drivers/gpu/drm/nouveau/nv50_fb.c

   1 #include "drmP.h"
   2 #include "drm.h"
   3 #include "nouveau_drv.h"
   4 #include "nouveau_drm.h"
   5
   6 int
   7 nv50_fb_init(struct drm_device *dev)
   8 {
   9         /* This is needed to get meaningful information from 100c90
  10          * on traps. No idea what these values mean exactly. */
  11         struct drm_nouveau_private *dev_priv = dev->dev_private;
  12
  13         switch (dev_priv->chipset) {
  14         case 0x50:
  15                 nv_wr32(dev, 0x100c90, 0x0707ff);
  16                 break;
  17         case 0xa5:
  18         case 0xa8:
  19                 nv_wr32(dev, 0x100c90, 0x0d0fff);
  20                 break;
  21         default:
  22                 nv_wr32(dev, 0x100c90, 0x1d07ff);
  23                 break;
  24         }
  25
  26         return 0;
  27 }
  28
  29 void
  30 nv50_fb_takedown(struct drm_device *dev)
  31 {
  32 }