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drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-03-19 12:49:59 +10:00
parent 2eb92c8007
commit 494ab824f1
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/nouveau/nv50_instmem.c
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@ -63,9 +63,10 @@ nv50_instmem_init(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
uint32_t c_offset, c_size, c_ramfc, c_vmpd, c_base, pt_size;
uint32_t save_nv001700;
uint64_t v;
struct nv50_instmem_priv *priv;
int ret, i;
uint32_t v, save_nv001700;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
@ -184,8 +185,8 @@ nv50_instmem_init(struct drm_device *dev)
i = 0;
while (v < dev_priv->vram_sys_base + c_offset + c_size) {
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, v);
BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, 0x00000000);
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, lower_32_bits(v));
BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, upper_32_bits(v));
v += 0x1000;
i += 8;
}