linux/drivers/gpu/drm/nouveau/nv40_mc.c

39 lines
723 B
C

#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
int
nv40_mc_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
/* Power up everything, resetting each individual unit will
* be done later if needed.
*/
nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
switch (dev_priv->chipset) {
case 0x44:
case 0x46: /* G72 */
case 0x4e:
case 0x4c: /* C51_G7X */
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);
break;
default:
break;
}
return 0;
}
void
nv40_mc_takedown(struct drm_device *dev)
{
}