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drm/nouveau/ttm: allow tiled memtype on system memory buffer objects

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Compression not supported, and will be silently dropped.  Original G80
can't handle this either and requires LINEAR memtype, though it's still
possible to correctly texture and m2mf to/from these objects anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-03-22 12:12:17 +10:00
parent 7092a8dd5c
commit de7b7d59d5
1 changed files with 16 additions and 0 deletions
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16
drivers/gpu/drm/nouveau/nouveau_ttm.c
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@ -164,6 +164,8 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_placement *placement,
struct ttm_mem_reg *mem)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_mem *node;
if (unlikely((mem->num_pages << PAGE_SHIFT) >= 512 * 1024 * 1024))
@ -174,6 +176,20 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
return -ENOMEM;
node->page_shift = 12;
switch (nv_device(drm->device)->card_type) {
case NV_50:
if (nv_device(drm->device)->chipset != 0x50)
node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
break;
case NV_C0:
case NV_D0:
case NV_E0:
node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
break;
default:
break;
}
mem->mm_node = node;
mem->start = 0;
return 0;