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| author | Maarten Maathuis | 2010-02-01 20:58:27 +0100 |
|---|---|---|
| committer | Ben Skeggs | 2010-02-25 06:07:53 +0100 |
| commit | ff9e5279b14dc024599cc705ee199dadb94e90a3 (patch) | |
| tree | 4881498b0c5f0defdc14890783249b0514a8afde /drivers/gpu/drm/nouveau/nouveau_state.c | |
| parent | drm/nv50: fix vram ptes on IGPs to point at stolen system memory (diff) | |
| download | kernel-qcow2-linux-ff9e5279b14dc024599cc705ee199dadb94e90a3.tar.gz kernel-qcow2-linux-ff9e5279b14dc024599cc705ee199dadb94e90a3.tar.xz kernel-qcow2-linux-ff9e5279b14dc024599cc705ee199dadb94e90a3.zip | |
drm/nouveau: protect channel create/destroy and irq handler with a spinlock
The nv50 pgraph handler (for example) could reenable pgraph fifo access
and that would be bad when pgraph context is being unloaded (we need the
guarantee a ctxprog isn't running).
Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index a4851af5b05e..ed5ac0b9a0ac 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -391,6 +391,7 @@ nouveau_card_init(struct drm_device *dev) goto out; engine = &dev_priv->engine; dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED; + spin_lock_init(&dev_priv->context_switch_lock); /* Parse BIOS tables / Run init tables if card not POSTed */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { |