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authorBen Skeggs <bskeggs@redhat.com>2012-02-01 15:17:07 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-03-13 17:14:57 +1000
commit7d3a766b6aa4e293e72bfd6add477f05ac7fdf5a (patch)
tree4ac0175b60a521dc0ca8b669cda633b607fcc05c /drivers/gpu
parent950c44b6ddc0dfb44e59fdb031e09567a1b391c0 (diff)
downloadtalos-obmc-linux-7d3a766b6aa4e293e72bfd6add477f05ac7fdf5a.tar.gz
talos-obmc-linux-7d3a766b6aa4e293e72bfd6add477f05ac7fdf5a.zip
drm/nouveau/pm: init only after display subsystem has been created
This patch fixes an oops cause by pm_trigger accessing the (uninitialised) crtc list. Reported-by: Roy Spliet <r.spliet@student.tudelft.nl> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a36386c00d9b..9d6c3ff22e81 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -632,8 +632,6 @@ nouveau_card_init(struct drm_device *dev)
if (ret)
goto out_ttmvram;
- nouveau_pm_init(dev);
-
if (!dev_priv->noaccel) {
switch (dev_priv->card_type) {
case NV_04:
@@ -738,11 +736,12 @@ nouveau_card_init(struct drm_device *dev)
goto out_irq;
nouveau_backlight_init(dev);
+ nouveau_pm_init(dev);
if (dev_priv->eng[NVOBJ_ENGINE_GR]) {
ret = nouveau_fence_init(dev);
if (ret)
- goto out_disp;
+ goto out_pm;
ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL,
NvDmaFB, NvDmaTT);
@@ -766,7 +765,8 @@ out_chan:
nouveau_channel_put_unlocked(&dev_priv->channel);
out_fence:
nouveau_fence_fini(dev);
-out_disp:
+out_pm:
+ nouveau_pm_fini(dev);
nouveau_backlight_exit(dev);
nouveau_display_destroy(dev);
out_irq:
@@ -783,7 +783,6 @@ out_engine:
dev_priv->eng[e]->destroy(dev,e );
}
}
- nouveau_pm_fini(dev);
nouveau_mem_gart_fini(dev);
out_ttmvram:
nouveau_mem_vram_fini(dev);
@@ -826,6 +825,7 @@ static void nouveau_card_takedown(struct drm_device *dev)
nouveau_fence_fini(dev);
}
+ nouveau_pm_fini(dev);
nouveau_backlight_exit(dev);
nouveau_display_destroy(dev);
@@ -854,8 +854,6 @@ static void nouveau_card_takedown(struct drm_device *dev)
engine->instmem.takedown(dev);
nouveau_gpuobj_takedown(dev);
- nouveau_pm_fini(dev);
-
nouveau_gpio_destroy(dev);
engine->vram.takedown(dev);
engine->fb.takedown(dev);
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