drivers/gpu/drm/nouveau/nv40_mc.c

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