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drm/nvc0/fb: detect presense of second rank
author
Ben Skeggs
<bskeggs@redhat.com>
Tue, 31 Jan 2012 23:05:42 +0000
(09:05 +1000)
committer
Ben Skeggs
<bskeggs@redhat.com>
Tue, 13 Mar 2012 07:14:56 +0000
(17:14 +1000)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvc0_vram.c
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diff --git
a/drivers/gpu/drm/nouveau/nvc0_vram.c
b/drivers/gpu/drm/nouveau/nvc0_vram.c
index
fd687ee
..
82b51b2
100644
(file)
--- a/
drivers/gpu/drm/nouveau/nvc0_vram.c
+++ b/
drivers/gpu/drm/nouveau/nvc0_vram.c
@@
-116,6
+116,7
@@
nvc0_vram_init(struct drm_device *dev)
NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);
dev_priv->vram_type = nouveau_mem_vbios_type(dev);
+ dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004);
/* read amount of vram attached to each memory controller */
part = 0;