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drm/nvc0-/fb/ram: fix use of non-existant ram if partitions aren't uniform

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Likely a large part of the GK106 woes..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-08-12 09:17:41 +10:00
parent e7d96929a7
commit 3d9e3921f4
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c
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@ -554,13 +554,13 @@ nvc0_ram_create_(struct nouveau_object *parent, struct nouveau_object *engine,
} else {
/* otherwise, address lowest common amount from 0GiB */
ret = nouveau_mm_init(&pfb->vram, rsvd_head,
(bsize << 8) * parts, 1);
(bsize << 8) * parts - rsvd_head, 1);
if (ret)
return ret;
/* and the rest starting from (8GiB + common_size) */
offset = (0x0200000000ULL >> 12) + (bsize << 8);
length = (ram->size >> 12) - (bsize << 8) - rsvd_tail;
length = (ram->size >> 12) - ((bsize * parts) << 8) - rsvd_tail;
ret = nouveau_mm_init(&pfb->vram, offset, length, 0);
if (ret)