int
nvkm_ltc_tags_alloc(struct nvkm_ltc *ltc, u32 n, struct nvkm_mm_node **pnode)
{
int ret = nvkm_mm_head(<c->tags, 0, 1, n, n, 1, pnode);
if (ret)
*pnode = NULL;
return ret;
}
static void
nv25_fb_tile_comp(struct nvkm_fb *pfb, int i, u32 size, u32 flags,
struct nvkm_fb_tile *tile)
{
u32 tiles = DIV_ROUND_UP(size, 0x40);
u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
if (!nvkm_mm_head(&pfb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
else tile->zcomp = 0x00200000; /* Z24S8 */
tile->zcomp |= tile->tag->offset;
#ifdef __BIG_ENDIAN
tile->zcomp |= 0x01000000;
#endif
}
}
static int
nvkm_gpuobj_ctor(struct nvkm_device *device, u32 size, int align, bool zero,
struct nvkm_gpuobj *parent, struct nvkm_gpuobj *gpuobj)
{
u32 offset;
int ret;
if (parent) {
if (align >= 0) {
ret = nvkm_mm_head(&parent->heap, 0, 1, size, size,
max(align, 1), &gpuobj->node);
} else {
ret = nvkm_mm_tail(&parent->heap, 0, 1, size, size,
-align, &gpuobj->node);
}
if (ret)
return ret;
gpuobj->parent = parent;
gpuobj->func = &nvkm_gpuobj_func;
gpuobj->addr = parent->addr + gpuobj->node->offset;
gpuobj->size = gpuobj->node->length;
if (zero) {
nvkm_kmap(gpuobj);
for (offset = 0; offset < gpuobj->size; offset += 4)
nvkm_wo32(gpuobj, offset, 0x00000000);
nvkm_done(gpuobj);
}
} else {
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size,
abs(align), zero, &gpuobj->memory);
if (ret)
return ret;
gpuobj->func = &nvkm_gpuobj_heap;
gpuobj->addr = nvkm_memory_addr(gpuobj->memory);
gpuobj->size = nvkm_memory_size(gpuobj->memory);
}
return nvkm_mm_init(&gpuobj->heap, 0, 0, gpuobj->size, 1);
}
