linux/drivers/gpu/drm/nouveau/nv40_mc.c
Ben Skeggs 1380da4979 drm/nv40: initialise 0x17xx on all chipsets that have it
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-01-17 11:28:43 +10:00

29 lines
553 B
C

#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
int
nv40_mc_init(struct drm_device *dev)
{
/* Power up everything, resetting each individual unit will
* be done later if needed.
*/
nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
if (nv44_graph_class(dev)) {
u32 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);
}
return 0;
}
void
nv40_mc_takedown(struct drm_device *dev)
{
}