv_rd32(dev, NV04_PFB_FIFO_DATA);
  16                 nv_wr32(dev, NV40_PMC_1700, tmp);
  17                 nv_wr32(dev, NV40_PMC_1704, 0);
  18                 nv_wr32(dev, NV40_PMC_1708, 0);
  19                 nv_wr32(dev, NV40_PMC_170C, tmp);
  20         }
  21
  22         return 0;
  23 }
  24
  25 void
  26 nv40_mc_takedown(struct drm_device *dev)
  27 {
  28 }