linux/drivers/gpu/drm/nouveau/nv50_fb.c

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#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
int
nv50_fb_init(struct drm_device *dev)
{
/* This is needed to get meaningful information from 100c90
* on traps. No idea what these values mean exactly. */
struct drm_nouveau_private *dev_priv = dev->dev_private;
switch (dev_priv->chipset) {
case 0x50:
nv_wr32(dev, 0x100c90, 0x0707ff);
break;
case 0xa5:
case 0xa8:
nv_wr32(dev, 0x100c90, 0x0d0fff);
break;
default:
nv_wr32(dev, 0x100c90, 0x1d07ff);
break;
}
return 0;
}
void
nv50_fb_takedown(struct drm_device *dev)
{
}