mirror of https://gitee.com/openkylin/linux.git
45 lines
915 B
C
45 lines
915 B
C
#include "drmP.h"
|
|
#include "drm.h"
|
|
#include "nouveau_drv.h"
|
|
#include "nouveau_drm.h"
|
|
|
|
void
|
|
nv10_fb_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
|
|
uint32_t size, uint32_t pitch)
|
|
{
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
uint32_t limit = max(1u, addr + size) - 1;
|
|
|
|
if (pitch) {
|
|
if (dev_priv->card_type >= NV_20)
|
|
addr |= 1;
|
|
else
|
|
addr |= 1 << 31;
|
|
}
|
|
|
|
nv_wr32(dev, NV10_PFB_TLIMIT(i), limit);
|
|
nv_wr32(dev, NV10_PFB_TSIZE(i), pitch);
|
|
nv_wr32(dev, NV10_PFB_TILE(i), addr);
|
|
}
|
|
|
|
int
|
|
nv10_fb_init(struct drm_device *dev)
|
|
{
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
|
|
int i;
|
|
|
|
pfb->num_tiles = NV10_PFB_TILE__SIZE;
|
|
|
|
/* Turn all the tiling regions off. */
|
|
for (i = 0; i < pfb->num_tiles; i++)
|
|
pfb->set_region_tiling(dev, i, 0, 0, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
nv10_fb_takedown(struct drm_device *dev)
|
|
{
|
|
}
|