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authorBen Skeggs <bskeggs@redhat.com>2011-10-31 12:14:10 +1000
committerBen Skeggs <bskeggs@redhat.com>2011-12-21 19:01:29 +1000
commitd2491567cdbcb87b2682e0948a69d73c4dd8987e (patch)
tree2497d3f8c69b6906e6fc003153e72071db10485e /drivers/gpu/drm/nouveau/nv50_pm.c
parent8b5f4d0def9caa16527c95e7a4ba47bb8a4d9e1e (diff)
downloadblackbird-op-linux-d2491567cdbcb87b2682e0948a69d73c4dd8987e.tar.gz
blackbird-op-linux-d2491567cdbcb87b2682e0948a69d73c4dd8987e.zip
drm/nv50/pm: only touch 0x611200 on nv92-
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_pm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_pm.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index 961d8f20d27f..e7ff5acce65f 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -594,8 +594,10 @@ nv50_pm_clocks_set(struct drm_device *dev, void *data)
}
/* disable display */
- nv_wr32(dev, 0x611200, 0x00003300);
- udelay(100);
+ if (dev_priv->chipset >= 0x92) {
+ nv_wr32(dev, 0x611200, 0x00003300);
+ udelay(100);
+ }
/* prepare ram for reclocking */
nv_wr32(dev, 0x1002d4, 0x00000001); /* precharge */
@@ -617,7 +619,8 @@ nv50_pm_clocks_set(struct drm_device *dev, void *data)
udelay(100);
/* re-enable display */
- nv_wr32(dev, 0x611200, 0x00003330);
+ if (dev_priv->chipset >= 0x92)
+ nv_wr32(dev, 0x611200, 0x00003330);
goto resume;
error:
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