mirror of https://gitee.com/openkylin/linux.git
39 lines
723 B
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)
|
|
{
|
|
}
|