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authorBen Skeggs2010-10-25 07:23:59 +0200
committerBen Skeggs2010-12-03 06:11:47 +0100
commitdc1e5c0dbff27c2b5147eaea16c578d2337870c3 (patch)
tree82b7bd25bd162d5a9bcc5ee0598e697e1ddbd08e /drivers/gpu/drm/nouveau/nv50_instmem.c
parentdrm/nv50: rework PGPIO IRQ handling and hotplug detection (diff)
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drm/nouveau: simplify gpuobj suspend/resume
Reviewed-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_instmem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_instmem.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c
index 2c98eb176d64..1640c12d8b3a 100644
--- a/drivers/gpu/drm/nouveau/nv50_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
@@ -276,16 +276,8 @@ int
nv50_instmem_suspend(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_channel *chan = dev_priv->channels.ptr[0];
- struct nouveau_gpuobj *ramin = chan->ramin;
- int i;
- ramin->im_backing_suspend = vmalloc(ramin->size);
- if (!ramin->im_backing_suspend)
- return -ENOMEM;
-
- for (i = 0; i < ramin->size; i += 4)
- ramin->im_backing_suspend[i/4] = nv_ri32(dev, i);
+ dev_priv->ramin_available = false;
return 0;
}
@@ -295,17 +287,8 @@ nv50_instmem_resume(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv50_instmem_priv *priv = dev_priv->engine.instmem.priv;
struct nouveau_channel *chan = dev_priv->channels.ptr[0];
- struct nouveau_gpuobj *ramin = chan->ramin;
int i;
- dev_priv->ramin_available = false;
- dev_priv->ramin_base = ~0;
- for (i = 0; i < ramin->size; i += 4)
- nv_wo32(ramin, i, ramin->im_backing_suspend[i/4]);
- dev_priv->ramin_available = true;
- vfree(ramin->im_backing_suspend);
- ramin->im_backing_suspend = NULL;
-
/* Poke the relevant regs, and pray it works :) */
nv_wr32(dev, NV50_PUNK_BAR_CFG_BASE, (chan->ramin->vinst >> 12));
nv_wr32(dev, NV50_PUNK_UNK1710, 0);
@@ -318,6 +301,8 @@ nv50_instmem_resume(struct drm_device *dev)
for (i = 0; i < 8; i++)
nv_wr32(dev, 0x1900 + (i*4), 0);
+
+ dev_priv->ramin_available = true;
}
int